numerics.c File Reference

#include <gandalf/common/numerics.h>
#include <gandalf/common/allocate.h>
#include <gandalf/common/misc_error.h>
#include <math.h>
#include <string.h>

Defines
#define	ADDRESS(i)   ((void *)CHADDR(i))
#define	CHADDR(i)   ((void *)(&(((char *)base)[(i)*size])))
#define	SWAP(i, j)   {memcpy(tmpbuf,CHADDR(i),size); memcpy(CHADDR(i),CHADDR(j),size); memcpy(CHADDR(j),tmpbuf,size);}
Functions
double	gan_sqr_d (double x)
	Real square function.
float	gan_sqr_f (float x)
	Real square function (single precision).
int	gan_sqr_i (int x)
	Integer square function.
unsigned	gan_sqr_ui (unsigned x)
	Unsigned integer square function.
long	gan_sqr_l (long x)
	Long integer square function.
double	gan_cbrt (double x)
	Real cube root function.
double	gan_normal_sample (double mu, double sigma)
	Returns a sample of a normally distributed random variable.
int	gan_solve_quadratic (double a, double b, double c, Gan_Complex x[2])
	Find roots of a quadratic equation with real coefficients.
int	gan_solve_cubic (double a, double b, double c, double d, Gan_Complex x[3])
	Find roots of a cubic equation with real coefficients.
void *	gan_kth_highest (void *base, size_t nmemb, size_t size, unsigned int k, int(*compar)(const void *, const void *))
	Return k'th highest element of an array.

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Detailed Description

Module: Numerical functions

Part of: Gandalf Library

Version:

1.20

Date:

2005/10/18 22:01:50

Author:

pm

Copyright: (c) 2000 Imagineer Software Limited

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