Function Random_Next

src/ExtMath.c:132–148

}

int Random_Next(RNGState* seed, int n) {
	cc_int64 raw;
	int bits, val;

	if ((n & -n) == n) { /* i.e., n is a power of 2 */
		*seed = (*seed * RND_VALUE + 0xBLL) & RND_MASK;
		raw   = (cc_int64)(*seed >> (48 - 31));
		return (int)((n * raw) >> 31);
	}

	do {
		*seed = (*seed * RND_VALUE + 0xBLL) & RND_MASK;
		bits  = (int)(*seed >> (48 - 31));
		val   = bits % n;
	} while (bits - val + (n - 1) < 0);
	return val;
}

float Random_Float(RNGState* seed) {
	int raw;