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Add std_complex.i for C# too

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For consistency with the other modules (Python, Ruby and JS), allow including
<std_complex.i> directly when using C# too instead of including <complex.i>
which only works in C++ mode (i.e. when using std::complex) anyhow with C# for
now.
This commit is contained in:
Vadim Zeitlin 2017-04-14 19:23:31 +02:00
commit 485efd511f
2 changed files with 57 additions and 56 deletions
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59
Lib/csharp/complex.i
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@ -1,58 +1,5 @@
#ifndef __cplusplus
#ifdef __cplusplus
%include <std_complex.i>
#else
#error C# module only supports complex in C++ mode.
#endif
%{
#include <complex>
%}
namespace std {
// An extremely simplified subset of std::complex<> which contains just the
// methods we need.
template<typename T>
class complex
{
public:
complex(T re, T im);
T real() const;
T imag() const;
};
} // namespace std
%define swig_complex_typemaps(T)
%typemap(cstype) std::complex<T>, std::complex<T>*, const std::complex<T>& "System.Numerics.Complex"
// The casts in "pre" are needed in order to allow creating std::complex<float>
// from System.Numerics.Complex, which always uses doubles. It relies on the
// fact that the name of the C++ and C# float/double types are the same.
%typemap(csin,
pre=" var cpp$csinput = new Complex_" #T "((" #T ")$csinput.Real, (" #T ")$csinput.Imaginary);"
) std::complex<T>, std::complex<T>*, const std::complex<T>& "Complex_" #T ".getCPtr(cpp$csinput)"
%typemap(csout, excode=SWIGEXCODE) std::complex<T>, const std::complex<T>& {
Complex_##T cppret = new Complex_##T($imcall, $owner);$excode
return new System.Numerics.Complex(cppret.real(), cppret.imag());
}
%typemap(csvarin, excode=SWIGEXCODE2) std::complex<T>* %{
set {
var cppvalue = new Complex_##T((T)value.Real, (T)value.Imaginary);
$imcall;$excode
}
%}
%typemap(csvarout, excode=SWIGEXCODE2) std::complex<T>* %{
get {
var cppret = new Complex_##T($imcall, $owner);$excode
return new System.Numerics.Complex(cppret.real(), cppret.imag());
}
%}
%template(Complex_##T) std::complex<T>;
%enddef
swig_complex_typemaps(double)
swig_complex_typemaps(float)

54
Lib/csharp/std_complex.i Normal file
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@ -0,0 +1,54 @@
%{
#include <complex>
%}
namespace std {
// An extremely simplified subset of std::complex<> which contains just the
// methods we need.
template<typename T>
class complex
{
public:
complex(T re, T im);
T real() const;
T imag() const;
};
} // namespace std
%define swig_complex_typemaps(T)
%typemap(cstype) std::complex<T>, std::complex<T>*, const std::complex<T>& "System.Numerics.Complex"
// The casts in "pre" are needed in order to allow creating std::complex<float>
// from System.Numerics.Complex, which always uses doubles. It relies on the
// fact that the name of the C++ and C# float/double types are the same.
%typemap(csin,
pre=" var cpp$csinput = new Complex_" #T "((" #T ")$csinput.Real, (" #T ")$csinput.Imaginary);"
) std::complex<T>, std::complex<T>*, const std::complex<T>& "Complex_" #T ".getCPtr(cpp$csinput)"
%typemap(csout, excode=SWIGEXCODE) std::complex<T>, const std::complex<T>& {
Complex_##T cppret = new Complex_##T($imcall, $owner);$excode
return new System.Numerics.Complex(cppret.real(), cppret.imag());
}
%typemap(csvarin, excode=SWIGEXCODE2) std::complex<T>* %{
set {
var cppvalue = new Complex_##T((T)value.Real, (T)value.Imaginary);
$imcall;$excode
}
%}
%typemap(csvarout, excode=SWIGEXCODE2) std::complex<T>* %{
get {
var cppret = new Complex_##T($imcall, $owner);$excode
return new System.Numerics.Complex(cppret.real(), cppret.imag());
}
%}
%template(Complex_##T) std::complex<T>;
%enddef
swig_complex_typemaps(double)
swig_complex_typemaps(float)