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https://github.com/golang/go
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33 lines
639 B
Go
33 lines
639 B
Go
// $G $D/$F.go && $L $F.$A && ./$A.out || echo BUG: should not panic
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import "fmt"
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func f0() string {
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const f = 3.141592;
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return fmt.Sprintf("%v", float64(f));
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}
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func f1() string {
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const f = 3.141592;
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_ := float64(float32(f)); // appears to change the precision of f
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return fmt.Sprintf("%v", float64(f));
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}
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func main() {
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r0 := f0();
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r1 := f1();
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if r0 != r1 {
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println("r0 =", r0);
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println("r1 =", r1);
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panic("r0 and r1 should be the same");
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}
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}
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