Merge branch 'master' of https://github.com/SepehrAsh/mout into SepehrAsh-master

Author: roboshoes

src/number/abbreviate.js

@@ -15,7 +15,12 @@ define(['./enforcePrecision'], function (enforcePrecision) {
         val = enforcePrecision(val, nDecimals);
 
         var str, mod;
+        var negative = false;
 
+        if (val < 0){
+            val = -val;
+            negative = true;
+        }
         if (val < 1000000) {
             mod = enforcePrecision(val / 1000, nDecimals);
             // might overflow to next scale during rounding
@@ -26,7 +31,9 @@ define(['./enforcePrecision'], function (enforcePrecision) {
         } else {
             str = enforcePrecision(val / 1000000000, nDecimals) + dict.billion;
         }
-
+        if (negative){
+            str = '-' + str;
+        }
         return str;
     }
 

tests/spec/number/spec-abbreviate.js

@@ -7,6 +7,7 @@ define(['mout/number/abbreviate'], function (abbr) {
             expect( abbr(55   )).toEqual( '0.1K' );
             expect( abbr(500  )).toEqual( '0.5K' );
             expect( abbr(910  )).toEqual( '0.9K' );
+            expect( abbr(-910  )).toEqual( '-0.9K' );
 
             expect( abbr(999    )).toEqual( '1K'    );
             expect( abbr(999.9  )).toEqual( '1K'    );
@@ -16,13 +17,15 @@ define(['mout/number/abbreviate'], function (abbr) {
             expect( abbr(1001   )).toEqual( '1K'    );
             expect( abbr(1100   )).toEqual( '1.1K'  );
             expect( abbr(5721   )).toEqual( '5.7K'  );
+            expect( abbr(-5721   )).toEqual( '-5.7K'  );
 
             expect( abbr(999000    )).toEqual( '999K'   );
             expect( abbr(999900    )).toEqual( '999.9K' );
             expect( abbr(999990    )).toEqual( '1M'     ); // round
             expect( abbr(999999    )).toEqual( '1M'     );
             expect( abbr(1000000   )).toEqual( '1M'     );
             expect( abbr(1000000.1 )).toEqual( '1M'     );
+            expect( abbr(-1000000.1 )).toEqual( '-1M'     );
             expect( abbr(1000101   )).toEqual( '1M'     );
             expect( abbr(1100000   )).toEqual( '1.1M'   );
             expect( abbr(5721000   )).toEqual( '5.7M'   );
@@ -37,6 +40,7 @@ define(['mout/number/abbreviate'], function (abbr) {
             expect( abbr(1000000001   )).toEqual( '1B'     );
             expect( abbr(1100000000   )).toEqual( '1.1B'   );
             expect( abbr(5721000000   )).toEqual( '5.7B'   );
+            expect( abbr(-5721000000   )).toEqual( '-5.7B'   );
             expect( abbr(9876543210   )).toEqual( '9.9B'   ); // round
         });