Merged stable branch up to 2.3.10

[fa-stable.git] / includes / current_user.inc

diff --git a/includes/current_user.inc b/includes/current_user.inc
index 591524f4626e6b5ad899add3804b23567df97e7f..0a5b7481dc381bba29617ae769f30ef60a24dae0 100644 (file)
--- a/includes/current_user.inc
+++ b/includes/current_user.inc
@@ -211,6 +211,20 @@ function number_format2($number, $decimals=0)
        return $decimals==='max' ? rtrim($num, '0') : $num;
 
 }
+
+/* price/float comparision helper to be used in any suspicious place for zero values? 
+usage:
+if (!floatcmp($value1, $value2)) 
+       compare value is 0
+*/
+
+define('FLOAT_COMP_DELTA', 0.004);
+
+function floatcmp($a, $b)
+{
+    return $a - $b > FLOAT_COMP_DELTA ? 1 : $b - $a > FLOAT_COMP_DELTA ? -1 : 0;
+}
+
 //
 //     Current ui mode.
 //