#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 *vector(long nl, long nh);int *ivector(long nl, long nh);unsigned char *cvector(long nl, long nh);unsigned long *lvector(long nl, long nh);double *dvector(long nl, long nh);float **matrix(long nrl, long nrh, long ncl, long nch);double **dmatrix(long nrl, long nrh, long ncl, long nch);int **imatrix(long nrl, long nrh, long ncl, long nch);float **submatrix(float **a, long oldrl, long oldrh, long oldcl, long oldch,	long newrl, long newcl);float **convert_matrix(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_vector(float *v, long nl, long nh);void free_ivector(int *v, long nl, long nh);void free_cvector(unsigned char *v, long nl, long nh);void free_lvector(unsigned long *v, long nl, long nh);void free_dvector(double *v, long nl, long nh);void free_matrix(float **m, long nrl, long nrh, long ncl, long nch);void free_dmatrix(double **m, long nrl, long nrh, long ncl, long nch);void free_imatrix(int **m, long nrl, long nrh, long ncl, long nch);void free_submatrix(float **b, long nrl, long nrh, long ncl, long nch);void free_convert_matrix(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 *vector();float **matrix();float **submatrix();float **convert_matrix();float ***f3tensor();double *dvector();double **dmatrix();int *ivector();int **imatrix();unsigned char *cvector();unsigned long *lvector();void free_vector();void free_dvector();void free_ivector();void free_cvector();void free_lvector();void free_matrix();void free_submatrix();void free_convert_matrix();void free_dmatrix();void free_imatrix();void free_f3tensor();#endif /* ANSI */#endif /* _NR_UTILS_H_ */