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beginning to fold in HOD code with jeremy tinker's approval

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P.M. Sutter 2013-12-30 22:48:07 -06:00
parent d8108d3a8e
commit 44cd0eb71f
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26
c_tools/hod/complex.h Normal file
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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_ */