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| author | Vladimir Azarov <avm@intermediate-node.net> | 2024-10-01 15:47:05 +0200 |
|---|---|---|
| committer | Vladimir Azarov <avm@intermediate-node.net> | 2024-10-01 15:47:05 +0200 |
| commit | 4abab5ad6c8465a7528ccdd5f49367da05f78bbd (patch) | |
| tree | ebf009bf1376a5a223a915bc27cbbd791a1316bc /src/math/exp2f_data.h | |
Initial version
Diffstat (limited to 'src/math/exp2f_data.h')
| -rw-r--r-- | src/math/exp2f_data.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/math/exp2f_data.h b/src/math/exp2f_data.h new file mode 100644 index 0000000..fe744f1 --- /dev/null +++ b/src/math/exp2f_data.h @@ -0,0 +1,23 @@ +/* + * Copyright (c) 2017-2018, Arm Limited. + * SPDX-License-Identifier: MIT + */ +#ifndef _EXP2F_DATA_H +#define _EXP2F_DATA_H + +#include <features.h> +#include <stdint.h> + +/* Shared between expf, exp2f and powf. */ +#define EXP2F_TABLE_BITS 5 +#define EXP2F_POLY_ORDER 3 +extern hidden const struct exp2f_data { + uint64_t tab[1 << EXP2F_TABLE_BITS]; + double shift_scaled; + double poly[EXP2F_POLY_ORDER]; + double shift; + double invln2_scaled; + double poly_scaled[EXP2F_POLY_ORDER]; +} __exp2f_data; + +#endif |