fallback to native rounding if newer approach fails

Tom Groves · Tom Groves · commit 54e036f3ce35 · 2018-05-29T14:13:16.000+01:00
diff --git a/bits/60_number.js b/bits/60_number.js
@@ -63,6 +63,10 @@ function rnd(val/*:number*/, d/*:number*/)/*:string*/ {
 		}
 		result = +(Math.round(+arr[0] + "e" + sig + (+arr[1] + d)) + "e-" + d);
 	}
+	if (isNaN(result)) {
+		var dd = Math.pow(10, d);
+		result = Math.round(val * dd) / dd;
+	}
 	return "" + result
 }
 function dec(val/*:number*/, d/*:number*/)/*:number*/ {
diff --git a/ssf.flow.js b/ssf.flow.js
@@ -324,6 +324,10 @@ function rnd(val/*:number*/, d/*:number*/)/*:string*/ {
 		}
 		result = +(Math.round(+arr[0] + "e" + sig + (+arr[1] + d)) + "e-" + d);
 	}
+	if (isNaN(result)) {
+		var dd = Math.pow(10, d);
+		result = Math.round(val * dd) / dd;
+	}
 	return "" + result
 }
 function dec(val/*:number*/, d/*:number*/)/*:number*/ {
diff --git a/ssf.js b/ssf.js
@@ -319,6 +319,10 @@ function rnd(val, d) {
 		}
 		result = +(Math.round(+arr[0] + "e" + sig + (+arr[1] + d)) + "e-" + d);
 	}
+	if (isNaN(result)) {
+		var dd = Math.pow(10, d);
+		result = Math.round(val * dd) / dd;
+	}
 	return "" + result
 }
 function dec(val, d) {

Original file line number	Diff line number	Diff line change
`@@ -63,6 +63,10 @@ function rnd(val/:number/, d/:number/)/:string/ {`
`63`	`63`	`}`
`64`	`64`	`result = +(Math.round(+arr[0] + "e" + sig + (+arr[1] + d)) + "e-" + d);`
`65`	`65`	`}`
	`66`	`+ if (isNaN(result)) {`
	`67`	`+ var dd = Math.pow(10, d);`
	`68`	`+ result = Math.round(val * dd) / dd;`
	`69`	`+ }`
`66`	`70`	`return "" + result`
`67`	`71`	`}`
`68`	`72`	`function dec(val/:number/, d/:number/)/:number/ {`
Original file line number	Diff line number	Diff line change
`@@ -324,6 +324,10 @@ function rnd(val/:number/, d/:number/)/:string/ {`
`324`	`324`	`}`
`325`	`325`	`result = +(Math.round(+arr[0] + "e" + sig + (+arr[1] + d)) + "e-" + d);`
`326`	`326`	`}`
	`327`	`+ if (isNaN(result)) {`
	`328`	`+ var dd = Math.pow(10, d);`
	`329`	`+ result = Math.round(val * dd) / dd;`
	`330`	`+ }`
`327`	`331`	`return "" + result`
`328`	`332`	`}`
`329`	`333`	`function dec(val/:number/, d/:number/)/:number/ {`
Original file line number	Diff line number	Diff line change
`@@ -319,6 +319,10 @@ function rnd(val, d) {`
`319`	`319`	`}`
`320`	`320`	`result = +(Math.round(+arr[0] + "e" + sig + (+arr[1] + d)) + "e-" + d);`
`321`	`321`	`}`
	`322`	`+ if (isNaN(result)) {`
	`323`	`+ var dd = Math.pow(10, d);`
	`324`	`+ result = Math.round(val * dd) / dd;`
	`325`	`+ }`
`322`	`326`	`return "" + result`
`323`	`327`	`}`
`324`	`328`	`function dec(val, d) {`