51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "fpmath.h"
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#include "math.h"
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#include "math_private.h"
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double fabs(double x)
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{
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IEEEd2bits u;
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u.d = x;
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u.bits.sign = 0;
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return u.d;
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}
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float fabsf(float x)
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{
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return __builtin_fabsf(x);
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}
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double copysign(double x, double y)
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{
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u_int32_t hx,hy;
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GET_HIGH_WORD(hx,x);
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GET_HIGH_WORD(hy,y);
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SET_HIGH_WORD(x,(hx&0x7fffffff)|(hy&0x80000000));
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return x;
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}
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float copysignf(float x, float y)
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{
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u_int32_t ix,iy;
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GET_FLOAT_WORD(ix,x);
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GET_FLOAT_WORD(iy,y);
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SET_FLOAT_WORD(x,(ix&0x7fffffff)|(iy&0x80000000));
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return x;
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}
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