Function FastLogf

library/cpp/fast_log/fast_log.h:84–86

* @returns Base e logarithm of the value. * This is fast, inline and quite accurate algorithm. * Accuracy: ~1.e-5 * Speed: ~3x over logf() */

 *              Speed: ~3x over logf()
 */
static inline float FastLogf(float value) noexcept {
    return 0.69314718f * FastLog2f(value);
}

/**
 * @returns     Base 2 logarithm of the value.