Fixes #223, float arguments to functions like scale should now work as expected

src/app/services/graphite/gfunc.js

@@ -365,7 +365,7 @@ function (_) {
       this.params.splice(index, 1);      
     }
     else if (this.def.params[index].type === 'int') {
-      this.params[index] = parseInt(strValue, 10);
+      this.params[index] = parseFloat(strValue, 10);
     }
     else {
       this.params[index] = strValue;

src/test/specs/gfunc-specs.js

@@ -71,7 +71,11 @@ define([
       expect(func.text).to.be('summarize(1h, sum)');
     });
 
-
+    it('should parse numbers as float', function() {
+      var func = gfunc.createFuncInstance('scale');
+      func.updateParam('0.001', 0);
+      expect(func.params[0]).to.be(0.001);      
+    });
   });
 
   describe('when updating func param with optional second parameter', function() {

src/test/specs/lexer-specs.js

@@ -88,6 +88,12 @@ define([
       expect(tokens[4].pos).to.be(20);
     });
 
+    it('should handle float parameters', function() {
+      var lexer = new Lexer("alias(metric, 0.002)");
+      var tokens = lexer.tokenize();      
+      expect(tokens[4].type).to.be('number');
+      expect(tokens[4].value).to.be('0.002');
+    });
 
   });
 

src/test/specs/parser-specs.js

@@ -139,6 +139,13 @@ define([
       expect(rootNode.type).to.be('function');
     });
 
+     it('handle float function arguments', function() {
+      var parser = new Parser('scale(test, 0.002)');
+      var rootNode = parser.getAst();            
+      expect(rootNode.type).to.be('function');      
+      expect(rootNode.params[1].type).to.be('number');
+      expect(rootNode.params[1].value).to.be(0.002);
+    });
 
   });