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/*
* Copyright (c) 2009 Samit Basu
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "Array.hpp"
#include "Utils.hpp"
#include "Operators.hpp"
//@@Signature
//function inf InfFunction
//inputs varargin
//outputs y
//@@Signature
//function Inf InfFunction jitsafe
//inputs varargin
//outputs y
//DOCBLOCK constants_inf
ArrayVector InfFunction(int nargout, const ArrayVector& arg) {
if (arg.size() == 0)
return ArrayVector(Array(Inf()));
// Trim out the classname if it was specified
DataClass dataclass = Double;
ArrayVector trim_arg(arg);
if (trim_arg.size() > 0) {
if (trim_arg.back().isString()) {
// Check for the classname
dataclass = Invalid;
// Get the classname as a string
QString cp = trim_arg.back().asString().toLower();
if (cp == "single") dataclass = Float;
if (cp == "double") dataclass = Double;
if (cp == "float") dataclass = Float;
if (dataclass == Invalid)
throw Exception("unrecognized type for argument to nan function");
// Remove the classspec
trim_arg.pop_back();
}
}
NTuple dims = ArrayVectorAsDimensions(trim_arg);
Array p(dataclass,dims);
if (dataclass == Float)
p.real<float>().fill(float(Inf()));
else
p.real<double>().fill(Inf());
return ArrayVector(p);
}
JitScalarFunc0(infp,Inf());
//@@Signature
//function nan NaNFunction jitsafe
//inputs varargin
//outputs y
//@@Signature
//function NaN NaNFunction jitsafe
//inputs varargin
//outputs y
//DOCBLOCK array_nan
ArrayVector NaNFunction(int nargout, const ArrayVector& arg) {
if (arg.size() == 0)
return ArrayVector(Array(NaN()));
// Trim out the classname if it was specified
DataClass dataclass = Double;
ArrayVector trim_arg(arg);
if (trim_arg.size() > 0) {
if (trim_arg.back().isString()) {
// Check for the classname
dataclass = Invalid;
// Get the classname as a string
QString cp = trim_arg.back().asString().toLower();
if (cp == "single") dataclass = Float;
if (cp == "double") dataclass = Double;
if (cp == "float") dataclass = Float;
if (dataclass == Invalid)
throw Exception("unrecognized type for argument to nan function");
// Remove the classspec
trim_arg.pop_back();
}
}
NTuple dims = ArrayVectorAsDimensions(trim_arg);
Array p(dataclass,dims);
if (dataclass == Float)
p.real<float>().fill(float(NaN()));
else
p.real<double>().fill(NaN());
return ArrayVector(p);
}
JitScalarFunc0(nan,NaN());
JitScalarFunc0(NaN,NaN());
//@@Signature
//function zeros ZerosFunction jitsafe
//inputs varargin
//outputs y
//DOCBLOCK array_zeros
#define MacroZeros(ctype,cls) \
if (cp == #ctype) dataclass = cls;
ArrayVector ZerosFunction(int nargout, const ArrayVector& arg) {
// Trim out the classname if it was specified
DataClass dataclass = Double;
ArrayVector trim_arg(arg);
if (trim_arg.size() > 0) {
if (trim_arg.back().isString()) {
// Check for the classname
dataclass = Invalid;
// Get the classname as a string
QString cp = trim_arg.back().asString().toLower();
MacroExpandCasesSimple(MacroZeros);
if (cp == "single") dataclass = Float;
if (cp == "logical") dataclass = Bool;
if (dataclass == Invalid)
throw Exception("unrecognized type for argument to zeros function");
// Remove the classspec
trim_arg.pop_back();
}
}
NTuple dims = ArrayVectorAsDimensions(trim_arg);
return ArrayVector(Array(dataclass,dims));
}
#undef MacroZeros
//@@Signature
//function false FalseFunction jitsafe
//inputs none
//outputs y
//DOCBLOCK constants_false
ArrayVector FalseFunction(int nargout, const ArrayVector& arg) {
if (arg.size() == 0)
return ArrayVector(Array(bool(false)));
NTuple dims(ArrayVectorAsDimensions(arg));
Array r(Bool,dims);
return ArrayVector(r);
}
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