7a9389330e
gcc/: * gcc.c (default_compilers): Add entry for ".go". * common.opt: Add -static-libgo as a driver option. * doc/install.texi (Configuration): Mention libgo as an option for --enable-shared. Mention go as an option for --enable-languages. * doc/invoke.texi (Overall Options): Mention .go as a file name suffix. Mention go as a -x option. * doc/frontends.texi (G++ and GCC): Mention Go as a supported language. * doc/sourcebuild.texi (Top Level): Mention libgo. * doc/standards.texi (Standards): Add section on Go language. Move references for other languages into their own section. * doc/contrib.texi (Contributors): Mention that I contributed the Go frontend. gcc/testsuite/: * lib/go.exp: New file. * lib/go-dg.exp: New file. * lib/go-torture.exp: New file. * lib/target-supports.exp (check_compile): Match // Go. From-SVN: r167407
22 lines
502 B
Go
22 lines
502 B
Go
// Copyright 2010 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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package cmath
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import "math"
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// IsInf returns true if either real(x) or imag(x) is an infinity.
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func IsInf(x complex128) bool {
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if math.IsInf(real(x), 0) || math.IsInf(imag(x), 0) {
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return true
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}
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return false
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}
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// Inf returns a complex infinity, cmplx(+Inf, +Inf).
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func Inf() complex128 {
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inf := math.Inf(1)
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return cmplx(inf, inf)
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}
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