| // Copyright 2009 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 |
| |
| #include "runtime.h" |
| |
| func Frexp(f float64) (frac float64, exp int32) { |
| frac = frexp(f, &exp); |
| } |
| |
| func Ldexp(frac float64, exp int32) (f float64) { |
| f = ldexp(frac, exp); |
| } |
| |
| func Modf(f float64) (integer float64, frac float64) { |
| frac = modf(f, &integer); |
| } |
| |
| func IsInf(f float64, sign int32) (is bool) { |
| is = isInf(f, sign); |
| } |
| |
| func IsNaN(f float64) (is bool) { |
| is = isNaN(f); |
| } |
| |
| func Inf(sign int32) (f float64) { |
| f = Inf(sign); |
| } |
| |
| func NaN() (f float64) { |
| f = NaN(); |
| } |
| |
| func Float32bits(f float32) (b uint32) { |
| b = float32tobits(f); |
| } |
| |
| func Float64bits(f float64) (b uint64) { |
| b = float64tobits(f); |
| } |
| |
| func Float32frombits(b uint32) (f float32) { |
| f = float32frombits(b); |
| } |
| |
| func Float64frombits(b uint64) (f float64) { |
| f = float64frombits(b); |
| } |
| |