math_util.h

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/* $Id: math_util.h,v 1.6 2005/08/02 19:35:49 jonathan Exp $
 * Jonathan Ledlie, Harvard University.
 * Copyright 2005.  All rights reserved.
 */

#ifndef MATH_UTIL_H
#define MATH_UTIL_H

//#include <sunmath.h>

#include <vector>
#include <math.h>
using namespace::std;

#define Long long long
//#define drand48() ((double)rand()/RAND_MAX)
#define Rand() drand48()
#define SRand(c) srand48(c)
#define ABS(x) ((x > 0) ? x : -1*x)



double randPct ();
int poisson (int mean);
double poisson (double mean);
int unifRand (int a, int b);
double mean (vector<double> v);
double stddev (vector<double> v, double mean);
double square (double x);

#endif