| /* |
| * Data definition for sinf, cosf and sincosf. |
| * |
| * Copyright (c) 2018, Arm Limited. |
| * SPDX-License-Identifier: MIT |
| */ |
| |
| #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 |
| }; |