nrutil.h 3.1 KB

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  1. /* CAUTION: This is the ANSI C (only) version of the Numerical Recipes
  2. utility file nrutil.h. Do not confuse this file with the same-named
  3. file nrutil.h that is supplied in the 'misc' subdirectory.
  4. *That* file is the one from the book, and contains both ANSI and
  5. traditional K&R versions, along with #ifdef macros to select the
  6. correct version. *This* file contains only ANSI C. */
  7. #ifndef _NR_UTILS_H_
  8. #define _NR_UTILS_H_
  9. #define REAL float
  10. static REAL sqrarg;
  11. #define SQR(a) ((sqrarg=(a)) == 0.0 ? 0.0 : sqrarg*sqrarg)
  12. static double dsqrarg;
  13. #define DSQR(a) ((dsqrarg=(a)) == 0.0 ? 0.0 : dsqrarg*dsqrarg)
  14. static double dmaxarg1,dmaxarg2;
  15. #define DMAX(a,b) (dmaxarg1=(a),dmaxarg2=(b),(dmaxarg1) > (dmaxarg2) ?\
  16. (dmaxarg1) : (dmaxarg2))
  17. static double dminarg1,dminarg2;
  18. #define DMIN(a,b) (dminarg1=(a),dminarg2=(b),(dminarg1) < (dminarg2) ?\
  19. (dminarg1) : (dminarg2))
  20. static REAL maxarg1,maxarg2;
  21. #define FMAX(a,b) (maxarg1=(a),maxarg2=(b),(maxarg1) > (maxarg2) ?\
  22. (maxarg1) : (maxarg2))
  23. static REAL minarg1,minarg2;
  24. #define FMIN(a,b) (minarg1=(a),minarg2=(b),(minarg1) < (minarg2) ?\
  25. (minarg1) : (minarg2))
  26. static long lmaxarg1,lmaxarg2;
  27. #define LMAX(a,b) (lmaxarg1=(a),lmaxarg2=(b),(lmaxarg1) > (lmaxarg2) ?\
  28. (lmaxarg1) : (lmaxarg2))
  29. static long lminarg1,lminarg2;
  30. #define LMIN(a,b) (lminarg1=(a),lminarg2=(b),(lminarg1) < (lminarg2) ?\
  31. (lminarg1) : (lminarg2))
  32. static int imaxarg1,imaxarg2;
  33. #define IMAX(a,b) (imaxarg1=(a),imaxarg2=(b),(imaxarg1) > (imaxarg2) ?\
  34. (imaxarg1) : (imaxarg2))
  35. static int iminarg1,iminarg2;
  36. #define IMIN(a,b) (iminarg1=(a),iminarg2=(b),(iminarg1) < (iminarg2) ?\
  37. (iminarg1) : (iminarg2))
  38. #define SIGN(a,b) ((b) >= 0.0 ? fabs(a) : -fabs(a))
  39. void nrerror(char error_text[]);
  40. REAL *vector(long nl, long nh);
  41. int *ivector(long nl, long nh);
  42. unsigned char *cvector(long nl, long nh);
  43. unsigned long *lvector(long nl, long nh);
  44. double *dvector(long nl, long nh);
  45. REAL **matrix(long nrl, long nrh, long ncl, long nch);
  46. double **dmatrix(long nrl, long nrh, long ncl, long nch);
  47. int **imatrix(long nrl, long nrh, long ncl, long nch);
  48. REAL **submatrix(REAL **a, long oldrl, long oldrh, long oldcl, long oldch,
  49. long newrl, long newcl);
  50. REAL **convert_matrix(REAL *a, long nrl, long nrh, long ncl, long nch);
  51. REAL ***f3tensor(long nrl, long nrh, long ncl, long nch, long ndl, long ndh);
  52. void free_vector(REAL *v, long nl, long nh);
  53. void free_ivector(int *v, long nl, long nh);
  54. void free_cvector(unsigned char *v, long nl, long nh);
  55. void free_lvector(unsigned long *v, long nl, long nh);
  56. void free_dvector(double *v, long nl, long nh);
  57. void free_matrix(REAL **m, long nrl, long nrh, long ncl, long nch);
  58. void free_dmatrix(double **m, long nrl, long nrh, long ncl, long nch);
  59. void free_imatrix(int **m, long nrl, long nrh, long ncl, long nch);
  60. void free_submatrix(REAL **b, long nrl, long nrh, long ncl, long nch);
  61. void free_convert_matrix(REAL **b, long nrl, long nrh, long ncl, long nch);
  62. void free_f3tensor(REAL ***t, long nrl, long nrh, long ncl, long nch,
  63. long ndl, long ndh);
  64. #endif /* _NR_UTILS_H_ */