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restoring secondary paths to addition and multiplication

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This commit is contained in:
Danny Yoo 2012-02-21 15:20:32 -05:00
parent ad5f6d8b79
commit 5289bb298b
1 changed files with 26 additions and 2 deletions
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28
js-assembler/runtime-src/runtime.js
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@ -845,7 +845,19 @@
return sum; return sum;
} }
} }
return checkedAddSlowPath(M, Array.prototype.slice.call(arguments, 1)); // Secondary path: if everything is a fixnum...
sum = 0;
for (i = 1; i < arguments.length; i++) {
if (typeof(arguments[i]) === 'number') {
sum += arguments[i];
if (sum < -9e15 || sum > 9e15) {
return checkedAddSlowPath(M, Array.prototype.slice.call(arguments, 1));
}
} else {
return checkedAddSlowPath(M, Array.prototype.slice.call(arguments, 1));
}
}
return sum;
}; };
var checkedAddSlowPath = function(M, args) { var checkedAddSlowPath = function(M, args) {
@ -872,7 +884,19 @@
return prod; return prod;
} }
} }
return checkedMulSlowPath(M, Array.prototype.slice.call(arguments, 1)); // Secondary path: if everything is a fixnum...
prod = 1;
for (i = 1; i < arguments.length; i++) {
if (typeof(arguments[i]) === 'number') {
prod *= arguments[i];
if (prod < -9e15 || prod > 9e15) {
return checkedMulSlowPath(M, Array.prototype.slice.call(arguments, 1));
}
} else {
return checkedMulSlowPath(M, Array.prototype.slice.call(arguments, 1));
}
}
return prod;
}; };
var checkedMulSlowPath = function(M, args) { var checkedMulSlowPath = function(M, args) {