diff options
Diffstat (limited to 'pl/math/atanf_data.c')
-rw-r--r-- | pl/math/atanf_data.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/pl/math/atanf_data.c b/pl/math/atanf_data.c new file mode 100644 index 0000000..c4cba23 --- /dev/null +++ b/pl/math/atanf_data.c @@ -0,0 +1,15 @@ +/* + * Single-precision polynomial coefficients for vector atan(x) and atan2(y,x). + * + * Copyright (c) 2019-2023, Arm Limited. + * SPDX-License-Identifier: MIT OR Apache-2.0 WITH LLVM-exception + */ + +#include "math_config.h" + +/* Coefficients of polynomial P such that atan(x)~x+x*P(x^2) on [2**-128, 1.0]. + */ +const struct atanf_poly_data __atanf_poly_data = { + .poly = {/* See atanf.sollya for details of how these were generated. */ + -0x1.55555p-2f, 0x1.99935ep-3f, -0x1.24051ep-3f, 0x1.bd7368p-4f, + -0x1.491f0ep-4f, 0x1.93a2c0p-5f, -0x1.4c3c60p-6f, 0x1.01fd88p-8f}}; |