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| /*
| * Data definition for sinf, cosf and sincosf.
| *
| * Copyright (c) 2018, Arm Limited.
| * SPDX-License-Identifier: MIT
| */
|
| #if !WANT_SINGLEPREC
|
| #include <stdint.h>
| #include <math.h>
| #include "math_config.h"
| #include "sincosf.h"
|
| /* The constants and polynomials for sine and cosine. The 2nd entry
| computes -cos (x) rather than cos (x) to get negation for free. */
| const sincos_t __sincosf_table[2] =
| {
| {
| { 1.0, -1.0, -1.0, 1.0 },
| #if TOINT_INTRINSICS
| 0x1.45F306DC9C883p-1,
| #else
| 0x1.45F306DC9C883p+23,
| #endif
| 0x1.921FB54442D18p0,
| 0x1p0,
| -0x1.ffffffd0c621cp-2,
| 0x1.55553e1068f19p-5,
| -0x1.6c087e89a359dp-10,
| 0x1.99343027bf8c3p-16,
| -0x1.555545995a603p-3,
| 0x1.1107605230bc4p-7,
| -0x1.994eb3774cf24p-13
| },
| {
| { 1.0, -1.0, -1.0, 1.0 },
| #if TOINT_INTRINSICS
| 0x1.45F306DC9C883p-1,
| #else
| 0x1.45F306DC9C883p+23,
| #endif
| 0x1.921FB54442D18p0,
| -0x1p0,
| 0x1.ffffffd0c621cp-2,
| -0x1.55553e1068f19p-5,
| 0x1.6c087e89a359dp-10,
| -0x1.99343027bf8c3p-16,
| -0x1.555545995a603p-3,
| 0x1.1107605230bc4p-7,
| -0x1.994eb3774cf24p-13
| }
| };
|
| /* Table with 4/PI to 192 bit precision. To avoid unaligned accesses
| only 8 new bits are added per entry, making the table 4 times larger. */
| const uint32_t __inv_pio4[24] =
| {
| 0xa2, 0xa2f9, 0xa2f983, 0xa2f9836e,
| 0xf9836e4e, 0x836e4e44, 0x6e4e4415, 0x4e441529,
| 0x441529fc, 0x1529fc27, 0x29fc2757, 0xfc2757d1,
| 0x2757d1f5, 0x57d1f534, 0xd1f534dd, 0xf534ddc0,
| 0x34ddc0db, 0xddc0db62, 0xc0db6295, 0xdb629599,
| 0x6295993c, 0x95993c43, 0x993c4390, 0x3c439041
| };
|
| #endif
|
|
