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/*
Copyright (C) 2000, 2001, 2002, 2003 RiskMap srl
Copyright (C) 2003, 2004, 2005 StatPro Italia 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
<quantlib-dev@lists.sf.net>. The license is also available online at
<https://www.quantlib.org/license.shtml>.
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.
*/
#ifndef quantlib_null_values_i
#define quantlib_null_values_i
%include exception.i
%{
using QuantLib::Null;
typedef int intOrNull;
typedef double doubleOrNull;
%}
%inline%{
int nullInt() { return Null<int>(); }
double nullDouble() { return Null<double>(); }
%}
#if defined(SWIGPYTHON)
%typemap(in) intOrNull %{
if ($input == Py_None)
$1 = Null<int>();
else if (PyLong_Check($input))
$1 = int(PyLong_AsLong($input));
else
SWIG_exception(SWIG_TypeError, "int expected");
%}
%typecheck(SWIG_TYPECHECK_INTEGER) intOrNull %{
$1 = ($input == Py_None || PyLong_Check($input)) ? 1 : 0;
%}
%typemap(out) intOrNull %{
if ($1 == Null<int>()) {
Py_INCREF(Py_None);
$result = Py_None;
} else {
$result = PyLong_FromLong($1);
}
%}
%typemap(in) doubleOrNull %{
if ($input == Py_None)
$1 = Null<double>();
else if (PyFloat_Check($input))
$1 = PyFloat_AsDouble($input);
else if (PyLong_Check($input))
$1 = PyLong_AsDouble($input);
else
SWIG_exception(SWIG_TypeError, "double expected");
%}
%typecheck(SWIG_TYPECHECK_DOUBLE) doubleOrNull %{
$1 = ($input == Py_None || PyFloat_Check($input) || PyLong_Check($input)) ? 1 : 0;
%}
%typemap(out) doubleOrNull %{
if ($1 == Null<double>()) {
Py_INCREF(Py_None);
$result = Py_None;
} else {
$result = PyFloat_FromDouble($1);
}
%}
#elif defined(SWIGJAVA)
typedef int intOrNull;
typedef double doubleOrNull;
#elif defined(SWIGCSHARP)
typedef int intOrNull;
typedef double doubleOrNull;
#elif defined(SWIGR)
%typemap(rtype) intOrNull "numeric";
%typemap(scoercein) intOrNull
%{ $input = as($input, "integer"); %}
%typemap(scoerceout) intOrNull %{ %}
%typemap(in) intOrNull %{
$1 = ($1_ltype) INTEGER($input)[0];
if ($1 == R_NaInt) $1 = Null<int>();
%}
%typemap(rtypecheck) intOrNull %{
((length($arg) == 0) || (length($arg) == 1 && is.integer($arg)) || (length($arg) == 1 && is.numeric($arg)) || (length($arg) == 1 && is.na($arg)))
%}
%typemap(out) intOrNull %{
if ($1 == Null<int>())
$result = Rf_ScalarLogical(NA_LOGICAL)
else
$result = ScalarInteger($1);
%}
%typemap(rtype) doubleOrNull "numeric";
%typemap(scoercein) doubleOrNull
%{ $input = as($input, "numeric"); %}
%typemap(scoerceout) doubleOrNull %{ %}
%typemap(in) doubleOrNull %{
$1 = ($1_ltype) REAL($input)[0];
if (R_IsNA($1)) $1 = Null<double>();
%}
%typemap(rtypecheck) doubleOrNull %{
((length($arg) == 0) || (length($arg) == 1 && is.numeric($arg)) || (length($arg) == 1 && is.na($arg)))
%}
%typemap(out) doubleOrNull %{
if ($1 == Null<double>())
$result = Rf_ScalarLogical(NA_LOGICAL);
else
$result = Rf_ScalarReal($1);
%}
#endif
#endif
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