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
859 B
Go
22 lines
859 B
Go
// Copyright 2009 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 math
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import "unsafe"
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// Float32bits returns the IEEE 754 binary representation of f.
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func Float32bits(f float32) uint32 { return *(*uint32)(unsafe.Pointer(&f)) }
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// Float32frombits returns the floating point number corresponding
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// to the IEEE 754 binary representation b.
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func Float32frombits(b uint32) float32 { return *(*float32)(unsafe.Pointer(&b)) }
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// Float64bits returns the IEEE 754 binary representation of f.
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func Float64bits(f float64) uint64 { return *(*uint64)(unsafe.Pointer(&f)) }
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// Float64frombits returns the floating point number corresponding
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// the IEEE 754 binary representation b.
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func Float64frombits(b uint64) float64 { return *(*float64)(unsafe.Pointer(&b)) }
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