xref: /aosp_15_r20/external/arm-optimized-routines/math/erff_data.c (revision 412f47f9e737e10ed5cc46ec6a8d7fa2264f8a14) 
1*412f47f9SXin Li /*
2*412f47f9SXin Li  * Data for approximation of erff.
3*412f47f9SXin Li  *
4*412f47f9SXin Li  * Copyright (c) 2019-2020, Arm Limited.
5*412f47f9SXin Li  * SPDX-License-Identifier: MIT OR Apache-2.0 WITH LLVM-exception
6*412f47f9SXin Li  */
7*412f47f9SXin Li 
8*412f47f9SXin Li #include "math_config.h"
9*412f47f9SXin Li 
10*412f47f9SXin Li /* Minimax approximation of erff. */
11*412f47f9SXin Li const struct erff_data __erff_data = {
12*412f47f9SXin Li .erff_poly_A = {
13*412f47f9SXin Li 0x1.06eba6p-03f, -0x1.8126e0p-02f, 0x1.ce1a46p-04f,
14*412f47f9SXin Li -0x1.b68bd2p-06f, 0x1.473f48p-08f, -0x1.3a1a82p-11f
15*412f47f9SXin Li },
16*412f47f9SXin Li .erff_poly_B = {
17*412f47f9SXin Li 0x1.079d0cp-3f, 0x1.450aa0p-1f, 0x1.b55cb0p-4f,
18*412f47f9SXin Li -0x1.8d6300p-6f, 0x1.fd1336p-9f, -0x1.91d2ccp-12f,
19*412f47f9SXin Li 0x1.222900p-16f
20*412f47f9SXin Li }
21*412f47f9SXin Li };
22*412f47f9SXin Li 
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