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