BImage.h File Reference

#include "..\API\BBApi.h"

Classes
class	BImage

Functions
static unsigned long	bsqrt (unsigned long x)
unsigned long	getSqrt (unsigned int x)

Function Documentation

bsqrt()

static unsigned long bsqrt ( unsigned long x )

static

getSqrt()

unsigned long getSqrt

(

unsigned int

x

)

{
    if (!sqrt_table)
    {
        // build sqrt table for use with elliptic gradient
        sqrt_table = new unsigned long[(256 * 256 * 2) + 1];
 
        for (int i = 0; i < (256 * 256 * 2); i++)
            *(sqrt_table + i) = bsqrt(i);
    }
    return (*(sqrt_table + x));
}