Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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/*
Defines the As/From conversors for double/float complex, you need to
provide complex Type, the Name you want to use in the conversors,
the complex Constructor method, and the Real and Imag complex
accesor methods.
See the std_complex.i and ccomplex.i for concret examples.
*/
/* the common from conversor */
%define %swig_fromcplx_conv(Type, Real, Imag)
%fragment(SWIG_From_frag(Type),"header")
{
SWIGINTERNINLINE PyObject*
SWIG_From(Type)(%ifcplusplus(const Type&, Type) c)
{
return PyComplex_FromDoubles(Real(c), Imag(c));
}
}
%enddef
/* the double case */
%define %swig_cplxdbl_conv(Type, Constructor, Real, Imag)
%fragment(SWIG_AsVal_frag(Type),"header",
fragment=SWIG_AsVal_frag(double))
{
SWIGINTERN int
SWIG_AsVal(Type) (PyObject *o, Type* val)
{
if (PyComplex_Check(o)) {
if (val) *val = Constructor(PyComplex_RealAsDouble(o), PyComplex_ImagAsDouble(o));
return SWIG_OK;
} else {
double d;
int res = SWIG_AddCast(SWIG_AsVal(double)(o, &d));
if (SWIG_IsOK(res)) {
if (val) *val = Constructor(d, 0.0);
return res;
}
}
return SWIG_TypeError;
}
}
%swig_fromcplx_conv(Type, Real, Imag);
%enddef
/* the float case */
%define %swig_cplxflt_conv(Type, Constructor, Real, Imag)
%fragment(SWIG_AsVal_frag(Type),"header",
fragment=SWIG_AsVal_frag(float)) {
SWIGINTERN int
SWIG_AsVal(Type)(PyObject *o, Type *val)
{
if (PyComplex_Check(o)) {
double re = PyComplex_RealAsDouble(o);
double im = PyComplex_ImagAsDouble(o);
if ((-FLT_MAX <= re && re <= FLT_MAX) && (-FLT_MAX <= im && im <= FLT_MAX)) {
if (val) *val = Constructor(%numeric_cast(re, float),
%numeric_cast(im, float));
return SWIG_OK;
} else {
return SWIG_OverflowError;
}
} else {
float re;
int res = SWIG_AddCast(SWIG_AsVal(float)(o, &re));
if (SWIG_IsOK(res)) {
if (val) *val = Constructor(re, 0.0);
return res;
}
}
return SWIG_TypeError;
}
}
%swig_fromcplx_conv(Type, Real, Imag);
%enddef
#define %swig_cplxflt_convn(Type, Constructor, Real, Imag) \
%swig_cplxflt_conv(Type, Constructor, Real, Imag)
#define %swig_cplxdbl_convn(Type, Constructor, Real, Imag) \
%swig_cplxdbl_conv(Type, Constructor, Real, Imag)