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Diffstat (limited to 'src/pkg/math/cmplx/isnan.go')
-rw-r--r-- | src/pkg/math/cmplx/isnan.go | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/src/pkg/math/cmplx/isnan.go b/src/pkg/math/cmplx/isnan.go deleted file mode 100644 index 05d0cce63..000000000 --- a/src/pkg/math/cmplx/isnan.go +++ /dev/null @@ -1,25 +0,0 @@ -// 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 cmplx - -import "math" - -// IsNaN returns true if either real(x) or imag(x) is NaN -// and neither is an infinity. -func IsNaN(x complex128) bool { - switch { - case math.IsInf(real(x), 0) || math.IsInf(imag(x), 0): - return false - case math.IsNaN(real(x)) || math.IsNaN(imag(x)): - return true - } - return false -} - -// NaN returns a complex ``not-a-number'' value. -func NaN() complex128 { - nan := math.NaN() - return complex(nan, nan) -} |