From 0287fa2b8d00da23a90a88dc07ec9dd77f800a2e Mon Sep 17 00:00:00 2001 From: GUNJ JOSHI Date: Sat, 9 Mar 2024 02:10:58 +0530 Subject: [PATCH 01/19] feat: add C implementation for @stdlib/math/base/special/negafibonacci --- .../math/base/special/negafibonacci/README.md | 88 +++++ .../benchmark/benchmark.native.js | 305 ++++++++++++++++++ .../negafibonacci/benchmark/c/native/Makefile | 146 +++++++++ .../benchmark/c/native/benchmark.c | 136 ++++++++ .../base/special/negafibonacci/binding.gyp | 170 ++++++++++ .../special/negafibonacci/examples/c/Makefile | 146 +++++++++ .../negafibonacci/examples/c/example.c | 31 ++ .../base/special/negafibonacci/include.gypi | 53 +++ .../stdlib/math/base/special/negafibonacci.h | 41 +++ .../base/special/negafibonacci/lib/native.js | 69 ++++ .../base/special/negafibonacci/manifest.json | 75 +++++ .../base/special/negafibonacci/src/Makefile | 70 ++++ .../base/special/negafibonacci/src/addon.c | 23 ++ .../base/special/negafibonacci/src/main.c | 121 +++++++ .../special/negafibonacci/test/test.native.js | 96 ++++++ 15 files changed, 1570 insertions(+) create mode 100644 lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/benchmark.native.js create mode 100644 lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/c/native/Makefile create mode 100644 lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/c/native/benchmark.c create mode 100644 lib/node_modules/@stdlib/math/base/special/negafibonacci/binding.gyp create mode 100644 lib/node_modules/@stdlib/math/base/special/negafibonacci/examples/c/Makefile create mode 100644 lib/node_modules/@stdlib/math/base/special/negafibonacci/examples/c/example.c create mode 100644 lib/node_modules/@stdlib/math/base/special/negafibonacci/include.gypi create mode 100644 lib/node_modules/@stdlib/math/base/special/negafibonacci/include/stdlib/math/base/special/negafibonacci.h create mode 100644 lib/node_modules/@stdlib/math/base/special/negafibonacci/lib/native.js create mode 100644 lib/node_modules/@stdlib/math/base/special/negafibonacci/manifest.json create mode 100644 lib/node_modules/@stdlib/math/base/special/negafibonacci/src/Makefile create mode 100644 lib/node_modules/@stdlib/math/base/special/negafibonacci/src/addon.c create mode 100644 lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c create mode 100644 lib/node_modules/@stdlib/math/base/special/negafibonacci/test/test.native.js diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/README.md b/lib/node_modules/@stdlib/math/base/special/negafibonacci/README.md index aa26d77d0a68..efe01ecb2eb5 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/README.md +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/README.md @@ -160,6 +160,94 @@ for ( i = 0; i > -79; i-- ) { + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/math/base/special/negafibonacci.h" +``` + +#### stdlib_base_negafibonacci( n ) + +Computes the nth [negaFibonacci number][fibonacci-number]. + +```c +double out = stdlib_base_negafibonacci( 0 ); +// returns 0 + +out = stdlib_base_fibonacci( -1 ); +// returns 1 +``` + +The function accepts the following arguments: + +- **n**: `[in] int32_t` input value. + +```c +double stdlib_base_negafibonacci( const int32_t n ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/math/base/special/negafibonacci.h" +#include +#include + +int main( void ) { + int32_t i; + double v; + + for ( i = 0; i < 79; i++ ) { + v = stdlib_base_negafibonacci( i ); + printf( "negafibonacci(%d) = %lf\n", i, v ); + } +} +``` + +
+ + + +
+ + +
diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/benchmark.native.js new file mode 100644 index 000000000000..687914b04212 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/benchmark.native.js @@ -0,0 +1,305 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var bench = require( '@stdlib/bench' ); +var randu = require( '@stdlib/random/base/randu' ); +var floor = require( '@stdlib/math/base/special/floor' ); +var round = require( '@stdlib/math/base/special/round' ); +var sqrt = require( '@stdlib/math/base/special/sqrt' ); +var pow = require( '@stdlib/math/base/special/pow' ); +var abs = require( '@stdlib/math/base/special/abs' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var PHI = require( '@stdlib/constants/float64/phi' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var pkg = require( './../package.json' ).name; +var NEGAFIBONACCI = require( './../lib/negafibonacci.json' ); + + +// VARIABLES // + +var SQRT_5 = sqrt( 5.0 ); +var negafibonacci = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( negafibonacci instanceof Error ) +}; + + +// MAIN // + +bench( pkg, opts, function benchmark( b ) { + var x; + var y; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + x = -floor( randu() * 79.0 ); + y = negafibonacci( x ); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); + +bench( pkg+'::analytic', opts, function benchmark( b ) { + var x; + var y; + var i; + + function negafibonacci( n ) { + var an = abs( n ); + return pow( -1.0, an + 1 ) * round( pow( PHI, an ) / SQRT_5 ); + } + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + x = -floor( randu() * 79.0 ); + y = negafibonacci( x ); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); + +bench( pkg+'::table', opts, function benchmark( b ) { + var x; + var y; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + x = -floor( randu() * 79.0 ); + y = NEGAFIBONACCI[ abs( x ) ]; + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); + +bench( pkg+'::naive_recursion', opts, function benchmark( b ) { + var x; + var y; + var i; + + function negafibonacci( n ) { + if ( n === 0 ) { + return n; + } + if ( n === -1 ) { + return 1; + } + return negafibonacci( n + 2 ) - negafibonacci( n + 1 ); + } + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + x = -floor( randu() * 40.0 ); // limit lower bound + y = negafibonacci( x ); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); + +bench( pkg+'::recursion_memoized', opts, function benchmark( b ) { + var arr; + var N; + var x; + var y; + var i; + + arr = new Array( 79 ); + arr[ 0 ] = 0; + arr[ 1 ] = 1; + arr[ 2 ] = -1; + N = 2; + + function negafibonacci( n ) { + var an = abs( n ); + if ( an <= N ) { + return arr[ an ]; + } + arr[ an ] = negafibonacci( n + 2 ) - negafibonacci( n + 1 ); + return arr[ an ]; + } + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + x = -floor( randu() * 40.0 ); // limit lower bound + y = negafibonacci( x ); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); + +bench( pkg+'::naive_iterative', opts, function benchmark( b ) { + var x; + var y; + var i; + + function negafibonacci( n ) { + var arr; + var an; + var i; + + an = abs( n ); + + arr = new Array( an + 1 ); + arr[ 0 ] = 0; + arr[ 1 ] = 1; + arr[ 2 ] = -1; + for ( i = 3; i <= an; i++ ) { + arr[ i ] = arr[ i - 2 ] - arr[ i - 1 ]; + } + return arr[ an ]; + } + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + x = -floor( randu() * 79.0 ); + y = negafibonacci( x ); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); + +bench( pkg+'::iterative', opts, function benchmark( b ) { + var x; + var y; + var i; + + function negafibonacci( n ) { + var an; + var a; + var b; + var c; + var i; + + an = abs( n ); + + a = 1; + b = -1; + for ( i = 3; i <= an; i++ ) { + c = a - b; + a = b; + b = c; + } + return b; + } + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + x = -floor( randu() * 79.0 ); + y = negafibonacci( x ); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); + +bench( pkg+'::iterative_memoized', opts, function benchmark( b ) { + var arr; + var N; + var x; + var y; + var i; + + arr = new Array( 79 ); + arr[ 0 ] = 0; + arr[ 1 ] = 1; + arr[ 2 ] = -1; + N = 2; + + function negafibonacci( n ) { + var an; + var i; + + an = abs( n ); + if ( an > N ) { + for ( i = N; i <= an; i++ ) { + arr[ i ] = arr[ i - 2 ] - arr[ i - 1 ]; + } + N = an; + } + return arr[ an ]; + } + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + x = -floor( randu() * 79.0 ); + y = negafibonacci( x ); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/c/native/Makefile b/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/c/native/Makefile new file mode 100644 index 000000000000..f69e9da2b4d3 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/c/native/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2024 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := benchmark.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled benchmarks. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/c/native/benchmark.c b/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/c/native/benchmark.c new file mode 100644 index 000000000000..08a0e5fec88e --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/c/native/benchmark.c @@ -0,0 +1,136 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +/** +* Benchmark `negafibonacci`. +*/ +#include "stdlib/math/base/special/negafibonacci.h" +#include +#include +#include +#include +#include + +#define NAME "negafibonacci" +#define ITERATIONS 100 +#define REPEATS 3 + +/** +* Prints the TAP version. +*/ +void print_version() { + printf( "TAP version 13\n" ); +} + +/** +* Prints the TAP summary. +* +* @param total total number of tests +* @param passing total number of passing tests +*/ +void print_summary( int total, int passing ) { + printf( "#\n" ); + printf( "1..%d\n", total ); // TAP plan + printf( "# total %d\n", total ); + printf( "# pass %d\n", passing ); + printf( "#\n" ); + printf( "# ok\n" ); +} + +/** +* Prints benchmarks results. +* +* @param elapsed elapsed time in seconds +*/ +void print_results( double elapsed ) { + double rate = (double)ITERATIONS / elapsed; + printf( " ---\n" ); + printf( " iterations: %d\n", ITERATIONS ); + printf( " elapsed: %0.9f\n", elapsed ); + printf( " rate: %0.9f\n", rate ); + printf( " ...\n" ); +} + +/** +* Returns a clock time. +* +* @return clock time +*/ +double tic() { + struct timeval now; + gettimeofday( &now, NULL ); + return (double)now.tv_sec + (double)now.tv_usec / 1.0e6; +} + +/** +* Generates a random number on the interval [0,1]. +* +* @return random number +*/ +double rand_double() { + int r = rand(); + return (double)r / ( (double)RAND_MAX + 1.0 ); +} + +/** +* Runs a benchmark. +* +* @return elapsed time in seconds +*/ +double benchmark() { + double elapsed; + int32_t x; + double t; + double y; + int i; + + t = tic(); + for ( i = 0; i < ITERATIONS; i++ ) { + x = (int32_t)floor( 40.0 * rand_double() ); + y = stdlib_base_negafibonacci( -x ); + if ( y == 7 ) { + printf( "should not return 7\n" ); + break; + } + } + elapsed = tic() - t; + if ( y == 7 ) { + printf( "should not return 7\n" ); + } + return elapsed; +} + +/** +* Main execution sequence. +*/ +int main( void ) { + double elapsed; + int i; + + // Use the current time to seed the random number generator: + srand( time( NULL ) ); + + print_version(); + for ( i = 0; i < REPEATS; i++ ) { + printf( "# c::native::%s\n", NAME ); + elapsed = benchmark(); + print_results( elapsed ); + printf( "ok %d benchmark finished\n", i+1 ); + } + print_summary( REPEATS, REPEATS ); +} diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/binding.gyp b/lib/node_modules/@stdlib/math/base/special/negafibonacci/binding.gyp new file mode 100644 index 000000000000..ec3992233442 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/binding.gyp @@ -0,0 +1,170 @@ +# @license Apache-2.0 +# +# Copyright (c) 2024 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A `.gyp` file for building a Node.js native add-on. +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # List of files to include in this file: + 'includes': [ + './include.gypi', + ], + + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Target name should match the add-on export name: + 'addon_target_name%': 'addon', + + # Set variables based on the host OS: + 'conditions': [ + [ + 'OS=="win"', + { + # Define the object file suffix: + 'obj': 'obj', + }, + { + # Define the object file suffix: + 'obj': 'o', + } + ], # end condition (OS=="win") + ], # end conditions + }, # end variables + + # Define compile targets: + 'targets': [ + + # Target to generate an add-on: + { + # The target name should match the add-on export name: + 'target_name': '<(addon_target_name)', + + # Define dependencies: + 'dependencies': [], + + # Define directories which contain relevant include headers: + 'include_dirs': [ + # Local include directory: + '<@(include_dirs)', + ], + + # List of source files: + 'sources': [ + '<@(src_files)', + ], + + # Settings which should be applied when a target's object files are used as linker input: + 'link_settings': { + # Define libraries: + 'libraries': [ + '<@(libraries)', + ], + + # Define library directories: + 'library_dirs': [ + '<@(library_dirs)', + ], + }, + + # C/C++ compiler flags: + 'cflags': [ + # Enable commonly used warning options: + '-Wall', + + # Aggressive optimization: + '-O3', + ], + + # C specific compiler flags: + 'cflags_c': [ + # Specify the C standard to which a program is expected to conform: + '-std=c99', + ], + + # C++ specific compiler flags: + 'cflags_cpp': [ + # Specify the C++ standard to which a program is expected to conform: + '-std=c++11', + ], + + # Linker flags: + 'ldflags': [], + + # Apply conditions based on the host OS: + 'conditions': [ + [ + 'OS=="mac"', + { + # Linker flags: + 'ldflags': [ + '-undefined dynamic_lookup', + '-Wl,-no-pie', + '-Wl,-search_paths_first', + ], + }, + ], # end condition (OS=="mac") + [ + 'OS!="win"', + { + # C/C++ flags: + 'cflags': [ + # Generate platform-independent code: + '-fPIC', + ], + }, + ], # end condition (OS!="win") + ], # end conditions + }, # end target <(addon_target_name) + + # Target to copy a generated add-on to a standard location: + { + 'target_name': 'copy_addon', + + # Declare that the output of this target is not linked: + 'type': 'none', + + # Define dependencies: + 'dependencies': [ + # Require that the add-on be generated before building this target: + '<(addon_target_name)', + ], + + # Define a list of actions: + 'actions': [ + { + 'action_name': 'copy_addon', + 'message': 'Copying addon...', + + # Explicitly list the inputs in the command-line invocation below: + 'inputs': [], + + # Declare the expected outputs: + 'outputs': [ + '<(addon_output_dir)/<(addon_target_name).node', + ], + + # Define the command-line invocation: + 'action': [ + 'cp', + '<(PRODUCT_DIR)/<(addon_target_name).node', + '<(addon_output_dir)/<(addon_target_name).node', + ], + }, + ], # end actions + }, # end target copy_addon + ], # end targets +} diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/examples/c/Makefile b/lib/node_modules/@stdlib/math/base/special/negafibonacci/examples/c/Makefile new file mode 100644 index 000000000000..6aed70daf167 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/examples/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2024 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := example.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled examples. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/examples/c/example.c b/lib/node_modules/@stdlib/math/base/special/negafibonacci/examples/c/example.c new file mode 100644 index 000000000000..38964720516d --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/examples/c/example.c @@ -0,0 +1,31 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/math/base/special/negafibonacci.h" +#include +#include + +int main( void ) { + int32_t i; + double v; + + for ( i = 0; i < 79; i++ ) { + v = stdlib_base_negafibonacci( i ); + printf( "negafibonacci(%d) = %lf\n", i, v ); + } +} diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/include.gypi b/lib/node_modules/@stdlib/math/base/special/negafibonacci/include.gypi new file mode 100644 index 000000000000..575cb043c0bf --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/include.gypi @@ -0,0 +1,53 @@ +# @license Apache-2.0 +# +# Copyright (c) 2024 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A GYP include file for building a Node.js native add-on. +# +# Main documentation: +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Source directory: + 'src_dir': './src', + + # Include directories: + 'include_dirs': [ + ' + +/* +* If C++, prevent name mangling so that the compiler emits a binary file having undecorated names, thus mirroring the behavior of a C compiler. +*/ +#ifdef __cplusplus +extern "C" +{ +#endif + +/** +* Computes the nth negaFibonacci number. +*/ +double stdlib_base_negafibonacci(const int32_t n); + +#ifdef __cplusplus +} +#endif + +#endif // !STDLIB_MATH_BASE_SPECIAL_NEGAFIBONACCI_H diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/lib/native.js b/lib/node_modules/@stdlib/math/base/special/negafibonacci/lib/native.js new file mode 100644 index 000000000000..709d80e665c2 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/lib/native.js @@ -0,0 +1,69 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var addon = require( './../src/addon.node' ); + + +// MAIN // + +/** +* Computes the nth negaFibonacci number. +* +* @param {integer} n - the negaFibonacci number to compute +* @returns {integer} negaFibonacci number +* +* @example +* var y = negafibonacci( 0 ); +* // returns 0 +* +* @example +* var y = negafibonacci( -1 ); +* // returns 1 +* +* @example +* var y = negafibonacci( -2 ); +* // returns -1 +* +* @example +* var y = negafibonacci( -3 ); +* // returns 2 +* +* @example +* var y = negafibonacci( -4 ); +* // returns -3 +* +* @example +* var y = negafibonacci( -5 ); +* // returns 5 +* +* @example +* var y = negafibonacci( -6 ); +* // returns -8 +*/ +function negafibonacci( n ) { + return addon( n ); +} + + +// EXPORTS // + +module.exports = negafibonacci; diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/manifest.json b/lib/node_modules/@stdlib/math/base/special/negafibonacci/manifest.json new file mode 100644 index 000000000000..1491cf516942 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/manifest.json @@ -0,0 +1,75 @@ +{ + "options": { + "task": "build" + }, + "fields": [ + { + "field": "src", + "resolve": true, + "relative": true + }, + { + "field": "include", + "resolve": true, + "relative": true + }, + { + "field": "libraries", + "resolve": false, + "relative": false + }, + { + "field": "libpath", + "resolve": true, + "relative": false + } + ], + "confs": [ + { + "task": "build", + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/math/base/napi/unary", + "@stdlib/constants/float64/max-safe-nth-fibonacci", + "@stdlib/math/base/special/labs" + ] + }, + { + "task": "benchmark", + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/constants/float64/max-safe-nth-fibonacci", + "@stdlib/math/base/special/labs" + ] + }, + { + "task": "examples", + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/constants/float64/max-safe-nth-fibonacci", + "@stdlib/math/base/special/labs" + ] + } + ] +} diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/Makefile b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/Makefile new file mode 100644 index 000000000000..bcf18aa46655 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/Makefile @@ -0,0 +1,70 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2024 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + + +# RULES # + +#/ +# Removes generated files for building an add-on. +# +# @example +# make clean-addon +#/ +clean-addon: + $(QUIET) -rm -f *.o *.node + +.PHONY: clean-addon + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: clean-addon + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/addon.c b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/addon.c new file mode 100644 index 000000000000..0f911f6fea3c --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/addon.c @@ -0,0 +1,23 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/math/base/special/negafibonacci.h" +#include "stdlib/math/base/napi/unary.h" + +// cppcheck-suppress shadowFunction +STDLIB_MATH_BASE_NAPI_MODULE_I_D( stdlib_base_negafibonacci ) diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c new file mode 100644 index 000000000000..1f03d7d74a76 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c @@ -0,0 +1,121 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/math/base/special/negafibonacci.h" +#include "stdlib/math/base/special/labs.h" +#include "stdlib/constants/float64/max_safe_nth_fibonacci.h" + +static const int64_t negafibonacci_value[ 79 ] = { + 0, + 1, + -1, + 2, + -3, + 5, + -8, + 13, + -21, + 34, + -55, + 89, + -144, + 233, + -377, + 610, + -987, + 1597, + -2584, + 4181, + -6765, + 10946, + -17711, + 28657, + -46368, + 75025, + -121393, + 196418, + -317811, + 514229, + -832040, + 1346269, + -2178309, + 3524578, + -5702887, + 9227465, + -14930352, + 24157817, + -39088169, + 63245986, + -102334155, + 165580141, + -267914296, + 433494437, + -701408733, + 1134903170, + -1836311903, + 2971215073, + -4807526976, + 7778742049, + -12586269025, + 20365011074, + -32951280099, + 53316291173, + -86267571272, + 139583862445, + -225851433717, + 365435296162, + -591286729879, + 956722026041, + -1548008755920, + 2504730781961, + -4052739537881, + 6557470319842, + -10610209857723, + 17167680177565, + -27777890035288, + 44945570212853, + -72723460248141, + 117669030460994, + -190392490709135, + 308061521170129, + -498454011879264, + 806515533049393, + -1304969544928657, + 2111485077978050, + -3416454622906707, + 5527939700884757, + -8944394323791464 +}; + +/** +* Computes the nth negaFibonacci number. +* +* @param n input value +* @return output value +* +* @example +* double out = stdlib_base_negafibonacci( 1 ); +* // returns 1 +*/ +double stdlib_base_negafibonacci( const int32_t n ) { + int32_t an = stdlib_base_labs( n ); + if ( n > 0 || an > STDLIB_CONSTANT_FLOAT64_MAX_SAFE_NTH_FIBONACCI ) { + return 0.0 / 0.0; // NaN + } + return negafibonacci_value[ an ]; +} diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/negafibonacci/test/test.native.js new file mode 100644 index 000000000000..a1496e0f4200 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/test/test.native.js @@ -0,0 +1,96 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2024 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var tape = require( 'tape' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var pow = require( '@stdlib/math/base/special/pow' ); +var abs = require( '@stdlib/math/base/special/abs' ); +var fibonacci = require( '@stdlib/math/base/special/fibonacci' ); +var tryRequire = require( '@stdlib/utils/try-require' ); + + +// VARIABLES // + +var negafibonacci = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( negafibonacci instanceof Error ) +}; + + +// FIXTURES // + +var NEGAFIBONACCI = require( './../lib/negafibonacci.json' ); + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof negafibonacci, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'if provided a positive number, the function returns `NaN`', opts, function test( t ) { + var v; + var i; + + t.strictEqual( isnan( negafibonacci( 3.14 ) ), true, 'returns NaN' ); + + for ( i = 1; i < 100; i++ ) { + v = negafibonacci( i ); + t.strictEqual( isnan( v ), true, 'returns NaN when provided ' + i ); + } + t.end(); +}); + +tape( 'the function returns the nth negaFibonacci number', opts, function test( t ) { + var v; + var i; + for ( i = 0; i > -79; i-- ) { + v = negafibonacci( i ); + t.strictEqual( v, NEGAFIBONACCI[ abs(i) ], 'returns the '+i+'th negaFibonacci number' ); + } + t.end(); +}); + +tape( 'the function returns the nth negaFibonacci number (Fibonacci relationship)', opts, function test( t ) { + var v; + var f; + var i; + for ( i = 0; i > -79; i-- ) { + v = negafibonacci( i ); + f = pow( -1.0, abs(i) + 1 ) * fibonacci( abs(i) ); + t.strictEqual( v, f, 'returns the '+i+'th negaFibonacci number' ); + } + t.end(); +}); + +tape( 'if provided nonpositive integers less than `-78`, the function returns `NaN`', opts, function test( t ) { + var i; + var v; + for ( i = -79; i > -500; i-- ) { + v = negafibonacci( i ); + t.strictEqual( isnan( v ), true, 'returns NaN when provided ' + i ); + } + t.end(); +}); From 2ab05fed98c9bd3bf98797849a9fed70bdecd2fa Mon Sep 17 00:00:00 2001 From: GUNJ JOSHI Date: Sun, 10 Mar 2024 10:04:46 +0530 Subject: [PATCH 02/19] feat: added C implementation for @stdlib/math/base/special/negafibonacci --- .../@stdlib/math/base/special/negafibonacci/README.md | 2 +- .../special/negafibonacci/benchmark/c/native/benchmark.c | 2 +- .../math/base/special/negafibonacci/examples/c/example.c | 2 +- .../include/stdlib/math/base/special/negafibonacci.h | 5 ++--- .../@stdlib/math/base/special/negafibonacci/lib/native.js | 3 ++- .../@stdlib/math/base/special/negafibonacci/manifest.json | 6 +++--- .../@stdlib/math/base/special/negafibonacci/src/main.c | 6 +++--- 7 files changed, 13 insertions(+), 13 deletions(-) diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/README.md b/lib/node_modules/@stdlib/math/base/special/negafibonacci/README.md index efe01ecb2eb5..a4c70ce42dec 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/README.md +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/README.md @@ -233,7 +233,7 @@ int main( void ) { int32_t i; double v; - for ( i = 0; i < 79; i++ ) { + for ( i = 0; i > -79; i-- ) { v = stdlib_base_negafibonacci( i ); printf( "negafibonacci(%d) = %lf\n", i, v ); } diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/c/native/benchmark.c b/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/c/native/benchmark.c index 08a0e5fec88e..cd0c38cbeee8 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/c/native/benchmark.c +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/c/native/benchmark.c @@ -130,7 +130,7 @@ int main( void ) { printf( "# c::native::%s\n", NAME ); elapsed = benchmark(); print_results( elapsed ); - printf( "ok %d benchmark finished\n", i+1 ); + printf( "ok %d benchmark finished\n", i + 1 ); } print_summary( REPEATS, REPEATS ); } diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/examples/c/example.c b/lib/node_modules/@stdlib/math/base/special/negafibonacci/examples/c/example.c index 38964720516d..83b72f73c155 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/examples/c/example.c +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/examples/c/example.c @@ -24,7 +24,7 @@ int main( void ) { int32_t i; double v; - for ( i = 0; i < 79; i++ ) { + for ( i = 0; i > -79; i-- ) { v = stdlib_base_negafibonacci( i ); printf( "negafibonacci(%d) = %lf\n", i, v ); } diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/include/stdlib/math/base/special/negafibonacci.h b/lib/node_modules/@stdlib/math/base/special/negafibonacci/include/stdlib/math/base/special/negafibonacci.h index b8d730552346..808270fcf29e 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/include/stdlib/math/base/special/negafibonacci.h +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/include/stdlib/math/base/special/negafibonacci.h @@ -25,14 +25,13 @@ * If C++, prevent name mangling so that the compiler emits a binary file having undecorated names, thus mirroring the behavior of a C compiler. */ #ifdef __cplusplus -extern "C" -{ +extern "C" { #endif /** * Computes the nth negaFibonacci number. */ -double stdlib_base_negafibonacci(const int32_t n); +double stdlib_base_negafibonacci( const int32_t n ); #ifdef __cplusplus } diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/lib/native.js b/lib/node_modules/@stdlib/math/base/special/negafibonacci/lib/native.js index 709d80e665c2..54a03a9e48d6 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/lib/native.js +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/lib/native.js @@ -28,7 +28,8 @@ var addon = require( './../src/addon.node' ); /** * Computes the nth negaFibonacci number. * -* @param {integer} n - the negaFibonacci number to compute +* @private +* @param {NonPositiveInteger} n - the negaFibonacci number to compute * @returns {integer} negaFibonacci number * * @example diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/manifest.json b/lib/node_modules/@stdlib/math/base/special/negafibonacci/manifest.json index 1491cf516942..6b0a4d3c509d 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/manifest.json +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/manifest.json @@ -38,7 +38,7 @@ "dependencies": [ "@stdlib/math/base/napi/unary", "@stdlib/constants/float64/max-safe-nth-fibonacci", - "@stdlib/math/base/special/labs" + "@stdlib/math/base/special/abs" ] }, { @@ -53,7 +53,7 @@ "libpath": [], "dependencies": [ "@stdlib/constants/float64/max-safe-nth-fibonacci", - "@stdlib/math/base/special/labs" + "@stdlib/math/base/special/abs" ] }, { @@ -68,7 +68,7 @@ "libpath": [], "dependencies": [ "@stdlib/constants/float64/max-safe-nth-fibonacci", - "@stdlib/math/base/special/labs" + "@stdlib/math/base/special/abs" ] } ] diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c index 1f03d7d74a76..9e3f161cce02 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c @@ -17,7 +17,7 @@ */ #include "stdlib/math/base/special/negafibonacci.h" -#include "stdlib/math/base/special/labs.h" +#include "stdlib/math/base/special/abs.h" #include "stdlib/constants/float64/max_safe_nth_fibonacci.h" static const int64_t negafibonacci_value[ 79 ] = { @@ -106,14 +106,14 @@ static const int64_t negafibonacci_value[ 79 ] = { * Computes the nth negaFibonacci number. * * @param n input value -* @return output value +* @return output value * * @example * double out = stdlib_base_negafibonacci( 1 ); * // returns 1 */ double stdlib_base_negafibonacci( const int32_t n ) { - int32_t an = stdlib_base_labs( n ); + int32_t an = stdlib_base_abs( n ); if ( n > 0 || an > STDLIB_CONSTANT_FLOAT64_MAX_SAFE_NTH_FIBONACCI ) { return 0.0 / 0.0; // NaN } From d0ac8e6a2f5bff2d9e9ec47b9305f98fbfb1baf1 Mon Sep 17 00:00:00 2001 From: GUNJ JOSHI Date: Sun, 10 Mar 2024 18:37:58 +0530 Subject: [PATCH 03/19] Update lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/benchmark.native.js Co-authored-by: Pranav <85227306+Pranavchiku@users.noreply.github.com> Signed-off-by: GUNJ JOSHI --- .../base/special/negafibonacci/benchmark/benchmark.native.js | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/benchmark.native.js index 687914b04212..22a98595422b 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/benchmark.native.js @@ -46,7 +46,7 @@ var opts = { // MAIN // -bench( pkg, opts, function benchmark( b ) { +bench( pkg+'::native', opts, function benchmark( b ) { var x; var y; var i; From eb59bfb77068a2451710df3229129f8d32a2ff0a Mon Sep 17 00:00:00 2001 From: GUNJ JOSHI Date: Sun, 10 Mar 2024 18:39:00 +0530 Subject: [PATCH 04/19] Update lib/node_modules/@stdlib/math/base/special/negafibonacci/lib/native.js Co-authored-by: Pranav <85227306+Pranavchiku@users.noreply.github.com> Signed-off-by: GUNJ JOSHI --- .../@stdlib/math/base/special/negafibonacci/lib/native.js | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/lib/native.js b/lib/node_modules/@stdlib/math/base/special/negafibonacci/lib/native.js index 54a03a9e48d6..651f34313359 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/lib/native.js +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/lib/native.js @@ -59,6 +59,14 @@ var addon = require( './../src/addon.node' ); * @example * var y = negafibonacci( -6 ); * // returns -8 +* +* @example +* var y = negafibonacci( NaN ); +* // returns NaN +* +* @example +* var y = negafibonacci( -3.14 ); +* // returns NaN */ function negafibonacci( n ) { return addon( n ); From ae0600892b90888af15c62fbf0b465d183b33e30 Mon Sep 17 00:00:00 2001 From: GUNJ JOSHI Date: Sun, 10 Mar 2024 18:39:31 +0530 Subject: [PATCH 05/19] Update lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c Co-authored-by: Pranav <85227306+Pranavchiku@users.noreply.github.com> Signed-off-by: GUNJ JOSHI --- .../@stdlib/math/base/special/negafibonacci/src/main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c index 9e3f161cce02..83672f821677 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c @@ -113,7 +113,8 @@ static const int64_t negafibonacci_value[ 79 ] = { * // returns 1 */ double stdlib_base_negafibonacci( const int32_t n ) { - int32_t an = stdlib_base_abs( n ); + int32_t an; + an = stdlib_base_abs( n ); if ( n > 0 || an > STDLIB_CONSTANT_FLOAT64_MAX_SAFE_NTH_FIBONACCI ) { return 0.0 / 0.0; // NaN } From aaa3a7ba4936dd3a25b97f2a158fe000e408bc86 Mon Sep 17 00:00:00 2001 From: GUNJ JOSHI Date: Sun, 10 Mar 2024 18:41:23 +0530 Subject: [PATCH 06/19] Update benchmark.native.js Signed-off-by: GUNJ JOSHI --- .../benchmark/benchmark.native.js | 237 ------------------ 1 file changed, 237 deletions(-) diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/benchmark.native.js index 22a98595422b..bc57cb7eafd7 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/benchmark.native.js @@ -66,240 +66,3 @@ bench( pkg+'::native', opts, function benchmark( b ) { b.pass( 'benchmark finished' ); b.end(); }); - -bench( pkg+'::analytic', opts, function benchmark( b ) { - var x; - var y; - var i; - - function negafibonacci( n ) { - var an = abs( n ); - return pow( -1.0, an + 1 ) * round( pow( PHI, an ) / SQRT_5 ); - } - - b.tic(); - for ( i = 0; i < b.iterations; i++ ) { - x = -floor( randu() * 79.0 ); - y = negafibonacci( x ); - if ( isnan( y ) ) { - b.fail( 'should not return NaN' ); - } - } - b.toc(); - if ( isnan( y ) ) { - b.fail( 'should not return NaN' ); - } - b.pass( 'benchmark finished' ); - b.end(); -}); - -bench( pkg+'::table', opts, function benchmark( b ) { - var x; - var y; - var i; - - b.tic(); - for ( i = 0; i < b.iterations; i++ ) { - x = -floor( randu() * 79.0 ); - y = NEGAFIBONACCI[ abs( x ) ]; - if ( isnan( y ) ) { - b.fail( 'should not return NaN' ); - } - } - b.toc(); - if ( isnan( y ) ) { - b.fail( 'should not return NaN' ); - } - b.pass( 'benchmark finished' ); - b.end(); -}); - -bench( pkg+'::naive_recursion', opts, function benchmark( b ) { - var x; - var y; - var i; - - function negafibonacci( n ) { - if ( n === 0 ) { - return n; - } - if ( n === -1 ) { - return 1; - } - return negafibonacci( n + 2 ) - negafibonacci( n + 1 ); - } - - b.tic(); - for ( i = 0; i < b.iterations; i++ ) { - x = -floor( randu() * 40.0 ); // limit lower bound - y = negafibonacci( x ); - if ( isnan( y ) ) { - b.fail( 'should not return NaN' ); - } - } - b.toc(); - if ( isnan( y ) ) { - b.fail( 'should not return NaN' ); - } - b.pass( 'benchmark finished' ); - b.end(); -}); - -bench( pkg+'::recursion_memoized', opts, function benchmark( b ) { - var arr; - var N; - var x; - var y; - var i; - - arr = new Array( 79 ); - arr[ 0 ] = 0; - arr[ 1 ] = 1; - arr[ 2 ] = -1; - N = 2; - - function negafibonacci( n ) { - var an = abs( n ); - if ( an <= N ) { - return arr[ an ]; - } - arr[ an ] = negafibonacci( n + 2 ) - negafibonacci( n + 1 ); - return arr[ an ]; - } - - b.tic(); - for ( i = 0; i < b.iterations; i++ ) { - x = -floor( randu() * 40.0 ); // limit lower bound - y = negafibonacci( x ); - if ( isnan( y ) ) { - b.fail( 'should not return NaN' ); - } - } - b.toc(); - if ( isnan( y ) ) { - b.fail( 'should not return NaN' ); - } - b.pass( 'benchmark finished' ); - b.end(); -}); - -bench( pkg+'::naive_iterative', opts, function benchmark( b ) { - var x; - var y; - var i; - - function negafibonacci( n ) { - var arr; - var an; - var i; - - an = abs( n ); - - arr = new Array( an + 1 ); - arr[ 0 ] = 0; - arr[ 1 ] = 1; - arr[ 2 ] = -1; - for ( i = 3; i <= an; i++ ) { - arr[ i ] = arr[ i - 2 ] - arr[ i - 1 ]; - } - return arr[ an ]; - } - - b.tic(); - for ( i = 0; i < b.iterations; i++ ) { - x = -floor( randu() * 79.0 ); - y = negafibonacci( x ); - if ( isnan( y ) ) { - b.fail( 'should not return NaN' ); - } - } - b.toc(); - if ( isnan( y ) ) { - b.fail( 'should not return NaN' ); - } - b.pass( 'benchmark finished' ); - b.end(); -}); - -bench( pkg+'::iterative', opts, function benchmark( b ) { - var x; - var y; - var i; - - function negafibonacci( n ) { - var an; - var a; - var b; - var c; - var i; - - an = abs( n ); - - a = 1; - b = -1; - for ( i = 3; i <= an; i++ ) { - c = a - b; - a = b; - b = c; - } - return b; - } - - b.tic(); - for ( i = 0; i < b.iterations; i++ ) { - x = -floor( randu() * 79.0 ); - y = negafibonacci( x ); - if ( isnan( y ) ) { - b.fail( 'should not return NaN' ); - } - } - b.toc(); - if ( isnan( y ) ) { - b.fail( 'should not return NaN' ); - } - b.pass( 'benchmark finished' ); - b.end(); -}); - -bench( pkg+'::iterative_memoized', opts, function benchmark( b ) { - var arr; - var N; - var x; - var y; - var i; - - arr = new Array( 79 ); - arr[ 0 ] = 0; - arr[ 1 ] = 1; - arr[ 2 ] = -1; - N = 2; - - function negafibonacci( n ) { - var an; - var i; - - an = abs( n ); - if ( an > N ) { - for ( i = N; i <= an; i++ ) { - arr[ i ] = arr[ i - 2 ] - arr[ i - 1 ]; - } - N = an; - } - return arr[ an ]; - } - - b.tic(); - for ( i = 0; i < b.iterations; i++ ) { - x = -floor( randu() * 79.0 ); - y = negafibonacci( x ); - if ( isnan( y ) ) { - b.fail( 'should not return NaN' ); - } - } - b.toc(); - if ( isnan( y ) ) { - b.fail( 'should not return NaN' ); - } - b.pass( 'benchmark finished' ); - b.end(); -}); From 127096d149ee76836852d8faa9b697c069ce4f4f Mon Sep 17 00:00:00 2001 From: GUNJ JOSHI Date: Sun, 10 Mar 2024 18:47:31 +0530 Subject: [PATCH 07/19] Update benchmark.native.js Signed-off-by: GUNJ JOSHI --- .../special/negafibonacci/benchmark/benchmark.native.js | 6 ------ 1 file changed, 6 deletions(-) diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/benchmark.native.js index bc57cb7eafd7..3f9202fbfb26 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/benchmark.native.js @@ -24,20 +24,14 @@ var resolve = require( 'path' ).resolve; var bench = require( '@stdlib/bench' ); var randu = require( '@stdlib/random/base/randu' ); var floor = require( '@stdlib/math/base/special/floor' ); -var round = require( '@stdlib/math/base/special/round' ); var sqrt = require( '@stdlib/math/base/special/sqrt' ); -var pow = require( '@stdlib/math/base/special/pow' ); -var abs = require( '@stdlib/math/base/special/abs' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); -var PHI = require( '@stdlib/constants/float64/phi' ); var tryRequire = require( '@stdlib/utils/try-require' ); var pkg = require( './../package.json' ).name; -var NEGAFIBONACCI = require( './../lib/negafibonacci.json' ); // VARIABLES // -var SQRT_5 = sqrt( 5.0 ); var negafibonacci = tryRequire( resolve( __dirname, './../lib/native.js' ) ); var opts = { 'skip': ( negafibonacci instanceof Error ) From b608dd70a38bb70a376ed3159dac1a7cccf98767 Mon Sep 17 00:00:00 2001 From: GUNJ JOSHI Date: Sun, 10 Mar 2024 18:53:47 +0530 Subject: [PATCH 08/19] Update benchmark.native.js Signed-off-by: GUNJ JOSHI --- .../base/special/negafibonacci/benchmark/benchmark.native.js | 1 - 1 file changed, 1 deletion(-) diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/benchmark.native.js index 3f9202fbfb26..ca39f1962421 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/benchmark.native.js @@ -24,7 +24,6 @@ var resolve = require( 'path' ).resolve; var bench = require( '@stdlib/bench' ); var randu = require( '@stdlib/random/base/randu' ); var floor = require( '@stdlib/math/base/special/floor' ); -var sqrt = require( '@stdlib/math/base/special/sqrt' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var tryRequire = require( '@stdlib/utils/try-require' ); var pkg = require( './../package.json' ).name; From cc9f3c13d4b9871910085a5b494f3f96987462b4 Mon Sep 17 00:00:00 2001 From: GUNJ JOSHI Date: Sun, 10 Mar 2024 23:46:37 +0530 Subject: [PATCH 09/19] Update README.md Signed-off-by: GUNJ JOSHI From de876f38d5870319540432507c533f10d65540b9 Mon Sep 17 00:00:00 2001 From: Pranav <85227306+Pranavchiku@users.noreply.github.com> Date: Wed, 13 Mar 2024 23:51:24 +0530 Subject: [PATCH 10/19] chore: apply suggestions from code review Signed-off-by: Pranav <85227306+Pranavchiku@users.noreply.github.com> --- .../math/base/special/negafibonacci/manifest.json | 12 +++++++++--- .../math/base/special/negafibonacci/src/main.c | 13 +++++++++++-- 2 files changed, 20 insertions(+), 5 deletions(-) diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/manifest.json b/lib/node_modules/@stdlib/math/base/special/negafibonacci/manifest.json index 6b0a4d3c509d..f354e45ad6de 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/manifest.json +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/manifest.json @@ -38,7 +38,9 @@ "dependencies": [ "@stdlib/math/base/napi/unary", "@stdlib/constants/float64/max-safe-nth-fibonacci", - "@stdlib/math/base/special/abs" + "@stdlib/math/base/special/abs", + "@stdlib/math/base/assert/is-nan", + "@stdlib/math/base/assert/is-integer" ] }, { @@ -53,7 +55,9 @@ "libpath": [], "dependencies": [ "@stdlib/constants/float64/max-safe-nth-fibonacci", - "@stdlib/math/base/special/abs" + "@stdlib/math/base/special/abs", + "@stdlib/math/base/assert/is-nan", + "@stdlib/math/base/assert/is-integer" ] }, { @@ -68,7 +72,9 @@ "libpath": [], "dependencies": [ "@stdlib/constants/float64/max-safe-nth-fibonacci", - "@stdlib/math/base/special/abs" + "@stdlib/math/base/special/abs", + "@stdlib/math/base/assert/is-nan", + "@stdlib/math/base/assert/is-integer" ] } ] diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c index 83672f821677..fa96a0d80e93 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c @@ -18,6 +18,8 @@ #include "stdlib/math/base/special/negafibonacci.h" #include "stdlib/math/base/special/abs.h" +#include "stdlib/math/base/assert/is_nan.h" +#include "stdlib/math/base/assert/is_integer.h" #include "stdlib/constants/float64/max_safe_nth_fibonacci.h" static const int64_t negafibonacci_value[ 79 ] = { @@ -114,9 +116,16 @@ static const int64_t negafibonacci_value[ 79 ] = { */ double stdlib_base_negafibonacci( const int32_t n ) { int32_t an; + if ( + stdlib_base_is_nan( n ) || + stdlib_base_is_integer( x ) || + n > 0 + ) { + return 0.0/0.0; // NaN + } an = stdlib_base_abs( n ); - if ( n > 0 || an > STDLIB_CONSTANT_FLOAT64_MAX_SAFE_NTH_FIBONACCI ) { - return 0.0 / 0.0; // NaN + if ( an > MAX_FIBONACCI ) { + return 0.0/0.0; // NaN } return negafibonacci_value[ an ]; } From 3e33a997c5d88ed4d7308d1d398781bfd6447949 Mon Sep 17 00:00:00 2001 From: Pranav <85227306+Pranavchiku@users.noreply.github.com> Date: Wed, 13 Mar 2024 23:52:43 +0530 Subject: [PATCH 11/19] chore: apply code review Signed-off-by: Pranav <85227306+Pranavchiku@users.noreply.github.com> --- .../@stdlib/math/base/special/negafibonacci/src/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c index fa96a0d80e93..fb9347cf2ffb 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c @@ -124,7 +124,7 @@ double stdlib_base_negafibonacci( const int32_t n ) { return 0.0/0.0; // NaN } an = stdlib_base_abs( n ); - if ( an > MAX_FIBONACCI ) { + if ( an > STDLIB_CONSTANT_FLOAT64_MAX_SAFE_NTH_FIBONACCI ) { return 0.0/0.0; // NaN } return negafibonacci_value[ an ]; From ec4346ba11f85c208b9e587588ddaf74a627685f Mon Sep 17 00:00:00 2001 From: Pranav <85227306+Pranavchiku@users.noreply.github.com> Date: Wed, 13 Mar 2024 23:53:36 +0530 Subject: [PATCH 12/19] chore: apply suggestions from code review Signed-off-by: Pranav <85227306+Pranavchiku@users.noreply.github.com> --- .../@stdlib/math/base/special/negafibonacci/src/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c index fb9347cf2ffb..6ba30703472f 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c @@ -118,7 +118,7 @@ double stdlib_base_negafibonacci( const int32_t n ) { int32_t an; if ( stdlib_base_is_nan( n ) || - stdlib_base_is_integer( x ) || + stdlib_base_is_integer( n ) || n > 0 ) { return 0.0/0.0; // NaN From 3aac70a7aee9112db430ed22a6caecd89bbb00db Mon Sep 17 00:00:00 2001 From: Pranav <85227306+Pranavchiku@users.noreply.github.com> Date: Wed, 13 Mar 2024 23:58:19 +0530 Subject: [PATCH 13/19] fix: incorrect implementation Signed-off-by: Pranav <85227306+Pranavchiku@users.noreply.github.com> --- .../@stdlib/math/base/special/negafibonacci/src/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c index 6ba30703472f..cfe921d682db 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c @@ -118,7 +118,7 @@ double stdlib_base_negafibonacci( const int32_t n ) { int32_t an; if ( stdlib_base_is_nan( n ) || - stdlib_base_is_integer( n ) || + !stdlib_base_is_integer( n ) || n > 0 ) { return 0.0/0.0; // NaN From 5385822e08febf6956d5b20407d8b54bc353736b Mon Sep 17 00:00:00 2001 From: Pranav <85227306+Pranavchiku@users.noreply.github.com> Date: Thu, 14 Mar 2024 00:00:37 +0530 Subject: [PATCH 14/19] chore: apply suggestions from code review Signed-off-by: Pranav <85227306+Pranavchiku@users.noreply.github.com> --- .../base/special/negafibonacci/benchmark/c/native/benchmark.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/c/native/benchmark.c b/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/c/native/benchmark.c index cd0c38cbeee8..1b739afab4ed 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/c/native/benchmark.c +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/c/native/benchmark.c @@ -103,13 +103,13 @@ double benchmark() { for ( i = 0; i < ITERATIONS; i++ ) { x = (int32_t)floor( 40.0 * rand_double() ); y = stdlib_base_negafibonacci( -x ); - if ( y == 7 ) { + if ( y != y ) { printf( "should not return 7\n" ); break; } } elapsed = tic() - t; - if ( y == 7 ) { + if ( y != y ) { printf( "should not return 7\n" ); } return elapsed; From 6ded5156b1905976186a9f2f7dd1a23ec1dc9a55 Mon Sep 17 00:00:00 2001 From: GUNJ JOSHI Date: Fri, 22 Mar 2024 02:57:44 +0530 Subject: [PATCH 15/19] Update addon.c Signed-off-by: GUNJ JOSHI --- .../@stdlib/math/base/special/negafibonacci/src/addon.c | 1 + 1 file changed, 1 insertion(+) diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/addon.c b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/addon.c index 0f911f6fea3c..0299cb8a9903 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/addon.c +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/addon.c @@ -18,6 +18,7 @@ #include "stdlib/math/base/special/negafibonacci.h" #include "stdlib/math/base/napi/unary.h" +#include // cppcheck-suppress shadowFunction STDLIB_MATH_BASE_NAPI_MODULE_I_D( stdlib_base_negafibonacci ) From b4d65e3caa7d72c786bf233b6068d7105a70a25a Mon Sep 17 00:00:00 2001 From: GUNJ JOSHI Date: Wed, 29 May 2024 08:34:32 +0530 Subject: [PATCH 16/19] remove unnecessary checks as n is already int32_t Signed-off-by: GUNJ JOSHI --- .../@stdlib/math/base/special/negafibonacci/src/main.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c index cfe921d682db..78c4234bfeb1 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c @@ -116,13 +116,6 @@ static const int64_t negafibonacci_value[ 79 ] = { */ double stdlib_base_negafibonacci( const int32_t n ) { int32_t an; - if ( - stdlib_base_is_nan( n ) || - !stdlib_base_is_integer( n ) || - n > 0 - ) { - return 0.0/0.0; // NaN - } an = stdlib_base_abs( n ); if ( an > STDLIB_CONSTANT_FLOAT64_MAX_SAFE_NTH_FIBONACCI ) { return 0.0/0.0; // NaN From 5d73cef9bc9c7058b3cbf9c5581fc61bd4644aa7 Mon Sep 17 00:00:00 2001 From: GUNJ JOSHI Date: Wed, 29 May 2024 08:37:40 +0530 Subject: [PATCH 17/19] corrected example Signed-off-by: GUNJ JOSHI --- .../@stdlib/math/base/special/negafibonacci/src/main.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c index 78c4234bfeb1..ab02ea2fc7ac 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c @@ -111,14 +111,17 @@ static const int64_t negafibonacci_value[ 79 ] = { * @return output value * * @example -* double out = stdlib_base_negafibonacci( 1 ); +* double out = stdlib_base_negafibonacci( -1 ); * // returns 1 */ double stdlib_base_negafibonacci( const int32_t n ) { int32_t an; + if ( n > 0 ) { + return 0.0 / 0.0; //NaN + } an = stdlib_base_abs( n ); if ( an > STDLIB_CONSTANT_FLOAT64_MAX_SAFE_NTH_FIBONACCI ) { - return 0.0/0.0; // NaN + return 0.0 / 0.0; // NaN } return negafibonacci_value[ an ]; } From eebfd49f86a4d011e28d3fb121e1bd7474bfde33 Mon Sep 17 00:00:00 2001 From: GUNJ JOSHI Date: Wed, 29 May 2024 08:41:49 +0530 Subject: [PATCH 18/19] check to return NaN, not 7 Signed-off-by: GUNJ JOSHI --- .../base/special/negafibonacci/benchmark/c/native/benchmark.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/c/native/benchmark.c b/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/c/native/benchmark.c index 1b739afab4ed..8f6168b5bcd3 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/c/native/benchmark.c +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/benchmark/c/native/benchmark.c @@ -104,13 +104,13 @@ double benchmark() { x = (int32_t)floor( 40.0 * rand_double() ); y = stdlib_base_negafibonacci( -x ); if ( y != y ) { - printf( "should not return 7\n" ); + printf( "should not return NaN\n" ); break; } } elapsed = tic() - t; if ( y != y ) { - printf( "should not return 7\n" ); + printf( "should not return NaN\n" ); } return elapsed; } From 17dbeb23454b0a64212ccc15c2afedaac29fab92 Mon Sep 17 00:00:00 2001 From: GUNJ JOSHI Date: Wed, 29 May 2024 08:43:23 +0530 Subject: [PATCH 19/19] Update lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c Co-authored-by: Philipp Burckhardt Signed-off-by: GUNJ JOSHI --- .../base/special/negafibonacci/src/main.c | 160 +++++++++--------- 1 file changed, 80 insertions(+), 80 deletions(-) diff --git a/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c index ab02ea2fc7ac..a4a78d438f25 100644 --- a/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c +++ b/lib/node_modules/@stdlib/math/base/special/negafibonacci/src/main.c @@ -22,86 +22,86 @@ #include "stdlib/math/base/assert/is_integer.h" #include "stdlib/constants/float64/max_safe_nth_fibonacci.h" -static const int64_t negafibonacci_value[ 79 ] = { - 0, - 1, - -1, - 2, - -3, - 5, - -8, - 13, - -21, - 34, - -55, - 89, - -144, - 233, - -377, - 610, - -987, - 1597, - -2584, - 4181, - -6765, - 10946, - -17711, - 28657, - -46368, - 75025, - -121393, - 196418, - -317811, - 514229, - -832040, - 1346269, - -2178309, - 3524578, - -5702887, - 9227465, - -14930352, - 24157817, - -39088169, - 63245986, - -102334155, - 165580141, - -267914296, - 433494437, - -701408733, - 1134903170, - -1836311903, - 2971215073, - -4807526976, - 7778742049, - -12586269025, - 20365011074, - -32951280099, - 53316291173, - -86267571272, - 139583862445, - -225851433717, - 365435296162, - -591286729879, - 956722026041, - -1548008755920, - 2504730781961, - -4052739537881, - 6557470319842, - -10610209857723, - 17167680177565, - -27777890035288, - 44945570212853, - -72723460248141, - 117669030460994, - -190392490709135, - 308061521170129, - -498454011879264, - 806515533049393, - -1304969544928657, - 2111485077978050, - -3416454622906707, - 5527939700884757, - -8944394323791464 +static const double negafibonacci_value[ 79 ] = { + 0.0, + 1.0, + -1.0, + 2.0, + -3.0, + 5.0, + -8.0, + 13.0, + -21.0, + 34.0, + -55.0, + 89.0, + -144.0, + 233.0, + -377.0, + 610.0, + -987.0, + 1597.0, + -2584.0, + 4181.0, + -6765.0, + 10946.0, + -17711.0, + 28657.0, + -46368.0, + 75025.0, + -121393.0, + 196418.0, + -317811.0, + 514229.0, + -832040.0, + 1346269.0, + -2178309.0, + 3524578.0, + -5702887.0, + 9227465.0, + -14930352.0, + 24157817.0, + -39088169.0, + 63245986.0, + -102334155.0, + 165580141.0, + -267914296.0, + 433494437.0, + -701408733.0, + 1134903170.0, + -1836311903.0, + 2971215073.0, + -4807526976.0, + 7778742049.0, + -12586269025.0, + 20365011074.0, + -32951280099.0, + 53316291173.0, + -86267571272.0, + 139583862445.0, + -225851433717.0, + 365435296162.0, + -591286729879.0, + 956722026041.0, + -1548008755920.0, + 2504730781961.0, + -4052739537881.0, + 6557470319842.0, + -10610209857723.0, + 17167680177565.0, + -27777890035288.0, + 44945570212853.0, + -72723460248141.0, + 117669030460994.0, + -190392490709135.0, + 308061521170129.0, + -498454011879264.0, + 806515533049393.0, + -1304969544928657.0, + 2111485077978050.0, + -3416454622906707.0, + 5527939700884757.0, + -8944394323791464.0 }; /**