mirror of
https://github.com/nillerusr/source-engine.git
synced 2024-12-26 08:06:58 +00:00
130 lines
3.2 KiB
Plaintext
130 lines
3.2 KiB
Plaintext
/*
|
|
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 concrete examples.
|
|
*/
|
|
|
|
/*
|
|
Ruby does not have native complex numbers. They are an extension in the
|
|
STD library.
|
|
*/
|
|
%{
|
|
static VALUE swig_rb_cComplex = Qnil;
|
|
static ID swig_real_id = 0;
|
|
static ID swig_imag_id = 0;
|
|
|
|
int Ruby_Is_Complex( VALUE obj )
|
|
{
|
|
return ( (rb_respond_to( obj, swig_real_id ) == Qtrue) &&
|
|
(rb_respond_to( obj, swig_imag_id ) == Qtrue) );
|
|
}
|
|
%}
|
|
|
|
%init {
|
|
rb_require("complex");
|
|
swig_rb_cComplex = rb_const_get( rb_cObject, rb_intern("Complex") );
|
|
if( swig_rb_cComplex == Qnil )
|
|
rb_warn("Ruby's complex.so not found");
|
|
swig_real_id = rb_intern("real");
|
|
swig_imag_id = rb_intern("imag");
|
|
}
|
|
|
|
/* the common from conversor */
|
|
%define %swig_fromcplx_conv(Type, Real, Imag)
|
|
%fragment(SWIG_From_frag(Type),"header")
|
|
{
|
|
SWIGINTERNINLINE VALUE
|
|
SWIG_From(Type)(%ifcplusplus(const Type&, Type) c)
|
|
{
|
|
VALUE args[] = {
|
|
rb_float_new(Real(c)),
|
|
rb_float_new(Imag(c))
|
|
};
|
|
return rb_class_new_instance(2, args, swig_rb_cComplex);
|
|
}
|
|
}
|
|
%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) (VALUE o, Type* val)
|
|
{
|
|
if ( Ruby_Is_Complex( o ) ) {
|
|
if (val) {
|
|
VALUE real = rb_funcall(o, swig_real_id, 0 );
|
|
VALUE imag = rb_funcall(o, swig_imag_id, 0 );
|
|
double re = 0;
|
|
SWIG_AsVal_double( real, &re );
|
|
double im = 0;
|
|
SWIG_AsVal_double( imag, &im );
|
|
*val = Constructor(re, im);
|
|
}
|
|
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),
|
|
fragment=SWIG_AsVal_frag(double)) {
|
|
SWIGINTERN int
|
|
SWIG_AsVal(Type)(VALUE o, Type *val)
|
|
{
|
|
if ( Ruby_Is_Complex( o ) ) {
|
|
VALUE real = rb_funcall(o, swig_real_id, 0 );
|
|
VALUE imag = rb_funcall(o, swig_imag_id, 0 );
|
|
double re = 0;
|
|
SWIG_AsVal_double( real, &re );
|
|
double im = 0;
|
|
SWIG_AsVal_double( imag, &im );
|
|
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)
|
|
|
|
|