# MATH_CountPopulation

## C Specification

      #include <nitro/math.h>

      u8 MATH_CountPopulation( u32 x );

## Arguments

x | The value to scan

## Return Values

The number of `1` bits.

## Description

This function scans the data of a 32-bit quantity and determines the number of bits that are set to 1. 0xf0f0f0f0 and 0x55555555 are both 16.

## See Also

`MATH_CountLeadingZeros
`

## Revision History

12/14/2004 Initial version.