1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
/*@@
@header cctk_Complex.h
@date Tue Dec 14 12:28:05 1999
@author Tom Goodale
@desc
Prototypes for complex numbers.
@enddesc
@version $Header$
@@*/
#ifndef _CCTK_COMPLEX_H_
#define _CCTK_COMPLEX_H_
#ifdef __cplusplus
extern "C"
{
#endif
/* a macro which expands to nothing */
#ifdef NOTHING
#undef NOTHING
#endif
#define NOTHING
/* macro to declare a set of complex functions for a given precision */
#define DECLARE_CMPLX_FUNCTIONS(CCTK_Cmplx, cctk_real, cctk_complex) \
cctk_complex CCTK_Cmplx (cctk_real Re, cctk_real Im); \
cctk_real CCTK_Cmplx##Real (cctk_complex complex_number); \
cctk_real CCTK_Cmplx##Imag (cctk_complex complex_number); \
cctk_complex CCTK_Cmplx##Conjg (cctk_complex complex_number); \
cctk_real CCTK_Cmplx##Abs (cctk_complex complex_number); \
cctk_complex CCTK_Cmplx##Add (cctk_complex a, cctk_complex b); \
cctk_complex CCTK_Cmplx##Sub (cctk_complex a, cctk_complex b); \
cctk_complex CCTK_Cmplx##Mul (cctk_complex a, cctk_complex b); \
cctk_complex CCTK_Cmplx##Div (cctk_complex a, cctk_complex b); \
cctk_complex CCTK_Cmplx##Sin (cctk_complex complex_number); \
cctk_complex CCTK_Cmplx##Cos (cctk_complex complex_number); \
cctk_complex CCTK_Cmplx##Exp (cctk_complex complex_number); \
cctk_complex CCTK_Cmplx##Sqrt (cctk_complex complex_number);
/* declare complex functions for all available precisions */
#ifdef CCTK_REAL4
DECLARE_CMPLX_FUNCTIONS (CCTK_Cmplx8, CCTK_REAL4, CCTK_COMPLEX8)
#endif
#ifdef CCTK_REAL8
DECLARE_CMPLX_FUNCTIONS (CCTK_Cmplx16, CCTK_REAL8, CCTK_COMPLEX16)
#endif
#ifdef CCTK_REAL16
DECLARE_CMPLX_FUNCTIONS (CCTK_Cmplx32, CCTK_REAL16, CCTK_COMPLEX32)
#endif
/* get the default precision for complex numbers */
#ifdef CCTK_REAL_PRECISION_4
#define CCTK_COMPLEX_PRECISION 8
#elif CCTK_REAL_PRECISION_8
#define CCTK_COMPLEX_PRECISION 16
#elif CCTK_REAL_PRECISION_16
#define CCTK_COMPLEX_PRECISION 32
#endif
/* finally declare the default precision complex functions */
#define CCTK_Cmplx CCTK_Cmplx_(CCTK_COMPLEX_PRECISION, NOTHING)
#define CCTK_CmplxReal CCTK_Cmplx_(CCTK_COMPLEX_PRECISION, Real)
#define CCTK_CmplxImag CCTK_Cmplx_(CCTK_COMPLEX_PRECISION, Imag)
#define CCTK_CmplxConjg CCTK_Cmplx_(CCTK_COMPLEX_PRECISION, Conjg)
#define CCTK_CmplxAbs CCTK_Cmplx_(CCTK_COMPLEX_PRECISION, Abs)
#define CCTK_CmplxAdd CCTK_Cmplx_(CCTK_COMPLEX_PRECISION, Add)
#define CCTK_CmplxSub CCTK_Cmplx_(CCTK_COMPLEX_PRECISION, Sub)
#define CCTK_CmplxMul CCTK_Cmplx_(CCTK_COMPLEX_PRECISION, Mul)
#define CCTK_CmplxDiv CCTK_Cmplx_(CCTK_COMPLEX_PRECISION, Div)
#define CCTK_Cmplx_(precision, function) CCTK_Cmplx__(precision, function)
#define CCTK_Cmplx__(precision, function) CCTK_Cmplx##precision##function
#ifdef __cplusplus
}
#endif
#endif /* __CCTK_COMPLEX_H_ */
|
