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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgo/] [go/] [math/] [signbit.go] - Rev 748
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// Copyright 2010 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 math
// Signbit returns true if x is negative or negative zero.
func Signbit(x float64) bool {
return Float64bits(x)&(1<<63) != 0
}
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