summaryrefslogtreecommitdiffstats
path: root/test/fixedbugs/bug154.go
diff options
context:
space:
mode:
Diffstat (limited to 'test/fixedbugs/bug154.go')
-rw-r--r--test/fixedbugs/bug154.go33
1 files changed, 33 insertions, 0 deletions
diff --git a/test/fixedbugs/bug154.go b/test/fixedbugs/bug154.go
new file mode 100644
index 0000000..a2cfd4a
--- /dev/null
+++ b/test/fixedbugs/bug154.go
@@ -0,0 +1,33 @@
+// run
+
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import "fmt"
+
+func f0() string {
+ const f = 3.141592;
+ return fmt.Sprintf("%v", float64(f));
+}
+
+
+func f1() string {
+ const f = 3.141592;
+ x := float64(float32(f)); // appears to change the precision of f
+ _ = x;
+ return fmt.Sprintf("%v", float64(f));
+}
+
+
+func main() {
+ r0 := f0();
+ r1 := f1();
+ if r0 != r1 {
+ println("r0 =", r0);
+ println("r1 =", r1);
+ panic("r0 and r1 should be the same");
+ }
+}