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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:19:13 +0000 |
commit | ccd992355df7192993c666236047820244914598 (patch) | |
tree | f00fea65147227b7743083c6148396f74cd66935 /src/math/cmplx/isinf.go | |
parent | Initial commit. (diff) | |
download | golang-1.21-ccd992355df7192993c666236047820244914598.tar.xz golang-1.21-ccd992355df7192993c666236047820244914598.zip |
Adding upstream version 1.21.8.upstream/1.21.8
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/math/cmplx/isinf.go | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/math/cmplx/isinf.go b/src/math/cmplx/isinf.go new file mode 100644 index 0000000..6273cd3 --- /dev/null +++ b/src/math/cmplx/isinf.go @@ -0,0 +1,21 @@ +// 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" + +// IsInf reports whether either real(x) or imag(x) is an infinity. +func IsInf(x complex128) bool { + if math.IsInf(real(x), 0) || math.IsInf(imag(x), 0) { + return true + } + return false +} + +// Inf returns a complex infinity, complex(+Inf, +Inf). +func Inf() complex128 { + inf := math.Inf(1) + return complex(inf, inf) +} |