mirror of https://github.com/swig/swig
117 lines
3.0 KiB
Plaintext
117 lines
3.0 KiB
Plaintext
/*
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Defines the As/From converters for double/float complex, you need to
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provide complex Type, the Name you want to use in the converters,
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the complex Constructor method, and the Real and Imag complex
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accessor methods.
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See the std_complex.i and ccomplex.i for concrete examples.
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*/
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/* the common from converter */
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%define %swig_fromcplx_conv(Type, Real, Imag)
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%fragment(SWIG_From_frag(Type),"header",
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fragment=SWIG_From_frag(double))
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{
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SWIGINTERNINLINE Napi::Value
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SWIG_From_dec(Type)(%ifcplusplus(const Type&, Type) c)
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{
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Napi::Array vals = Napi::Array::New(0);
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vals.Set(0, SWIG_From(double)(Real(c)));
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vals.Set(1, SWIG_From(double)(Imag(c)));
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return vals;
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}
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}
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%enddef
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/* the double case */
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%define %swig_cplxdbl_conv(Type, Constructor, Real, Imag)
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%fragment(SWIG_AsVal_frag(Type),"header",
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fragment=SWIG_AsVal_frag(double))
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{
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SWIGINTERN int
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SWIG_AsVal_dec(Type) (Napi::Value o, Type* val)
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{
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if (o.IsArray()) {
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Napi::Array array = Napi::Array::Cast(o);
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if (array->Length() != 2) SWIG_Error(SWIG_TypeError, "Illegal argument for complex: must be array[2].");
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double re, im;
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Napi::Value r;
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r = array.Get(0);
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if (!r.IsNumber()) {
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return SWIG_TypeError;
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}
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re = r.ToNumber().DoubleValue();
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r = array.Get(1);
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if (!r.IsNumber()) {
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return SWIG_TypeError;
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}
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im = r.ToNumber().DoubleValue();
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if (val) *val = Constructor(re, im);
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return SWIG_OK;
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} else if (o.IsNumber()) {
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double d = o.ToNumber().DoubleValue();
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if (val) *val = Constructor(d, 0.0);
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return SWIG_OK;
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}
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return SWIG_TypeError;
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}
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}
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%swig_fromcplx_conv(Type, Real, Imag);
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%enddef
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/* the float case */
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%define %swig_cplxflt_conv(Type, Constructor, Real, Imag)
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%fragment(SWIG_AsVal_frag(Type),"header",
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fragment=SWIG_AsVal_frag(float)) {
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SWIGINTERN int
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SWIG_AsVal_dec(Type) (Napi::Value o, Type* val)
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{
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if (o.IsArray()) {
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Napi::Array array = o.As<Napi::Array>();
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if (array.Length() != 2) SWIG_Error(SWIG_TypeError, "Illegal argument for complex: must be array[2].");
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double re, im;
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Napi::Value r;
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r = array.Get(0);
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if (!r.IsNumber()) {
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return SWIG_TypeError;
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}
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re = r.ToNumber().DoubleValue();
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r = array.Get(1);
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if (!r.IsNumber()) {
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return SWIG_TypeError;
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}
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im = r.ToNumber().DoubleValue();
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if ((-FLT_MAX <= re && re <= FLT_MAX) && (-FLT_MAX <= im && im <= FLT_MAX)) {
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if (val) *val = Constructor(%numeric_cast(re, float),
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%numeric_cast(im, float));
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return SWIG_OK;
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} else {
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return SWIG_OverflowError;
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}
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} else if (o.IsNumber()) {
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float f = static_cast<float>(o.ToNumber().DoubleValue());
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if (val) *val = Constructor(f, 0.0);
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return SWIG_OK;
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}
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return SWIG_TypeError;
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}
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}
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%swig_fromcplx_conv(Type, Real, Imag);
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%enddef
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#define %swig_cplxflt_convn(Type, Constructor, Real, Imag) \
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%swig_cplxflt_conv(Type, Constructor, Real, Imag)
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#define %swig_cplxdbl_convn(Type, Constructor, Real, Imag) \
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%swig_cplxdbl_conv(Type, Constructor, Real, Imag)
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