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// $G $D/$F.go && $L $F.$A && ./$A.out || echo BUG: should not panic

// 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");

        }

}