complex.h
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上传日期:2007-06-13
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- /* CAUTION: This is the ANSI C (only) version of the Numerical Recipes
- utility file complex.h. Do not confuse this file with the same-named
- file complex.h that is supplied in the 'misc' subdirectory.
- *That* file is the one from the book, and contains both ANSI and
- traditional K&R versions, along with #ifdef macros to select the
- correct version. *This* file contains only ANSI C. */
- #ifndef _NR_COMPLEX_H_
- #define _NR_COMPLEX_H_
- #ifndef _FCOMPLEX_DECLARE_T_
- typedef struct FCOMPLEX {float r,i;} fcomplex;
- #define _FCOMPLEX_DECLARE_T_
- #endif /* _FCOMPLEX_DECLARE_T_ */
- fcomplex Cadd(fcomplex a, fcomplex b);
- fcomplex Csub(fcomplex a, fcomplex b);
- fcomplex Cmul(fcomplex a, fcomplex b);
- fcomplex Complex(float re, float im);
- fcomplex Conjg(fcomplex z);
- fcomplex Cdiv(fcomplex a, fcomplex b);
- float Cabs(fcomplex z);
- fcomplex Csqrt(fcomplex z);
- fcomplex RCmul(float x, fcomplex a);
- #endif /* _NR_COMPLEX_H_ */