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