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37 #ifndef GMX_MATH_GMXCOMPLEX_H
38 #define GMX_MATH_GMXCOMPLEX_H
42 #include "gromacs/math/vectypes.h"
43 #include "gromacs/utility/real.h"
50 static t_complex rcmul(real r, t_complex c)
60 static inline t_complex rcexp(real r)
71 static inline t_complex cadd(t_complex a, t_complex b)
81 static inline t_complex csub(t_complex a, t_complex b)
91 static t_complex cmul(t_complex a, t_complex b)
95 c.re = a.re * b.re - a.im * b.im;
96 c.im = a.re * b.im + a.im * b.re;
101 static t_complex conjugate(t_complex c)
111 static inline real cabs2(t_complex c)
114 abs2 = (c.re * c.re) + (c.im * c.im);
119 static inline t_complex cdiv(t_complex teller, t_complex noemer)
121 t_complex res, anoemer;
123 anoemer = cmul(conjugate(noemer), noemer);
124 res = cmul(teller, conjugate(noemer));
126 return rcmul(1.0 / anoemer.re, res);
129 inline bool operator==(const t_complex& lhs, const t_complex& rhs)
131 return (lhs.re == rhs.re) && (lhs.im == rhs.im);
133 inline bool operator!=(const t_complex& lhs, const t_complex& rhs)
135 return !(lhs == rhs);