Merge pull request #117 from sethkinast/math-float

Handle string 0 in math helper and add toint to the params for @math.

lib/dust-helpers.js

@@ -270,42 +270,45 @@ var helpers = {
  return null;
  };
 
- key  = dust.helpers.tap(key, chunk, context);
- operand = dust.helpers.tap(operand, chunk, context);
+ key = parseFloat(dust.helpers.tap(key, chunk, context));
+ operand = parseFloat(dust.helpers.tap(operand, chunk, context));
  // TODO: handle and tests for negatives and floats in all math operations
  switch(method) {
  case "mod":
  if(operand === 0 || operand === -0) {
  _log("operand for divide operation is 0/-0: expect Nan!");
  }
- mathOut = parseFloat(key) %  parseFloat(operand);
+ mathOut = key % operand;
  break;
  case "add":
- mathOut = parseFloat(key) + parseFloat(operand);
+ mathOut = key + operand;
  break;
  case "subtract":
- mathOut = parseFloat(key) - parseFloat(operand);
+ mathOut = key - operand;
  break;
  case "multiply":
- mathOut = parseFloat(key) * parseFloat(operand);
+ mathOut = key * operand;
  break;
  case "divide":
- if(operand === 0 || operand === -0) {
- _log("operand for divide operation is 0/-0: expect Nan/Infinity!");
- }
- mathOut = parseFloat(key) / parseFloat(operand);
+  if(operand === 0 || operand === -0) {
+  _log("operand for divide operation is 0/-0: expect Nan/Infinity!");
+  }
+ mathOut = key / operand;
  break;
  case "ceil":
- mathOut = Math.ceil(parseFloat(key));
+ mathOut = Math.ceil(key);
  break;
  case "floor":
- mathOut = Math.floor(parseFloat(key));
+ mathOut = Math.floor(key);
  break;
  case "round":
- mathOut = Math.round(parseFloat(key));
+ mathOut = Math.round(key);
  break;
  case "abs":
- mathOut = Math.abs(parseFloat(key));
+ mathOut = Math.abs(key);
+ break;
+ case "toint":
+ mathOut = parseInt(key, 10);
  break;
  default:
  _log("method passed is not supported");