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Better C++ support (#254) #255
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maazl
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Original file line number | Diff line number | Diff line change |
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@@ -50,16 +50,22 @@ | |
#include <stdio.h> | ||
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#ifdef __cplusplus | ||
# if __cplusplus >= 201103L && defined(FFTW_cpp_complex) | ||
# include <complex> | ||
# define FFTW_DEFINE_COMPLEX(R, C) typedef ::std::complex<R> C | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Naive question: What is the difference between |
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# endif | ||
extern "C" | ||
{ | ||
#endif /* __cplusplus */ | ||
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#ifndef FFTW_DEFINE_COMPLEX | ||
/* If <complex.h> is included, use the C99 complex type. Otherwise | ||
define a type bit-compatible with C99 complex */ | ||
#if !defined(FFTW_NO_Complex) && defined(_Complex_I) && defined(complex) && defined(I) | ||
# define FFTW_DEFINE_COMPLEX(R, C) typedef R _Complex C | ||
#else | ||
# define FFTW_DEFINE_COMPLEX(R, C) typedef R C[2] | ||
# if !defined(FFTW_NO_Complex) && defined(_Complex_I) && defined(complex) && defined(I) | ||
# define FFTW_DEFINE_COMPLEX(R, C) typedef R _Complex C | ||
# else | ||
# define FFTW_DEFINE_COMPLEX(R, C) typedef R C[2] | ||
# endif | ||
#endif | ||
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#define FFTW_CONCAT(prefix, name) prefix ## name | ||
|
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Add these to cmake (and autotools)
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You wouldn't need them for compiling FFTW itself…
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Oh, good point. But still they need to be included in cmake export and pkg-config. Or at least documented somewhere
Edit: This could look like:
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They wouldn't be in pkg-config etcetera because you would need to enable this API in manually user code — it can't be turned on automatically, since that would break backwards compatibility. Definitely would need docs, however.