针对pulse-transit的工具

dist/client/sklearn/utils/murmurhash.pxd

@@ -0,0 +1,21 @@
+"""Export fast murmurhash C/C++ routines + cython wrappers"""
+
+cimport numpy as np
+
+# The C API is disabled for now, since it requires -I flags to get
+# compilation to work even when these functions are not used.
+#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)