TP_Utilities.h

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#pragma once
 
/* TwoPunctures:  File  "utilities.h"*/
/* these functions have no dependency on the TP parameters */
 
 
#include <math.h>
#include "libtwopunctures/TwoPunctures.h"
 
namespace TP {
namespace Utilities {
 
#define Pi  3.14159265358979323846264338328
#define Pih 1.57079632679489661923132169164 /* Pi/2*/
#define Piq 0.78539816339744830961566084582 /* Pi/4*/
 
#define TINY 1.0e-20
#define SWAP(a,b) {double temp=(a);(a)=(b);(b)=temp;}
 
void nrerror (char error_text[]);
int *ivector (long nl, long nh);
double *dvector (long nl, long nh);
int **imatrix (long nrl, long nrh, long ncl, long nch);
double **dmatrix (long nrl, long nrh, long ncl, long nch);
double ***d3tensor (long nrl, long nrh, long ncl, long nch, long ndl,
            long ndh);
void free_ivector (int *v, long nl, long nh);
void free_dvector (double *v, long nl, long nh);
void free_imatrix (int **m, long nrl, long nrh, long ncl, long nch);
void free_dmatrix (double **m, long nrl, long nrh, long ncl, long nch);
void free_d3tensor (double ***t, long nrl, long nrh, long ncl, long nch,
            long ndl, long ndh);
 
int minimum2 (int i, int j);
int minimum3 (int i, int j, int k);
int maximum2 (int i, int j);
int maximum3 (int i, int j, int k);
int pow_int (int mantisse, int exponent);
 
void chebft_Zeros (double u[], int n, int inv);
void chebft_Extremes (double u[], int n, int inv);
void chder (double *c, double *cder, int n);
double chebev (double a, double b, double c[], int m, double x);
void fourft (double *u, int N, int inv);
void fourder (double u[], double du[], int N);
void fourder2 (double u[], double d2u[], int N);
double fourev (double *u, int N, double x);
 
double norm1 (double *v, int n);
double norm2 (double *v, int n);
double scalarproduct (double *v, double *w, int n);
 
/*
typedef nrerror TP_nrerror;
typedef ivector TP_ivector;
typedef dvector TP_dvector;
typedef imatrix TP_imatrix;
typedef dmatrix TP_dmatrix;
typedef d3tensor TP_d3tensor;
typedef free_ivector TP_free_ivector;
typedef free_dvector TP_free_dvector;
typedef free_imatrix TP_free_imatrix;
typedef free_dmatrix TP_free_dmatrix;
typedef free_d3tensor TP_free_d3tensor;
*/
 
} // namespac Utilities
} // namespace TP