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

lewurm · lewurm · commit e229c9448cb2 · 2019-02-01T09:41:23.000+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
@@ -38,7 +38,7 @@ private static unsafe void DoubleToNumber(double value, int precision, ref Numbe
                 number.sign = true;
             }
 
-            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
`@@ -38,7 +38,7 @@ private static unsafe void DoubleToNumber(double value, int precision, ref Numbe`
`38`	`38`	`number.sign = true;`
`39`	`39`	`}`
`40`	`40`
`41`		`- if (value == 0.0)`
	`41`	`+ if (BitConverter.DoubleToInt64Bits (value) == 0)`
`42`	`42`	`{`
`43`	`43`	`for (int j = 0; j < precision; j++)`
`44`	`44`	`{`