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/* Constants used in polynomial approximations for vectorized sinf, cosf,
and sincosf functions.
Copyright (C) 2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#ifndef S_TRIG_DATA_H
#define S_TRIG_DATA_H
#include <altivec.h>
/* PI/2. */
const vector float __s_half_pi =
{ 0x1.921fb6p+0, 0x1.921fb6p+0, 0x1.921fb6p+0, 0x1.921fb6p+0 };
/* Inverse PI. */
const vector float __s_inv_pi =
{ 0x1.45f306p-2, 0x1.45f306p-2, 0x1.45f306p-2, 0x1.45f306p-2 };
/* Right-shifter constant. */
const vector float __s_rshifter =
{ 0x1.8p+23, 0x1.8p+23, 0x1.8p+23, 0x1.8p+23 };
/* One-half. */
const vector float __s_one_half =
{ 0x1p-1, 0x1p-1, 0x1p-1, 0x1p-1 };
/* Threshold for out-of-range values. */
const vector float __s_rangeval =
{ 0x1.388p+13, 0x1.388p+13, 0x1.388p+13, 0x1.388p+13 };
/* PI1, PI2, and PI3 when FMA is available
PI high part (when FMA available). */
const vector float __s_pi1_fma =
{ 0x1.921fb6p+1, 0x1.921fb6p+1, 0x1.921fb6p+1, 0x1.921fb6p+1 };
/* PI mid part (when FMA available). */
const vector float __s_pi2_fma =
{ -0x1.777a5cp-24, -0x1.777a5cp-24, -0x1.777a5cp-24, -0x1.777a5cp-24 };
/* PI low part (when FMA available). */
const vector float __s_pi3_fma =
{ -0x1.ee59dap-49, -0x1.ee59dap-49, -0x1.ee59dap-49, -0x1.ee59dap-49 };
/* Polynomial constants for work w/o FMA, relative error ~ 2^(-26.625). */
const vector float __s_a3 =
{ -0x1.55554cp-3, -0x1.55554cp-3, -0x1.55554cp-3, -0x1.55554cp-3 };
/* Polynomial constants, work with FMA, relative error ~ 2^(-26.417). */
const vector float __s_a5_fma =
{ 0x1.110edp-7, 0x1.110edp-7, 0x1.110edp-7, 0x1.110edp-7 };
const vector float __s_a7_fma =
{ -0x1.9f6d9ep-13, -0x1.9f6d9ep-13, -0x1.9f6d9ep-13, -0x1.9f6d9ep-13 };
const vector float __s_a9_fma =
{ 0x1.5d866ap-19, 0x1.5d866ap-19, 0x1.5d866ap-19, 0x1.5d866ap-19 };
#endif /* S_TRIG_DATA_H. */
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