accept either 0.0 or +0 as double in asm coercion

kripken · kripken · commit 680d3f7de3db · 2013-01-07T16:01:08.000-08:00
diff --git a/tools/js-optimizer.js b/tools/js-optimizer.js
@@ -1251,7 +1251,8 @@ var ASM_INT = 0;
 var ASM_DOUBLE = 1;
 
 function detectAsmCoercion(node) {
-  // for params, +x vs x|0, for vars, +0 vs 0, so check for "+"
+  // for params, +x vs x|0, for vars, 0.0 vs 0
+  if (node[0] == 'num' && node[1].toString().indexOf('.') >= 0) return ASM_DOUBLE;
   return node[0] == 'unary-prefix' ? ASM_DOUBLE : ASM_INT;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -1251,7 +1251,8 @@ var ASM_INT = 0;`
`1251`	`1251`	`var ASM_DOUBLE = 1;`
`1252`	`1252`
`1253`	`1253`	`function detectAsmCoercion(node) {`
`1254`		`- // for params, +x vs x\|0, for vars, +0 vs 0, so check for "+"`
	`1254`	`+ // for params, +x vs x\|0, for vars, 0.0 vs 0`
	`1255`	`+ if (node[0] == 'num' && node[1].toString().indexOf('.') >= 0) return ASM_DOUBLE;`
`1255`	`1256`	`return node[0] == 'unary-prefix' ? ASM_DOUBLE : ASM_INT;`
`1256`	`1257`	`}`
`1257`	`1258`