diff options
| author | eschnett <eschnett@17b73243-c579-4c4c-a9d2-2d5706c11dac> | 2014-02-11 21:26:37 +0000 |
|---|---|---|
| committer | eschnett <eschnett@17b73243-c579-4c4c-a9d2-2d5706c11dac> | 2014-02-11 21:26:37 +0000 |
| commit | 2eeca56690c342587c6f0fd27bb89bc75a5ca75b (patch) | |
| tree | 08d337079b2cce31ce802df656681a30062b02e1 | |
| parent | 4b78f969bc0767b2579227f7014c5f9594c21691 (diff) | |
Separate C and C++ APIs for complex numbers
git-svn-id: http://svn.cactuscode.org/flesh/trunk@5079 17b73243-c579-4c4c-a9d2-2d5706c11dac
| -rw-r--r-- | src/include/cctk_Complex.h | 81 |
1 files changed, 74 insertions, 7 deletions
diff --git a/src/include/cctk_Complex.h b/src/include/cctk_Complex.h index 96eaf17f..f9a7e3cf 100644 --- a/src/include/cctk_Complex.h +++ b/src/include/cctk_Complex.h @@ -11,12 +11,82 @@ #ifndef _CCTK_COMPLEX_H_ #define _CCTK_COMPLEX_H_ +#include "cctk_Config.h" + #ifdef __cplusplus -extern "C" { -#endif +#include <complex> +/* Macro to declare a set of complex functions for a given precision */ +/* Note: We do not declare these as extern "C" since that they are + different from their C counterparts */ +#define DECLARE_CMPLX_FUNCTIONS(CCTK_Cmplx, cctk_real, cctk_complex) \ +static inline cctk_complex CCTK_Cmplx(cctk_real Re, cctk_real Im) { \ + return cctk_complex(Re,Im); \ +} \ +static inline cctk_real CCTK_Cmplx##Real(cctk_complex a) { \ + return std::real(a); \ +} \ +static inline cctk_real CCTK_Cmplx##Imag(cctk_complex a) { \ + return std::imag(a); \ +} \ +static inline cctk_complex CCTK_Cmplx##Neg(cctk_complex a) { \ + return -a; \ +} \ +static inline cctk_complex CCTK_Cmplx##Conjg(cctk_complex a) { \ + return std::conj(a); \ +} \ +static inline cctk_real CCTK_Cmplx##Abs(cctk_complex a) { \ + return std::abs(a); \ +} \ +static inline cctk_real CCTK_Cmplx##Arg(cctk_complex a) { \ + return std::arg(a); \ +} \ +static inline cctk_real CCTK_Cmplx##Norm(cctk_complex a) { \ + return std::norm(a); \ +} \ +static inline cctk_complex CCTK_Cmplx##Add(cctk_complex a, cctk_complex b) { \ + return a+b; \ +} \ +static inline cctk_complex CCTK_Cmplx##Sub(cctk_complex a, cctk_complex b) { \ + return a-b; \ +} \ +static inline cctk_complex CCTK_Cmplx##Mul(cctk_complex a, cctk_complex b) { \ + return a*b; \ +} \ +static inline cctk_complex CCTK_Cmplx##Div(cctk_complex a, cctk_complex b) { \ + return a/b; \ +} \ +static inline cctk_complex CCTK_Cmplx##CPow(cctk_complex a, cctk_complex b) { \ + return pow(a,b); \ +} \ +static inline cctk_complex CCTK_Cmplx##Sin(cctk_complex a) { \ + return std::sin(a); \ +} \ +static inline cctk_complex CCTK_Cmplx##Cos(cctk_complex a) { \ + return std::cos(a); \ +} \ +static inline cctk_complex CCTK_Cmplx##Exp(cctk_complex a) { \ + return std::exp(a); \ +} \ +static inline cctk_complex CCTK_Cmplx##Log(cctk_complex a) { \ + return std::log(a); \ +} \ +static inline cctk_complex CCTK_Cmplx##Sqrt(cctk_complex a) { \ + return std::sqrt(a); \ +} \ +static inline cctk_complex CCTK_Cmplx##Pow(cctk_complex a, cctk_real b) { \ + return std::pow(a,b); \ +} \ +static inline cctk_complex CCTK_Cmplx##IPow(cctk_complex a, int b) { \ + return std::pow(a,(cctk_real)b); \ +} -/* macro to declare a set of complex functions for a given precision */ +#else + +/* Macro to declare a set of complex functions for a given precision */ +/* Note: We do not provide inline implementations here, since this + would require including <complex.h>, which pushes the identifier + "I" into the global namespace. */ #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 a); \ @@ -38,6 +108,7 @@ cctk_complex CCTK_Cmplx##Log (cctk_complex a); \ cctk_complex CCTK_Cmplx##Sqrt (cctk_complex a); \ cctk_complex CCTK_Cmplx##Pow (cctk_complex a, cctk_real b); \ cctk_complex CCTK_Cmplx##IPow (cctk_complex a, int b); +#endif /* declare complex functions for all available precisions */ @@ -120,8 +191,4 @@ DECLARE_CMPLX_FUNCTIONS (CCTK_Cmplx32, CCTK_REAL16, CCTK_COMPLEX32) #define CCTK_CmplxIPow CCTK_Cmplx32IPow #endif -#ifdef __cplusplus -} -#endif - #endif /* _CCTK_COMPLEX_H_ */ |