Merge pull request #8 from ReactionMechanismGenerator/lpsolve

add conda recipe for lpsolve

lpsolve/build.sh

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+platform="unknown"
+unamestr=$(uname)
+if [[ "$unamestr" == "Linux" ]]; then
+  platform="linux"
+  platarch="ux${ARCH}"
+  libname="liblpsolve55.so"
+  ccc="ccc"
+elif [[ "$unamestr" == "Darwin" ]]; then
+  platform="macos"
+  platarch="osx64"
+  libname="liblpsolve55.dylib"
+  ccc="ccc.osx"
+fi
+
+mkdir -p ${PREFIX}/bin
+mkdir -p ${PREFIX}/lib
+mkdir -p ${PREFIX}/include/lpsolve
+
+# build library
+cd lpsolve55
+sed 's/-Wno-long-double//' < ${ccc} > ${ccc}.patched
+sh -x ${ccc}.patched
+cd bin/${platarch}
+
+if [[ "$platform" == "macos" ]]; then
+  install_name_tool -id ${PREFIX}/lib/liblpsolve55.dylib liblpsolve55.dylib
+fi
+
+cp ${libname} ${PREFIX}/lib/
+cd ../../../
+
+# build executable
+cd lp_solve
+sed 's/-Wno-long-double//' < ${ccc} > ${ccc}.patched
+sh ${ccc}.patched
+cp bin/${platarch}/lp_solve ${PREFIX}/bin/
+cd ..
+
+# install headers
+cp *.h ${PREFIX}/include/
+cp *.h ${PREFIX}/include/lpsolve/

lpsolve/demo.c

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+/*
+A very simple example using lp_solve, with the following problem:
+    Objective function
+    min: -9 C1 -10 C2;
+    Constraints
+    R1: -0 <= +C1 <= 10;
+    +C1 -C2 = 0;
+To compile using GCC:
+    $ gcc demo2.c -o demo2 -llpsolve55
+*/
+
+#include "lp_lib.h"
+
+int demo()
+{
+    lprec *lp;
+    int j;
+    int num_cols = 2;
+    int ret;
+
+    int *colno;
+    REAL *row;
+
+    colno = (int *)malloc(sizeof(*colno) * num_cols);
+    row = (REAL *)malloc(sizeof(*row) * num_cols);
+
+    lp = make_lp(0, num_cols);
+
+    set_add_rowmode(lp, TRUE); /* makes building the model faster if it is done rows by row */
+
+    colno[0] = 1;
+    colno[1] = 2;
+    j = 2;
+
+    row[0] = 1;
+    row[1] = 0;
+    add_constraintex(lp, j, row, colno, LE, 10);
+
+    set_rh_range(lp, 1, 10);
+
+    row[0] = 1;
+    row[1] = -1;
+    add_constraintex(lp, j, row, colno, EQ, 0);
+
+    set_add_rowmode(lp, FALSE); /* rowmode should be turned off again when done building the model */
+
+    /* set objective function */
+    row[0] = -9.0;
+    row[1] = -10.0;
+
+    set_obj_fnex(lp, 2, row, colno);
+
+    /* object direction is minimise */
+    set_minim(lp);
+
+    /* print problem to stdout */
+    write_LP(lp, stdout);
+
+    set_verbose(lp, IMPORTANT);
+
+    printf("\n");
+
+    ret = solve(lp);
+    printf("Status: %i\n", ret);
+
+    printf("Objective value: %f\n", get_objective(lp));
+
+    get_variables(lp, row);
+    for(j = 0; j < num_cols; j++)
+    {
+        printf("%s: %f\n", get_col_name(lp, j + 1), row[j]);
+    }
+
+
+    if(lp != NULL)
+    {
+        delete_lp(lp);
+    }
+
+    return 0;
+}
+
+int main()
+{
+    return demo();
+}

lpsolve/meta.yaml

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+# This file created by conda-build 2.0.8
+# meta.yaml template originally from:
+# /Users/mjliu/Dropbox (MIT)/Research/anaconda/lpsolve, last modified Thu Nov  3 17:02:02 2016
+# ------------------------------------------------
+
+package:
+    name: lpsolve
+    version: 5.5.2.5
+source:
+    fn: lp_solve_5.5.2.5_source.tar.gz
+    md5: 3be57261fc41dd8e210f54017220d5f7
+    url: https://sourceforge.net/projects/lpsolve/files/lpsolve/5.5.2.5/lp_solve_5.5.2.5_source.tar.gz
+build:
+    number: '0'
+test:
+    files:
+        - demo.c
+about:
+    home: http://lpsolve.sourceforge.net/5.5/
+    license: LGPL
+extra:
+    recipe-maintainers:
+        - snorfalorpagus

lpsolve/run_test.sh

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+lp_solve -h
+
+cc -I ${PREFIX}/include -L ${PREFIX}/lib -Wl,-rpath,${PREFIX}/lib -o demo demo.c -llpsolve55
+./demo