/* CAUTION: This is the combined ANSI and traditional K&R C version
   of the Numerical Recipes utility file nrutil.h.  Do not confuse
   this file with the same-named file nrutil.h that is supplied in
   the 'include' subdirectory.  *That* file contains only ANSI.
   *This* file contains both ANSI and traditional K&R versions,
   along with #ifdef macros to select the correct version.                */

#ifndef _NR_UTILS_H_
#define _NR_UTILS_H_

static float sqrarg;
#define SQR(a) ((sqrarg=(a)) == 0.0 ? 0.0 : sqrarg*sqrarg)

static double dsqrarg;
#define DSQR(a) ((dsqrarg=(a)) == 0.0 ? 0.0 : dsqrarg*dsqrarg)

static double dmaxarg1,dmaxarg2;
#define DMAX(a,b) (dmaxarg1=(a),dmaxarg2=(b),(dmaxarg1) > (dmaxarg2) ?\
        (dmaxarg1) : (dmaxarg2))

static double dminarg1,dminarg2;
#define DMIN(a,b) (dminarg1=(a),dminarg2=(b),(dminarg1) < (dminarg2) ?\
        (dminarg1) : (dminarg2))

static float maxarg1,maxarg2;
#define FMAX(a,b) (maxarg1=(a),maxarg2=(b),(maxarg1) > (maxarg2) ?\
        (maxarg1) : (maxarg2))

static float minarg1,minarg2;
#define FMIN(a,b) (minarg1=(a),minarg2=(b),(minarg1) < (minarg2) ?\
        (minarg1) : (minarg2))

static long lmaxarg1,lmaxarg2;
#define LMAX(a,b) (lmaxarg1=(a),lmaxarg2=(b),(lmaxarg1) > (lmaxarg2) ?\
        (lmaxarg1) : (lmaxarg2))

static long lminarg1,lminarg2;
#define LMIN(a,b) (lminarg1=(a),lminarg2=(b),(lminarg1) < (lminarg2) ?\
        (lminarg1) : (lminarg2))

static int imaxarg1,imaxarg2;
#define IMAX(a,b) (imaxarg1=(a),imaxarg2=(b),(imaxarg1) > (imaxarg2) ?\
        (imaxarg1) : (imaxarg2))

static int iminarg1,iminarg2;
#define IMIN(a,b) (iminarg1=(a),iminarg2=(b),(iminarg1) < (iminarg2) ?\
        (iminarg1) : (iminarg2))

#define SIGN(a,b) ((b) >= 0.0 ? fabs(a) : -fabs(a))

#if defined(__STDC__) || defined(ANSI) || defined(NRANSI) /* ANSI */

void nrerror(char error_text[]);
float *vector0(long nl, long nh);
int *ivector0(long nl, long nh);
unsigned char *cvector0(long nl, long nh);
unsigned long *lvector0(long nl, long nh);
double *dvector0(long nl, long nh);
float **matrix0(long nrl, long nrh, long ncl, long nch);
double **dmatrix0(long nrl, long nrh, long ncl, long nch);
int **imatrix0(long nrl, long nrh, long ncl, long nch);
float **submatrix0(float **a, long oldrl, long oldrh, long oldcl, long oldch,
	long newrl, long newcl);
float **convert_matrix0(float *a, long nrl, long nrh, long ncl, long nch);
float ***f3tensor(long nrl, long nrh, long ncl, long nch, long ndl, long ndh);
void free_vector0(float *v, long nl, long nh);
void free_ivector0(int *v, long nl, long nh);
void free_cvector0(unsigned char *v, long nl, long nh);
void free_lvector0(unsigned long *v, long nl, long nh);
void free_dvector0(double *v, long nl, long nh);
void free_matrix0(float **m, long nrl, long nrh, long ncl, long nch);
void free_dmatrix0(double **m, long nrl, long nrh, long ncl, long nch);
void free_imatrix0(int **m, long nrl, long nrh, long ncl, long nch);
void free_submatrix0(float **b, long nrl, long nrh, long ncl, long nch);
void free_convert_matrix0(float **b, long nrl, long nrh, long ncl, long nch);
void free_f3tensor(float ***t, long nrl, long nrh, long ncl, long nch,
	long ndl, long ndh);

#else /* ANSI */
/* traditional - K&R */

void nrerror();
float *vector0();
float **matrix0();
float **submatrix0();
float **convert_matrix0();
float ***f3tensor();
double *dvector0();
double **dmatrix0();
int *ivector0();
int **imatrix0();
unsigned char *cvector0();
unsigned long *lvector0();
void free_vector0();
void free_dvector0();
void free_ivector0();
void free_cvector0();
void free_lvector0();
void free_matrix0();
void free_submatrix0();
void free_convert_matrix0();
void free_dmatrix0();
void free_imatrix0();
void free_f3tensor();

#endif /* ANSI */

#endif /* _NR_UTILS_H_ */