[Number] make double 0.0 cmp more portable (#30)

lewurm · marek-safar · commit 1b7d4a1e4bd7 · 2019-01-31T21:06:52.000+01:00
Related: mono/mono#11965
diff --git a/src/System.Private.CoreLib/src/System/Number.Unix.cs b/src/System.Private.CoreLib/src/System/Number.Unix.cs
@@ -33,7 +33,7 @@ private static unsafe void DoubleToNumber(double value, int precision, ref Numbe
             number.sign = double.IsNegative(value);
             *dst = '\0';
 
-            if (value == 0.0)
+            if (BitConverter.DoubleToInt64Bits (value) == 0)
             {
                 for (int j = 0; j < precision; j++)
                 {

Original file line number	Diff line number	Diff line change
`@@ -33,7 +33,7 @@ private static unsafe void DoubleToNumber(double value, int precision, ref Numbe`
`33`	`33`	`number.sign = double.IsNegative(value);`
`34`	`34`	`*dst = '\0';`
`35`	`35`
`36`		`- if (value == 0.0)`
	`36`	`+ if (BitConverter.DoubleToInt64Bits (value) == 0)`
`37`	`37`	`{`
`38`	`38`	`for (int j = 0; j < precision; j++)`
`39`	`39`	`{`