mirror of
https://github.com/explosion/spaCy.git
synced 2025-11-04 09:57:26 +03:00
70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
#ifndef __NPY_HALFFLOAT_H__
|
|
#define __NPY_HALFFLOAT_H__
|
|
|
|
#include <Python.h>
|
|
#include <numpy/npy_math.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/*
|
|
* Half-precision routines
|
|
*/
|
|
|
|
/* Conversions */
|
|
float npy_half_to_float(npy_half h);
|
|
double npy_half_to_double(npy_half h);
|
|
npy_half npy_float_to_half(float f);
|
|
npy_half npy_double_to_half(double d);
|
|
/* Comparisons */
|
|
int npy_half_eq(npy_half h1, npy_half h2);
|
|
int npy_half_ne(npy_half h1, npy_half h2);
|
|
int npy_half_le(npy_half h1, npy_half h2);
|
|
int npy_half_lt(npy_half h1, npy_half h2);
|
|
int npy_half_ge(npy_half h1, npy_half h2);
|
|
int npy_half_gt(npy_half h1, npy_half h2);
|
|
/* faster *_nonan variants for when you know h1 and h2 are not NaN */
|
|
int npy_half_eq_nonan(npy_half h1, npy_half h2);
|
|
int npy_half_lt_nonan(npy_half h1, npy_half h2);
|
|
int npy_half_le_nonan(npy_half h1, npy_half h2);
|
|
/* Miscellaneous functions */
|
|
int npy_half_iszero(npy_half h);
|
|
int npy_half_isnan(npy_half h);
|
|
int npy_half_isinf(npy_half h);
|
|
int npy_half_isfinite(npy_half h);
|
|
int npy_half_signbit(npy_half h);
|
|
npy_half npy_half_copysign(npy_half x, npy_half y);
|
|
npy_half npy_half_spacing(npy_half h);
|
|
npy_half npy_half_nextafter(npy_half x, npy_half y);
|
|
|
|
/*
|
|
* Half-precision constants
|
|
*/
|
|
|
|
#define NPY_HALF_ZERO (0x0000u)
|
|
#define NPY_HALF_PZERO (0x0000u)
|
|
#define NPY_HALF_NZERO (0x8000u)
|
|
#define NPY_HALF_ONE (0x3c00u)
|
|
#define NPY_HALF_NEGONE (0xbc00u)
|
|
#define NPY_HALF_PINF (0x7c00u)
|
|
#define NPY_HALF_NINF (0xfc00u)
|
|
#define NPY_HALF_NAN (0x7e00u)
|
|
|
|
#define NPY_MAX_HALF (0x7bffu)
|
|
|
|
/*
|
|
* Bit-level conversions
|
|
*/
|
|
|
|
npy_uint16 npy_floatbits_to_halfbits(npy_uint32 f);
|
|
npy_uint16 npy_doublebits_to_halfbits(npy_uint64 d);
|
|
npy_uint32 npy_halfbits_to_floatbits(npy_uint16 h);
|
|
npy_uint64 npy_halfbits_to_doublebits(npy_uint16 h);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|