Function clz32

Source/astcenc_mathlib_softfloat.cpp:37–46

Idiomatic count-leading zeros, generates native instruction on modern compilers. */

/* Idiomatic count-leading zeros, generates native instruction on modern compilers. */
static uint32_t clz32(uint32_t inp)
{
    uint32_t count = 32;
    while (inp)
    {
        inp >>= 1;
        count--;
    }
    return count;
}

/* the five rounding modes that IEEE-754r defines */
typedef enum