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https://github.com/golang/go
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27 lines
609 B
Go
27 lines
609 B
Go
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// run
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// Copyright 2012 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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// Converting constants between types must introduce rounding.
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package main
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import "fmt"
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const (
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F32 = 0.00999999977648258209228515625
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F64 = 0.01000000000000000020816681711721685132943093776702880859375
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)
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var F = float64(float32(0.01))
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func main() {
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// 0.01 rounded to float32 then to float64 is F32.
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// 0.01 represented directly in float64 is F64.
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if F != F32 {
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panic(fmt.Sprintf("F=%.1000g, want %.1000g", F, F32))
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}
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}
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