Implemented recently logspace CArray initializer.

README.md

@@ -12,7 +12,7 @@
 [![Coverage Status](https://coveralls.io/repos/github/phpsci/phpsci/badge.svg?branch=master)](https://coveralls.io/github/phpsci/phpsci?branch=master)
 
 <p align="center">
-  <img src="https://i.imgur.com/QoIbhqj.png" />
+  <img src="https://i.imgur.com/QoIbhqj.png" width="70%" />
 </p>
 
 

src/PHPSci/Kernel/CArray/CArrayWrapper.php

@@ -4,6 +4,7 @@
 use PHPSci\Kernel\Initializers\Creatable;
 use PHPSci\Kernel\LinearAlgebra\Operatable;
 use PHPSci\Kernel\Orchestrator\MemoryPointer;
+use PHPSci\Kernel\PropertiesProcessor\Inflatable;
 use PHPSci\Kernel\Ranges\Rangeable;
 use PHPSci\Kernel\Transform\Transformable;
 use PHPSci\PHPSci;
@@ -16,8 +17,7 @@
  */
 abstract class CArrayWrapper implements Stackable, \ArrayAccess, \Countable
 {
-
-    use Transformable, Creatable, Operatable, Rangeable;
+    use Transformable, Creatable, Operatable, Rangeable, Printable, Inflatable;
 
     /**
      * @var
@@ -26,7 +26,6 @@ abstract class CArrayWrapper implements Stackable, \ArrayAccess, \Countable
 
 
     /**
-     *
      * @return int|void
      */
     public function count()
@@ -126,13 +125,7 @@ public function __invoke()
         // TODO: Implement __invoke() method.
     }
 
-    /**
-     *
-     */
-    public function __toString()
-    {
-        // TODO: Implement __toString() method.
-    }
+
 
     /**
      * Get current Pointer Object

src/PHPSci/Kernel/CArray/Printable.php

@@ -0,0 +1,23 @@
+<?php
+namespace PHPSci\Kernel\CArray;
+
+
+/**
+ * Trait Printable
+ *
+ * @author  Henrique Borba <[email protected]>
+ * @package PHPSci\Kernel\CArray
+ */
+trait Printable
+{
+    /**
+     * Print current CArray
+     *
+     * @author Henrique Borba <[email protected]>
+     */
+    public function __toString()
+    {
+        echo \CArray::print_r($this->ptr()->getPointer(), $this->rows, $this->cols);
+        return '';
+    }
+}

src/PHPSci/Kernel/Orchestrator/MemoryPointer.php

@@ -42,12 +42,12 @@ public function getPointer() {
     }
 
     /**
-     * Get current UUID
+     * Get current UUID (alias of getPointer)
      *
      * @author Henrique Borba <[email protected]>
      */
     public function getUUID() {
-        return $this->uuid;
+        return $this->getPointer();
     }
 
     /**

src/PHPSci/Kernel/PropertiesProcessor/Inflatable.php

@@ -0,0 +1,27 @@
+<?php
+namespace PHPSci\Kernel\PropertiesProcessor;
+
+/**
+ * Trait Inflatable
+ *
+ * Dynamic properties.
+ *
+ * @author  Henrique Borba <[email protected]>
+ * @package PHPSci\Kernel\PropertiesProcessor
+ */
+trait Inflatable
+{
+
+    /**
+     * Emulates properties based on available classes.
+     *
+     * @author Henrique Borba <[email protected]>
+     * @param $name
+     * @return
+     */
+    public function __get($name)
+    {
+        return call_user_func('PHPSci\\Kernel\\PropertiesProcessor\\'.$name.'::run', $this);
+    }
+
+}

src/PHPSci/PropertiesProcessor/PropertiesProcessor.php → src/PHPSci/Kernel/PropertiesProcessor/PropertiesProcessor.php

@@ -1,5 +1,5 @@
 <?php
-namespace PHPSci\PropertiesProcessor;
+namespace PHPSci\Kernel\PropertiesProcessor;
 
 /**
  * Class PropertiesProcessor

src/PHPSci/PropertiesProcessor/Property.php → src/PHPSci/Kernel/PropertiesProcessor/Property.php

@@ -1,5 +1,5 @@
 <?php
-namespace PHPSci\PropertiesProcessor;
+namespace PHPSci\Kernel\PropertiesProcessor;
 
 use PHPSci\PHPSci;
 

src/PHPSci/PropertiesProcessor/cols.php → src/PHPSci/Kernel/PropertiesProcessor/cols.php

@@ -1,5 +1,5 @@
 <?php
-namespace PHPSci\PropertiesProcessor;
+namespace PHPSci\Kernel\PropertiesProcessor;
 
 
 use PHPSci\PHPSci;
@@ -13,11 +13,12 @@
 class cols extends PropertiesProcessor
 {
     /**
+     * @author Henrique Borba <[email protected]>
      * @param PHPSci $obj
      * @return int
      */
     public static function run(PHPSci $obj)
     {
-        return $obj->getCols();
+        return $obj->ptr()->getCols();
     }
 }

src/PHPSci/PropertiesProcessor/rows.php → src/PHPSci/Kernel/PropertiesProcessor/rows.php

@@ -1,5 +1,5 @@
 <?php
-namespace PHPSci\PropertiesProcessor;
+namespace PHPSci\Kernel\PropertiesProcessor;
 
 
 use PHPSci\PHPSci;
@@ -21,6 +21,6 @@ class rows extends PropertiesProcessor
      */
     public static function run(PHPSci $obj)
     {
-        return $obj->getRows();
+        return $obj->ptr()->getRows();
     }
 }

src/PHPSci/PropertiesProcessor/sizeOf.php → src/PHPSci/Kernel/PropertiesProcessor/sizeOf.php

@@ -1,5 +1,5 @@
 <?php
-namespace PHPSci\PropertiesProcessor;
+namespace PHPSci\Kernel\PropertiesProcessor;
 use PHPSci\PHPSci;
 
 /**
@@ -12,10 +12,9 @@ class sizeOf extends PropertiesProcessor
     /**
      * @param PHPSci $obj
      * @return int
-     * @throws \PHPSci\Backend\Exceptions\ParameterValueException
      */
     public static function run(PHPSci $obj) {
-        return $obj->sizeOf();
+        return $obj->ptr()->sizeOf();
     }
 
 }

src/PHPSci/Kernel/PropertiesProcessor/took.php

@@ -0,0 +1,24 @@
+<?php
+namespace PHPSci\Kernel\PropertiesProcessor;
+
+
+use PHPSci\PHPSci;
+
+
+/**
+ * Class took
+ *
+ * @package PHPSci\Kernel\PropertiesProcessor
+ */
+class took extends PropertiesProcessor
+{
+
+    /**
+     * @param PHPSci $obj
+     * @return float
+     */
+    public static function run(PHPSci $obj)
+    {
+        return $obj->getTook();
+    }
+}

src/PHPSci/Kernel/Ranges/Rangeable.php

@@ -60,4 +60,25 @@ public static function linspace(float $stop, float $start = 0., float $num = 50)
         );
     }
 
+    /**
+     * Return numbers spaced evenly on a log scale.
+     *
+     * @author                  Henrique Borba <[email protected]>
+     * @param float $start      base ** start is the starting value of the sequence.
+     * @param float $stop       base ** stop is the final value of the sequence
+     * @param int $num          Number of samples to generate. Default is 50.
+     * @param float $base       The base of the log space.
+     * @return CArrayWrapper
+     */
+    public static function logspace(float $start, float $stop, int $num = 50, float $base = 10) : CArrayWrapper {
+        $new_ptr = \CArray::logspace($start, $stop, $num, $base);
+        return new PHPSci(
+          new MemoryPointer(
+              $new_ptr,
+              $new_ptr->x,
+              $new_ptr->y
+          )
+        );
+    }
+
 }

tests/Ranges/LogspaceTest.php

@@ -0,0 +1,31 @@
+<?php
+namespace PHPSci\Tests\Ranges;
+
+use PHPSci\PHPSci;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Class LogspaceTest
+ *
+ * @author Henrique Borba <[email protected]>
+ * @package PHPSci\Tests\Ranges
+ */
+class LogspaceTest extends TestCase
+{
+
+    /**
+     * Test logspace static range initializer
+     *
+     * @author Henrique Borba <[email protected]>
+     */
+    public function testLogspaceRangeInitializer() {
+        $expected = [100, 215.4434356689453, 464.1589660644531, 1000];
+        $returned = PHPSci::logspace(2,3, 4)->toArray();
+        $this->assertEquals($expected, $returned);
+
+        $expected = [4, 5.039683818817139, 6.349604606628418, 8];
+        $returned = PHPSci::logspace(2,3, 4, 2)->toArray();
+        $this->assertEquals($expected, $returned);
+    }
+
+}