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/*
Copyright (C) 2000, 2001, 2002 RiskMap srl
This file is part of QuantLib, a free-software/open-source library
for financial quantitative analysts and developers - http://quantlib.org/
QuantLib is free software: you can redistribute it and/or modify it under the
terms of the QuantLib license. You should have received a copy of the
license along with this program; if not, please email ferdinando@ametrano.net
The license is also available online at http://quantlib.org/html/license.html
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the license for more details.
*/
// $Id: QLArray.i,v 1.7 2002/01/16 14:51:31 nando Exp $
#ifndef quantlib_array_i
#define quantlib_array_i
%include String.i
%{
using QuantLib::Array;
typedef QuantLib::Math::LexicographicalView<Array::iterator>
LexicographicalView;
typedef QuantLib::Math::LexicographicalView<Array::iterator>::y_iterator
LexicographicalViewColumn;
%}
// array as python shadow class
class Array {
%pragma(ruby) include = "Enumerable";
public:
~Array();
};
%typemap(ruby,in) VALUE {
$target = $source;
};
%addmethods Array {
void crash() {}
Array(VALUE v) {
if (rb_obj_is_kind_of(v,rb_cArray)) {
int size = RARRAY(v)->len;
Array* temp = new Array(size);
for (int i=0; i<size; i++) {
VALUE o = RARRAY(v)->ptr[i];
if (o == Qnil)
(*temp)[i] = Null<double>();
else if (FIXNUM_P(o))
(*temp)[i] = double(FIX2INT(o));
else if (TYPE(o) == T_FLOAT)
(*temp)[i] = NUM2DBL(o);
else
rb_raise(rb_eTypeError,
"wrong argument type (expected numbers)");
}
return temp;
} else {
rb_raise(rb_eTypeError,
"wrong argument type (expected array)");
}
}
String __str__() {
String s = "(";
for (int i=0; i<self->size(); i++) {
if (i != 0)
s += ", ";
s += QuantLib::DoubleFormatter::toString((*self)[i]);
}
s += ")";
return s;
}
int __len__() {
return self->size();
}
double __getitem__(int i) {
if (i>=0 && i<self->size()) {
return (*self)[i];
} else if (i<0 && -i<=self->size()) {
return (*self)[self->size()+i];
} else {
throw IndexError("Array index out of range");
}
QL_DUMMY_RETURN(0.0)
}
void __setitem__(int i, double x) {
if (i>=0 && i<self->size()) {
(*self)[i] = x;
} else if (i<0 && -i<=self->size()) {
(*self)[self->size()+i] = x;
} else {
throw IndexError("Array index out of range");
}
}
void each() {
for (int i=0; i<self->size(); i++)
rb_yield(rb_float_new((*self)[i]));
}
};
// 2-D view
class LexicographicalViewColumn {
private:
// access control - no constructor exported
LexicographicalViewColumn();
public:
~LexicographicalViewColumn();
};
%addmethods LexicographicalViewColumn {
void crash() {}
double __getitem__(int i) {
return (*self)[i];
}
void __setitem__(int i, double x) {
(*self)[i] = x;
}
};
class LexicographicalView {
public:
~LexicographicalView();
int xSize() const;
int ySize() const;
};
%addmethods LexicographicalView {
void crash() {}
LexicographicalView(Array& a, int xSize) {
return new LexicographicalView(a.begin(),a.end(),xSize);
}
LexicographicalViewColumn __getitem__(int i) {
return (*self)[i];
}
String __str__() {
String s;
for (int j=0; j<self->ySize(); j++) {
s += "\n";
for (int i=0; i<self->xSize(); i++) {
if (i != 0)
s += ",";
s += QuantLib::DoubleFormatter::toString((*self)[i][j]);
}
}
s += "\n";
return s;
}
};
#endif
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