Fix handling of negative results in module operator

Fixes sass#1029
mgreter · Jun 1, 2015 · 81a373b · 81a373b
1 parent efbb288
commit 81a373b
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/eval.cpp b/eval.cpp
@@ -31,11 +31,13 @@ namespace Sass {
   inline double sub(double x, double y) { return x - y; }
   inline double mul(double x, double y) { return x * y; }
   inline double div(double x, double y) { return x / y; } // x/0 checked by caller
+  inline double mod(double x, double y) { return abs(fmod(x, y)); } // x/0 checked by caller
+
   typedef double (*bop)(double, double);
   bop ops[Binary_Expression::NUM_OPS] = {
     0, 0, // and, or
     0, 0, 0, 0, 0, 0, // eq, neq, gt, gte, lt, lte
-    add, sub, mul, div, fmod
+    add, sub, mul, div, mod
   };
 
   Eval::Eval(Expand& exp)