scikit-learn/sklearn/utils/murmurhash.pxd

20 lines
714 B
Cython

"""Export fast murmurhash C/C++ routines + cython wrappers"""
cimport numpy as np
cdef extern from "MurmurHash3.h":
void MurmurHash3_x86_32(void* key, int len, unsigned int seed,
void* out)
void MurmurHash3_x86_128(void* key, int len, unsigned int seed,
void* out)
void MurmurHash3_x64_128(void* key, int len, unsigned int seed,
void* out)
cpdef np.uint32_t murmurhash3_int_u32(int key, unsigned int seed)
cpdef np.int32_t murmurhash3_int_s32(int key, unsigned int seed)
cpdef np.uint32_t murmurhash3_bytes_u32(bytes key, unsigned int seed)
cpdef np.int32_t murmurhash3_bytes_s32(bytes key, unsigned int seed)