From 9cad3490d003a64361485dd7dbfee802f8a99539 Mon Sep 17 00:00:00 2001
From: Gordon Lesti <info@gordonlesti.com>
Date: Wed, 7 Jan 2015 08:24:15 +0100
Subject: [PATCH] remove unused, remove functions from loops

---
 .coveralls.yml                     | 2 +-
 README.md                          | 4 ++--
 composer.json                      | 2 +-
 src/NumPHP/Core/NumArray.php       | 1 -
 src/NumPHP/Core/NumArray/Cache.php | 1 -
 src/NumPHP/Core/NumArray/Dot.php   | 3 ++-
 src/NumPHP/Core/NumArray/Get.php   | 2 --
 src/NumPHP/Core/NumArray/Map.php   | 8 +++++---
 src/NumPHP/Core/NumPHP.php         | 5 +++--
 src/NumPHP/LinAlg/LinAlg.php       | 2 +-
 10 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/.coveralls.yml b/.coveralls.yml
index 7712ce0..7a18ce2 100644
--- a/.coveralls.yml
+++ b/.coveralls.yml
@@ -1 +1 @@
-src_dir: src
\ No newline at end of file
+src_dir: src
diff --git a/README.md b/README.md
index 3490b5c..a2c480e 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # NumPHP
 
-NumPHP is a PHP library for scientific computing. The main object is the `NumArray`, it can represent a scalar, a vector
+NumPHP is a mathematical PHP library for scientific computing. The main object is the `NumArray`, it can represent a scalar, a vector
 or a matrix. Advanced matrix arithmetic for PHP. This project is inspired by the simplicity of
 [NumPy](http://www.numpy.org/).
 
@@ -15,7 +15,7 @@ or a matrix. Advanced matrix arithmetic for PHP. This project is inspired by the
 
 ## Release Information
 
-*NumPHP 1.0.0-dev4*
+*NumPHP 1.0.0-dev5*
 
 ## Requirements
 
diff --git a/composer.json b/composer.json
index d8f1242..73c04a2 100644
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
     "name": "numphp/numphp",
     "type": "library",
-    "description": "PHP library for scientific computing",
+    "description": "Mathematical PHP library for scientific computing",
     "keywords": ["numeric"],
     "homepage": "http://numphp.org/",
     "license": "MIT",
diff --git a/src/NumPHP/Core/NumArray.php b/src/NumPHP/Core/NumArray.php
index 8d48c07..3352cf4 100644
--- a/src/NumPHP/Core/NumArray.php
+++ b/src/NumPHP/Core/NumArray.php
@@ -20,7 +20,6 @@
 use NumPHP\Core\NumArray\Set;
 use NumPHP\Core\NumArray\Shape;
 use NumPHP\Core\NumArray\String;
-use NumPHP\Core\NumArray\Sum;
 use NumPHP\Core\NumArray\Transpose;
 
 /**
diff --git a/src/NumPHP/Core/NumArray/Cache.php b/src/NumPHP/Core/NumArray/Cache.php
index a26d077..1a87dc8 100644
--- a/src/NumPHP/Core/NumArray/Cache.php
+++ b/src/NumPHP/Core/NumArray/Cache.php
@@ -11,7 +11,6 @@
 
 use NumPHP\Core\Exception\CacheException;
 use NumPHP\Core\Exception\CacheKeyException;
-use NumPHP\Core\Exception\CacheMissException;
 
 /**
  * Class Cache
diff --git a/src/NumPHP/Core/NumArray/Dot.php b/src/NumPHP/Core/NumArray/Dot.php
index ef5c98f..f77a3a9 100644
--- a/src/NumPHP/Core/NumArray/Dot.php
+++ b/src/NumPHP/Core/NumArray/Dot.php
@@ -161,9 +161,10 @@ protected static function dotMatrixVector(array $data1, array $data2)
     protected static function dotMatrixMatrix(array $data1, array $data2)
     {
         $product = [];
+        $size2 = count($data2[0]);
         foreach ($data1 as $i => $rowI) {
             $row = [];
-            for ($j = 0; $j < count($data2[0]); $j++) {
+            for ($j = 0; $j < $size2; $j++) {
                 $sum = 0;
                 foreach ($rowI as $key => $value1) {
                     $sum += $value1 * $data2[$key][$j];
diff --git a/src/NumPHP/Core/NumArray/Get.php b/src/NumPHP/Core/NumArray/Get.php
index 75e89bb..13da440 100644
--- a/src/NumPHP/Core/NumArray/Get.php
+++ b/src/NumPHP/Core/NumArray/Get.php
@@ -9,8 +9,6 @@
 
 namespace NumPHP\Core\NumArray;
 
-use NumPHP\Core\NumArray;
-
 /**
  * Class Get
  * @package NumPHP\Core\NumArray
diff --git a/src/NumPHP/Core/NumArray/Map.php b/src/NumPHP/Core/NumArray/Map.php
index 4096162..88dd68f 100644
--- a/src/NumPHP/Core/NumArray/Map.php
+++ b/src/NumPHP/Core/NumArray/Map.php
@@ -39,21 +39,23 @@ public static function mapArray($array1, $array2, $callback)
     protected static function mapRecursive($data1, $data2, $callback)
     {
         if (is_array($data1)) {
+            $size1 = count($data1);
             if (is_array($data2)) {
                 if (count($data1) !== count($data2)) {
                     throw new InvalidArgumentException('Shape '.count($data1).' is different from '.count($data2));
                 }
-                for ($i = 0; $i < count($data1); $i++) {
+                for ($i = 0; $i < $size1; $i++) {
                     $data1[$i] = self::mapRecursive($data1[$i], $data2[$i], $callback);
                 }
             } else {
-                for ($i = 0; $i < count($data1); $i++) {
+                for ($i = 0; $i < $size1; $i++) {
                     $data1[$i] = self::mapRecursive($data1[$i], $data2, $callback);
                 }
             }
         } else {
             if (is_array($data2)) {
-                for ($i = 0; $i < count($data2); $i++) {
+                $size2 = count($data2);
+                for ($i = 0; $i < $size2; $i++) {
                     $data2[$i] = self::mapRecursive($data1, $data2[$i], $callback);
                 }
 
diff --git a/src/NumPHP/Core/NumPHP.php b/src/NumPHP/Core/NumPHP.php
index 8c2ff60..f33e063 100644
--- a/src/NumPHP/Core/NumPHP.php
+++ b/src/NumPHP/Core/NumPHP.php
@@ -18,7 +18,7 @@
  */
 abstract class NumPHP
 {
-    const VERSION = '1.0.0-dev4';
+    const VERSION = '1.0.0-dev5';
 
     /**
      * @return NumArray
@@ -85,7 +85,8 @@ public static function eye($mAxis, $nAxis = -1)
             $nAxis = $mAxis;
         }
         $eye = self::zeros($mAxis, $nAxis);
-        for ($i = 0; $i < min($mAxis, $nAxis); $i++) {
+        $min = min($mAxis, $nAxis);
+        for ($i = 0; $i < $min; $i++) {
             $eye->set(1, $i, $i);
         }
 
diff --git a/src/NumPHP/LinAlg/LinAlg.php b/src/NumPHP/LinAlg/LinAlg.php
index 0cb92a4..eca8fa6 100644
--- a/src/NumPHP/LinAlg/LinAlg.php
+++ b/src/NumPHP/LinAlg/LinAlg.php
@@ -19,7 +19,7 @@
   */
 class LinAlg
 {
-    const VERSION = '1.0.0-dev4';
+    const VERSION = '1.0.0-dev5';
 
     /**
      * @param $array