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/*
FALCON - The Falcon Programming Language.
FILE: complex_ext.cpp
Complex class for Falcon
Interface extension functions
-------------------------------------------------------------------
Author: Enrico Lumetti
Begin: Sat, 05 Sep 2009 21:04:31 +0000
-------------------------------------------------------------------
(C) Copyright 2009: the FALCON developers (see list in AUTHORS file)
See LICENSE file for licensing details.
*/
/** \file
Complex class for Falcon
Interface extension functions
*/
/*#
@beginmodule core
*/
#include "core_module.h"
namespace Falcon {
namespace core {
CoreObject *Complex_Factory( const CoreClass *cls, void *, bool )
{
return new CoreComplex ( cls );
}
CoreComplex::~CoreComplex ( void )
{ }
bool CoreComplex::hasProperty( const String &key ) const
{
uint32 pos = 0;
return generator()->properties().findKey( key, pos );
}
bool CoreComplex::setProperty( const String &key, const Item &item )
{
if (key == "real")
{
m_complex.real( item.forceNumeric() );
return true;
}
if (key == "imag")
{
m_complex.imag( item.forceNumeric() );
return true;
}
// found but read only?
uint32 pos;
if( generator()->properties().findKey( key, pos ) )
throw new AccessError( ErrorParam( e_prop_ro, __LINE__ )
.origin( e_orig_runtime )
.extra( key ) );
// no, not found.
return false;
}
bool CoreComplex::getProperty( const String &key, Item &ret ) const
{
if (key == "real")
{
ret = m_complex.real();
return true;
}
if (key == "imag")
{
ret = m_complex.imag();
return true;
}
return defaultProperty( key, ret );
}
FALCON_FUNC Complex_init( ::Falcon::VMachine *vm )
{
Item *i_real = vm->param(0);
Item *i_imag = vm->param(1);
if ( ( i_real != 0 && ! i_real->isOrdinal() )
|| ( i_imag != 0 && ! i_imag->isOrdinal() )
)
{
throw new ParamError( ErrorParam( e_inv_params, __LINE__ )
.origin( e_orig_runtime )
.extra( "[N,N]" ) );
}
CoreComplex *c = dyncast<CoreComplex *> ( vm->self().asObject() );
c->complex() = Complex(
( i_real != 0 ) ? i_real->forceNumeric() : 0 ,
( i_imag != 0 ) ? i_imag->forceNumeric() : 0
);
}
FALCON_FUNC Complex_toString( ::Falcon::VMachine *vm )
{
CoreComplex *self = dyncast<CoreComplex *>( vm->self().asObject() );
String res,real,imag;
Item(self->complex().real() ).toString(real);
Item(self->complex().imag()).toString(imag);
res=real+" , "+imag+"i";
vm->retval(res);
}
FALCON_FUNC Complex_abs( ::Falcon::VMachine *vm )
{
CoreComplex *self = dyncast<CoreComplex *>( vm->self().asObject() );
vm->retval( self->complex().abs() );
}
static void s_operands( VMachine* vm, Complex* &one, Complex& two, const CoreClass* &gen )
{
Item *i_obj = vm->param( 0 );
bool is_ordinal = i_obj->isOrdinal();
if ( i_obj == 0 || ! ( i_obj->isOfClass( "Complex" ) || is_ordinal ) )
{
throw new ParamError( ErrorParam( e_inv_params, __LINE__ )
.extra( "Complex" ) );
}
CoreComplex *self = dyncast<CoreComplex *>( vm->self().asObject() );
if ( is_ordinal )
two.real( i_obj->forceNumeric() );
else
two = (dyncast<CoreComplex *>( i_obj->asObject() ))->complex();
one = &self->complex();
gen = self->generator();
}
FALCON_FUNC Complex_add__( ::Falcon::VMachine *vm )
{
Complex *one, two;
const CoreClass* gen;
s_operands( vm, one, two, gen );
vm->retval( new CoreComplex( (*one) + two, gen ) );
}
FALCON_FUNC Complex_sub__( ::Falcon::VMachine *vm )
{
Complex *one, two;
const CoreClass* gen;
s_operands( vm, one, two, gen );
vm->retval( new CoreComplex( (*one) - two, gen ) );
}
FALCON_FUNC Complex_mul__( ::Falcon::VMachine *vm )
{
Complex *one, two;
const CoreClass* gen;
s_operands( vm, one, two, gen );
vm->retval( new CoreComplex( (*one) * two, gen ) );
}
FALCON_FUNC Complex_div__( ::Falcon::VMachine *vm )
{
Complex *one, two;
const CoreClass* gen;
s_operands( vm, one, two, gen );
vm->retval( new CoreComplex( (*one) / two, gen ) );
}
FALCON_FUNC Complex_compare( ::Falcon::VMachine *vm )
{
Item* i_other = vm->param( 0 );
Item& i_self = vm->self();
if( i_other == 0 || !( i_other->isOrdinal() || i_other->isOfClass( "Complex" ) ))
{
vm->retval( i_self.type() - i_other->type() );
return;
}
Complex& self = dyncast<CoreComplex*>(i_self.asObject())->complex();
Complex other;
if( i_other->isOrdinal() )
{
other.real( i_other->forceNumeric() );
}
else
{
other = (dyncast<CoreComplex *>( i_other->asObject() ))->complex();
}
if( self < other )
{
vm->retval( -1 );
}
else if( self > other )
{
vm->retval( 1 );
}
else
{
vm->retval( 0 );
}
}
FALCON_FUNC Complex_conj( ::Falcon::VMachine *vm )
{
CoreComplex *self = dyncast<CoreComplex *>( vm->self().asObject() );
vm->retval( new CoreComplex( self->complex().conj(), self->generator() ) );
}
}
}
/* end of complex_ext.cpp */
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