Function das_clz

include/daScript/misc/platform.h:157–161

#if defined(_MSC_VER)
    __forceinline uint32_t das_clz(uint32_t x) {
        unsigned long r = 0;
        _BitScanReverse(&r, x);
        return uint32_t(31 - r);
    }
    __forceinline uint32_t das_ctz(uint32_t x) {
        unsigned long r = 0;
        _BitScanForward(&r, x);