Merge pull request #62 from snoek09/issue_59_fix_missing_bcmath_exten…

…sion

59 added fallback in case the BCMath extension isn't installed

src/Ladybug/Type/Float.php

@@ -32,7 +32,6 @@ class Float extends AbstractType
     /** @var string $mathConstant Mathematical constant name */
     protected $mathConstant = null;
 
-
     /**
      * Constructor.
      */
@@ -112,8 +111,15 @@ public function detectMathConstant($var, $precision)
         );
 
         foreach ($constants as $name => $item) {
-            if (0 === bccomp($var, $item['value'], max($precision - 1, $item['min_precision']))) {
-                return $name;
+            if (extension_loaded('bcmath')) {
+                if (0 === bccomp($var, $item['value'], max($precision - 1, $item['min_precision']))) {
+                    return $name;
+                }
+            } else {
+                $p = max($precision - 1, $item['min_precision']);
+                if (number_format($var, $p) === number_format($item['value'], $p)) {
+                    return $name;
+                }
             }
         }
 
@@ -125,5 +131,4 @@ public function getDecimals()
         return $this->decimals;
     }
 
-
 }