Function _inline_ipow

numexpr3/real_functions.hpp:59–73

This integer power is a use case where templates would result in much less code.

// This integer power is a use case where templates would result in much less code.
static inline void
_inline_ipow(npy_uint8 base, npy_uint8 exponent, npy_uint8 &result) {
    result = 1;
    if (exponent <= 0) {
        return;
    }
    npy_uint8 x = base;     // Don't modify input args
    npy_uint8 n = exponent;
    while(n) {
        if (n & 1) 
            result *= x;
        n >>= 1;
        x *= x;
    }
}

static inline void
_inline_ipow(npy_int8 base, npy_int8 exponent, npy_int8 &result) {