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131 lines
3.9 KiB
C
131 lines
3.9 KiB
C
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/*******************************************************************************
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MIT License
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-----------
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Copyright (c) 2002-2019 Advanced Micro Devices, Inc.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this Software and associated documentaon files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*******************************************************************************/
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#include <fpieee.h>
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#include <excpt.h>
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#include <float.h>
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#include <math.h>
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#include <errno.h>
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#include "libm_new.h"
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// these codes and the ones in the related .asm files have to match
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#define POW_X_ONE_Y_SNAN 1
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#define POW_X_ZERO_Z_INF 2
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#define POW_X_NAN 3
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#define POW_Y_NAN 4
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#define POW_X_NAN_Y_NAN 5
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#define POW_X_NEG_Y_NOTINT 6
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#define POW_Z_ZERO 7
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#define POW_Z_DENORMAL 8
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#define POW_Z_INF 9
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float _powf_special(float x, float y, float z, U32 code)
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{
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switch(code)
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{
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case POW_X_ONE_Y_SNAN:
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{
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UT64 zm; zm.u64 = 0; zm.f32[0] = z;
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_handle_errorf("powf", _FpCodePow, zm.u64, 0, AMD_F_INVALID, 0, x, y, 2);
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}
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break;
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case POW_X_ZERO_Z_INF:
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{
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UT64 zm; zm.u64 = 0; zm.f32[0] = z;
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_handle_errorf("powf", _FpCodePow, zm.u64, _SING, AMD_F_DIVBYZERO, ERANGE, x, y, 2);
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}
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break;
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case POW_X_NAN:
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case POW_Y_NAN:
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case POW_X_NAN_Y_NAN:
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case POW_X_NEG_Y_NOTINT:
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{
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UT64 zm; zm.u64 = 0; zm.f32[0] = z;
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_handle_errorf("powf", _FpCodePow, zm.u64, _DOMAIN, AMD_F_INVALID, EDOM, x, y, 2);
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}
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break;
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case POW_Z_ZERO:
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{
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UT64 zm; zm.u64 = 0; zm.f32[0] = z;
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_handle_errorf("powf", _FpCodePow, zm.u64, _UNDERFLOW, AMD_F_INEXACT|AMD_F_UNDERFLOW, ERANGE, x, y, 2);
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}
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break;
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case POW_Z_INF:
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{
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UT64 zm; zm.u64 = 0; zm.f32[0] = z;
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_handle_errorf("powf", _FpCodePow, zm.u64, _OVERFLOW, AMD_F_INEXACT|AMD_F_OVERFLOW, ERANGE, x, y, 2);
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}
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break;
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}
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return z;
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}
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double _pow_special(double x, double y, double z, U32 code)
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{
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switch(code)
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{
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case POW_X_ZERO_Z_INF:
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{
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UT64 zm; zm.f64 = z;
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_handle_error("pow", _FpCodePow, zm.u64, _SING, AMD_F_DIVBYZERO, ERANGE, x, y, 2);
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}
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break;
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case POW_X_NAN:
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case POW_Y_NAN:
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case POW_X_NAN_Y_NAN:
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case POW_X_NEG_Y_NOTINT:
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{
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UT64 zm; zm.f64 = z;
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_handle_error("pow", _FpCodePow, zm.u64, _DOMAIN, AMD_F_INVALID, EDOM, x, y, 2);
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}
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break;
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case POW_Z_ZERO:
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case POW_Z_DENORMAL:
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{
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UT64 zm; zm.f64 = z;
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_handle_error("pow", _FpCodePow, zm.u64, _UNDERFLOW, AMD_F_INEXACT|AMD_F_UNDERFLOW, ERANGE, x, y, 2);
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}
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break;
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case POW_Z_INF:
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{
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UT64 zm; zm.f64 = z;
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_handle_error("pow", _FpCodePow, zm.u64, _OVERFLOW, AMD_F_INEXACT|AMD_F_OVERFLOW, ERANGE, x, y, 2);
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}
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break;
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}
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return z;
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}
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