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math.c File Reference

Math. More...

Functions
int	caca_rand (int min, int max)
	Generate a random integer within a range.
unsigned int	caca_sqrt (unsigned int a)
	Approximate a square root, using Newton's method to avoid costly floating point calculations.

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Detailed Description

Version:

$Id: math.c 195 2003-12-31 14:21:08Z sam $

Author:

Sam Hocevar <sam@zoy.org> This file contains simple mathematical routines.

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Function Documentation

int caca_rand (  int    min, int    max )

Parameters: min  The lower bound of the integer range. max  The upper bound of the integer range. Returns: A random integer comprised between min and max, inclusive.

unsigned int caca_sqrt (  unsigned int    a )

Parameters: a  A positive integer. Returns: The approximate square root of a.