Function libdivide_mullhi_u32

numpy/core/include/numpy/libdivide/libdivide.h:218–222

//////// Internal Utility Functions

static inline uint32_t libdivide_mullhi_u32(uint32_t x, uint32_t y) {
    uint64_t xl = x, yl = y;
    uint64_t rl = xl * yl;
    return (uint32_t)(rl >> 32);
}

static inline int32_t libdivide_mullhi_s32(int32_t x, int32_t y) {
    int64_t xl = x, yl = y;