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48 typedef t_complex cvec
[DIM
];
50 static t_complex cnul
= { 0.0, 0.0 };
52 static t_complex
rcmul(real r
, t_complex c
)
62 static t_complex
rcexp(real r
)
73 static t_complex
cadd(t_complex a
, t_complex b
)
83 static t_complex
csub(t_complex a
, t_complex b
)
93 static t_complex
cmul(t_complex a
, t_complex b
)
97 c
.re
= a
.re
*b
.re
- a
.im
*b
.im
;
98 c
.im
= a
.re
*b
.im
+ a
.im
*b
.re
;
103 static t_complex
conjugate(t_complex c
)
113 static real
cabs2(t_complex c
)
116 abs2
= (c
.re
*c
.re
)+(c
.im
*c
.im
);
123 static t_complex
cdiv(t_complex teller
, t_complex noemer
)
125 t_complex res
, anoemer
;
127 anoemer
= cmul(conjugate(noemer
), noemer
);
128 res
= cmul(teller
, conjugate(noemer
));
130 return rcmul(1.0/anoemer
.re
, res
);