diff options
Diffstat (limited to 'pl/math/log1p_data.c')
| -rw-r--r-- | pl/math/log1p_data.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/pl/math/log1p_data.c b/pl/math/log1p_data.c new file mode 100644 index 0000000..6168a0c --- /dev/null +++ b/pl/math/log1p_data.c @@ -0,0 +1,19 @@ +/* + * Data used in double-precision log(1+x) function. + * + * Copyright (c) 2022-2023, Arm Limited. + * SPDX-License-Identifier: MIT OR Apache-2.0 WITH LLVM-exception + */ + +#include "math_config.h" + +/* Polynomial coefficients generated using Remez algorithm, see + log1p.sollya for details. */ +const struct log1p_data __log1p_data = { + .coeffs = {-0x1.ffffffffffffbp-2, 0x1.55555555551a9p-2, -0x1.00000000008e3p-2, + 0x1.9999999a32797p-3, -0x1.555555552fecfp-3, 0x1.249248e071e5ap-3, + -0x1.ffffff8bf8482p-4, 0x1.c71c8f07da57ap-4, -0x1.9999ca4ccb617p-4, + 0x1.7459ad2e1dfa3p-4, -0x1.554d2680a3ff2p-4, 0x1.3b4c54d487455p-4, + -0x1.2548a9ffe80e6p-4, 0x1.0f389a24b2e07p-4, -0x1.eee4db15db335p-5, + 0x1.e95b494d4a5ddp-5, -0x1.15fdf07cb7c73p-4, 0x1.0310b70800fcfp-4, + -0x1.cfa7385bdb37ep-6}}; |