Avoid division in genFloat01()

wfscheper · Jul 20, 2021 · ef97f65 · ef97f65
1 parent ce9c50f
commit ef97f65
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/go.mod b/go.mod
@@ -1,3 +1,3 @@
 module pgregory.net/rapid
 
-go 1.12
+go 1.14
diff --git a/utils.go b/utils.go
@@ -24,7 +24,7 @@ func bitmask64(n uint) uint64 {
 }
 
 func genFloat01(s bitStream) float64 {
-	return float64(s.drawBits(53)) / (1 << 53)
+	return float64(s.drawBits(53)) * 0x1.0p-53
 }
 
 func genGeom(s bitStream, p float64) uint64 {