1 /*
2  * Double-precision polynomial coefficients for vector atan(x) and atan2(y,x).
3  *
4  * Copyright (c) 2019-2023, Arm Limited.
5  * SPDX-License-Identifier: MIT OR Apache-2.0 WITH LLVM-exception
6  */
7 
8 #include "math_config.h"
9 
10 const struct atan_poly_data __atan_poly_data = {
11   .poly = {/* Coefficients of polynomial P such that atan(x)~x+x*P(x^2) on
12 	      [2**-1022, 1.0]. See atan.sollya for details of how these were
13 	      generated.  */
14 	   -0x1.5555555555555p-2,  0x1.99999999996c1p-3,  -0x1.2492492478f88p-3,
15 	   0x1.c71c71bc3951cp-4,   -0x1.745d160a7e368p-4, 0x1.3b139b6a88ba1p-4,
16 	   -0x1.11100ee084227p-4,  0x1.e1d0f9696f63bp-5,  -0x1.aebfe7b418581p-5,
17 	   0x1.842dbe9b0d916p-5,   -0x1.5d30140ae5e99p-5, 0x1.338e31eb2fbbcp-5,
18 	   -0x1.00e6eece7de8p-5,   0x1.860897b29e5efp-6,  -0x1.0051381722a59p-6,
19 	   0x1.14e9dc19a4a4ep-7,   -0x1.d0062b42fe3bfp-9, 0x1.17739e210171ap-10,
20 	   -0x1.ab24da7be7402p-13, 0x1.358851160a528p-16}};
21