cosmopolitan/libc/tinymath/powf_data.internal.h
2022-11-08 12:55:28 -08:00

25 lines
692 B
C

#ifndef COSMOPOLITAN_LIBC_TINYMATH_POWF_DATA_INTERNAL_H_
#define COSMOPOLITAN_LIBC_TINYMATH_POWF_DATA_INTERNAL_H_
#define POWF_LOG2_TABLE_BITS 4
#define POWF_LOG2_POLY_ORDER 5
#if TOINT_INTRINSICS
#define POWF_SCALE_BITS EXP2F_TABLE_BITS
#else
#define POWF_SCALE_BITS 0
#endif
#define POWF_SCALE ((double)(1 << POWF_SCALE_BITS))
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
extern _Hide const struct powf_log2_data {
struct {
double invc, logc;
} tab[1 << POWF_LOG2_TABLE_BITS];
double poly[POWF_LOG2_POLY_ORDER];
} __powf_log2_data;
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_TINYMATH_POWF_DATA_INTERNAL_H_ */