Function int_as_float

external/astc-encoder/Source/astcenc_mathlib.h:374–379

* @brief Integer bit-interpreted as an SP float. * * @param v The value to bitcast. * * @return The converted value. */

 * @return The converted value.
 */
static inline float int_as_float(int v)
{
	union { int a; float b; } u;
	u.a = v;
	return u.b;
}

/**
 * @brief Fast approximation of 1.0 / sqrt(val).