Snippets

Useful things that I often forget.

• ulog2 - Binary search based binary logarithm calculation.
• is_pow2 - Simple power of 2 check.
• index_2d - 2D index into a 1D array.
• abs - Branch free absolute value for two's complement integers and IEEE-754.
• is_even - Two's complement integer parity checks.
• to_human_readable - Convert an unsigned integer byte count to a human readable string.
• rsqrt - Fast approximate inverse square root for IEEE-754.
• clamp - Branch free integer clamp.