xref: /aosp_15_r20/external/arm-optimized-routines/pl/math/log1pf_data.c (revision 412f47f9e737e10ed5cc46ec6a8d7fa2264f8a14)
1*412f47f9SXin Li /*
2*412f47f9SXin Li  * Data used in single-precision log1p(x) function.
3*412f47f9SXin Li  *
4*412f47f9SXin Li  * Copyright (c) 2022-2023, Arm Limited.
5*412f47f9SXin Li  * SPDX-License-Identifier: MIT OR Apache-2.0 WITH LLVM-exception
6*412f47f9SXin Li  */
7*412f47f9SXin Li #include "math_config.h"
8*412f47f9SXin Li 
9*412f47f9SXin Li /* Polynomial coefficients generated using floating-point minimax
10*412f47f9SXin Li    algorithm, see tools/log1pf.sollya for details.  */
11*412f47f9SXin Li const struct log1pf_data __log1pf_data
12*412f47f9SXin Li   = {.coeffs = {-0x1p-1f, 0x1.5555aap-2f, -0x1.000038p-2f, 0x1.99675cp-3f,
13*412f47f9SXin Li 		-0x1.54ef78p-3f, 0x1.28a1f4p-3f, -0x1.0da91p-3f, 0x1.abcb6p-4f,
14*412f47f9SXin Li 		-0x1.6f0d5ep-5f}};
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