1 #ifndef _NR_UTILS_H_ 2 #define _NR_UTILS_H_ 3 /* 4 static float sqrarg; 5 #define SQR(a) ((sqrarg=(a)) == 0.0 ? 0.0 : sqrarg*sqrarg) 6 7 static double dsqrarg; 8 #define DSQR(a) ((dsqrarg=(a)) == 0.0 ? 0.0 : dsqrarg*dsqrarg) 9 10 static double dmaxarg1,dmaxarg2; 11 #define DMAX(a,b) (dmaxarg1=(a),dmaxarg2=(b),(dmaxarg1) > (dmaxarg2) ?\ 12 (dmaxarg1) : (dmaxarg2)) 13 14 static double dminarg1,dminarg2; 15 #define DMIN(a,b) (dminarg1=(a),dminarg2=(b),(dminarg1) < (dminarg2) ?\ 16 (dminarg1) : (dminarg2)) 17 18 static float maxarg1,maxarg2; 19 #define FMAX(a,b) (maxarg1=(a),maxarg2=(b),(maxarg1) > (maxarg2) ?\ 20 (maxarg1) : (maxarg2)) 21 22 static float minarg1,minarg2; 23 #define FMIN(a,b) (minarg1=(a),minarg2=(b),(minarg1) < (minarg2) ?\ 24 (minarg1) : (minarg2)) 25 26 static long lmaxarg1,lmaxarg2; 27 #define LMAX(a,b) (lmaxarg1=(a),lmaxarg2=(b),(lmaxarg1) > (lmaxarg2) ?\ 28 (lmaxarg1) : (lmaxarg2)) 29 30 static long lminarg1,lminarg2; 31 #define LMIN(a,b) (lminarg1=(a),lminarg2=(b),(lminarg1) < (lminarg2) ?\ 32 (lminarg1) : (lminarg2)) 33 34 static int imaxarg1,imaxarg2; 35 #define IMAX(a,b) (imaxarg1=(a),imaxarg2=(b),(imaxarg1) > (imaxarg2) ?\ 36 (imaxarg1) : (imaxarg2)) 37 38 static int iminarg1,iminarg2; 39 #define IMIN(a,b) (iminarg1=(a),iminarg2=(b),(iminarg1) < (iminarg2) ?\ 40 (iminarg1) : (iminarg2)) 41 */ 42 #define SIGN(a,b) ((b) >= 0.0 ? fabs(a) : -fabs(a)) 43 44 #if defined(__STDC__) || defined(ANSI) || defined(NRANSI) /* ANSI */ 45 46 void nrerror(char error_text[]); 47 float *vector(long nl, long nh); 48 int *ivector(long nl, long nh); 49 unsigned char *cvector(long nl, long nh); 50 unsigned long *lvector(long nl, long nh); 51 double *dvector(long nl, long nh); 52 float **matrix(long nrl, long nrh, long ncl, long nch); 53 double **dmatrix(long nrl, long nrh, long ncl, long nch); 54 int **imatrix(long nrl, long nrh, long ncl, long nch); 55 float **submatrix(float **a, long oldrl, long oldrh, long oldcl, long oldch, 56 long newrl, long newcl); 57 float **convert_matrix(float *a, long nrl, long nrh, long ncl, long nch); 58 float ***f3tensor(long nrl, long nrh, long ncl, long nch, long ndl, long ndh); 59 void free_vector(float *v, long nl, long nh); 60 void free_ivector(int *v, long nl, long nh); 61 void free_cvector(unsigned char *v, long nl, long nh); 62 void free_lvector(unsigned long *v, long nl, long nh); 63 void free_dvector(double *v, long nl, long nh); 64 void free_matrix(float **m, long nrl, long nrh, long ncl, long nch); 65 void free_dmatrix(double **m, long nrl, long nrh, long ncl, long nch); 66 void free_imatrix(int **m, long nrl, long nrh, long ncl, long nch); 67 void free_submatrix(float **b, long nrl, long nrh, long ncl, long nch); 68 void free_convert_matrix(float **b, long nrl, long nrh, long ncl, long nch); 69 void free_f3tensor(float ***t, long nrl, long nrh, long ncl, long nch, 70 long ndl, long ndh); 71 72 #else /* ANSI */ 73 /* traditional - K&R */ 74 75 void nrerror(); 76 float *vector(); 77 float **matrix(); 78 float **submatrix(); 79 float **convert_matrix(); 80 float ***f3tensor(); 81 double *dvector(); 82 double **dmatrix(); 83 int *ivector(); 84 int **imatrix(); 85 unsigned char *cvector(); 86 unsigned long *lvector(); 87 void free_vector(); 88 void free_dvector(); 89 void free_ivector(); 90 void free_cvector(); 91 void free_lvector(); 92 void free_matrix(); 93 void free_submatrix(); 94 void free_convert_matrix(); 95 void free_dmatrix(); 96 void free_imatrix(); 97 void free_f3tensor(); 98 99 #endif /* ANSI */ 100 101 #endif /* _NR_UTILS_H_ */ 102