03f229b314
In many cases, only one of std::complex<double> and std::complex<float> is used, so while we continue to define typemaps for both by default, for compatibility with the other modules, add a possibility to avoid generating the code for the unwanted specialization by predefining the corresponding SWIG_NO_STD_COMPLEX_$TYPE before including this file.
62 lines
1.9 KiB
OpenEdge ABL
62 lines
1.9 KiB
OpenEdge ABL
%{
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#include <complex>
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%}
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namespace std {
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// An extremely simplified subset of std::complex<> which contains just the
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// methods we need.
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template<typename T>
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class complex
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{
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public:
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complex(T re, T im);
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T real() const;
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T imag() const;
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};
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} // namespace std
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%define swig_complex_typemaps(T)
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%typemap(cstype) std::complex<T>, std::complex<T>*, const std::complex<T>& "System.Numerics.Complex"
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// The casts in "pre" are needed in order to allow creating std::complex<float>
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// from System.Numerics.Complex, which always uses doubles. It relies on the
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// fact that the name of the C++ and C# float/double types are the same.
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%typemap(csin,
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pre=" var cpp$csinput = new Complex_" #T "((" #T ")$csinput.Real, (" #T ")$csinput.Imaginary);"
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) std::complex<T>, std::complex<T>*, const std::complex<T>& "Complex_" #T ".getCPtr(cpp$csinput)"
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%typemap(csout, excode=SWIGEXCODE) std::complex<T>, const std::complex<T>& {
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Complex_##T cppret = new Complex_##T($imcall, $owner);$excode
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return new System.Numerics.Complex(cppret.real(), cppret.imag());
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}
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%typemap(csvarin, excode=SWIGEXCODE2) std::complex<T>*, const std::complex<T>& %{
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set {
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var cppvalue = new Complex_##T((T)value.Real, (T)value.Imaginary);
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$imcall;$excode
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}
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%}
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%typemap(csvarout, excode=SWIGEXCODE2) std::complex<T>*, const std::complex<T>& %{
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get {
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var cppret = new Complex_##T($imcall, $owner);$excode
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return new System.Numerics.Complex(cppret.real(), cppret.imag());
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}
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%}
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%template(Complex_##T) std::complex<T>;
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%enddef
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// By default, typemaps for both std::complex<double> and std::complex<float>
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// are defined, but one of them can be disabled by predefining the
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// corresponding symbol before including this file.
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#ifndef SWIG_NO_STD_COMPLEX_DOUBLE
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swig_complex_typemaps(double)
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#endif
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#ifndef SWIG_NO_STD_COMPLEX_FLOAT
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swig_complex_typemaps(float)
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#endif
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