2 * Data definition for sinf, cosf and sincosf.
4 * Copyright (c) 2018-2019, Arm Limited.
5 * SPDX-License-Identifier: MIT
10 #include "math_config.h"
13 /* The constants and polynomials for sine and cosine. The 2nd entry
14 computes -cos (x) rather than cos (x) to get negation for free. */
15 const sincos_t __sincosf_table[2] =
18 { 1.0, -1.0, -1.0, 1.0 },
22 0x1.45F306DC9C883p+23,
26 -0x1.ffffffd0c621cp-2,
28 -0x1.6c087e89a359dp-10,
29 0x1.99343027bf8c3p-16,
30 -0x1.555545995a603p-3,
32 -0x1.994eb3774cf24p-13
35 { 1.0, -1.0, -1.0, 1.0 },
39 0x1.45F306DC9C883p+23,
44 -0x1.55553e1068f19p-5,
45 0x1.6c087e89a359dp-10,
46 -0x1.99343027bf8c3p-16,
47 -0x1.555545995a603p-3,
49 -0x1.994eb3774cf24p-13
53 /* Table with 4/PI to 192 bit precision. To avoid unaligned accesses
54 only 8 new bits are added per entry, making the table 4 times larger. */
55 const uint32_t __inv_pio4[24] =
57 0xa2, 0xa2f9, 0xa2f983, 0xa2f9836e,
58 0xf9836e4e, 0x836e4e44, 0x6e4e4415, 0x4e441529,
59 0x441529fc, 0x1529fc27, 0x29fc2757, 0xfc2757d1,
60 0x2757d1f5, 0x57d1f534, 0xd1f534dd, 0xf534ddc0,
61 0x34ddc0db, 0xddc0db62, 0xc0db6295, 0xdb629599,
62 0x6295993c, 0x95993c43, 0x993c4390, 0x3c439041