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/*
* Copyright (C) 2005-2017 Centre National d'Etudes Spatiales (CNES)
*
* This file is part of Orfeo Toolbox
*
* https://www.orfeo-toolbox.org/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "otbMath.h"
#include "otbParser.h"
typedef otb::Parser ParserType;
int otbParserTestNew(int itkNotUsed(argc), char * itkNotUsed(argv) [])
{
// Instantiating object
ParserType::Pointer parser = ParserType::New();
std::cout << parser << std::endl;
return EXIT_SUCCESS;
}
void otbParserTest_ThrowIfNotEqual(double output, double ref, std::string testname, double epsilon = 1.0E-12)
{
std::cout << "Running test " << testname << std::endl;
if (vcl_abs(output-ref) > epsilon)
{
itkGenericExceptionMacro( << "Got " << output << " while waiting for " << ref );
}
std::cout << " -- OK" << std::endl;
}
void otbParserTest_ThrowIfNotEqual(int output, int ref, std::string testname = "")
{
std::cout << "Running test " << testname << std::endl;
if (output != ref)
{
itkGenericExceptionMacro( << "Got " << output << " while waiting for " << ref );
}
std::cout << " -- OK" << std::endl;
}
void otbParserTest_Numerical(void)
{
ParserType::Pointer parser = ParserType::New();
parser->SetExpr("10.0+3");
otbParserTest_ThrowIfNotEqual(parser->Eval(), 13.0, "Numerical");
}
void otbParserTest_BuildInFun(void)
{
ParserType::Pointer parser = ParserType::New();
parser->SetExpr("cos(1.55)");
otbParserTest_ThrowIfNotEqual(parser->Eval(), vcl_cos(1.55), "BuildInFun");
}
void otbParserTest_UserDefinedCst(void)
{
ParserType::Pointer parser = ParserType::New();
parser->SetExpr("ln10");
otbParserTest_ThrowIfNotEqual(parser->Eval(), vcl_log(10.0), "UserDefinedCst");
}
void otbParserTest_UserDefinedFun(void)
{
ParserType::Pointer parser = ParserType::New();
parser->SetExpr("ndvi(100, 10)");
otbParserTest_ThrowIfNotEqual(parser->Eval(), (10.0-100.0)/(10.0+100.0), "UserDefinedFun");
}
void otbParserTest_UserDefinedVars(void)
{
double var1 = 10.0;
double var2 = 2.0;
double var3 = 7.0;
double var4 = 100.0;
double var5 = 200.0;
ParserType::Pointer parser = ParserType::New();
parser->DefineVar("var1", &var1);
parser->DefineVar("var2", &var2);
parser->DefineVar("var3", &var3);
parser->DefineVar("var4", &var4);
parser->DefineVar("var5", &var5);
parser->SetExpr("(var1+var2-var3)*var4/var5");
otbParserTest_ThrowIfNotEqual(parser->Eval(), (var1+var2-var3)*var4/var5, "UserDefinedVars");
}
void otbParserTest_Mixed(void)
{
ParserType::Pointer parser = ParserType::New();
parser->SetExpr("(7+10)/2+cos(pi/4)*10-10*ln10+ndvi(100, 10)");
otbParserTest_ThrowIfNotEqual(parser->Eval(),
(7.0+10.0)/2.0+vcl_cos(otb::CONST_PI/4)*10.0-10.0*vcl_log(10.0)+(10.0-100.0)/(10.0+100.0),
"Mixed");
}
void otbParserTest_LogicalOperator(void)
{
ParserType::Pointer parser = ParserType::New();
parser->SetExpr("1 and 0");
otbParserTest_ThrowIfNotEqual(static_cast<int>(parser->Eval()), 0, "LogicalOperator and");
parser->SetExpr("1 or 0");
otbParserTest_ThrowIfNotEqual(static_cast<int>(parser->Eval()), 1, "LogicalOperator or");
}
int otbParserTest(int itkNotUsed(argc), char * itkNotUsed(argv) [])
{
otbParserTest_Numerical();
otbParserTest_BuildInFun();
otbParserTest_UserDefinedCst();
otbParserTest_UserDefinedFun();
otbParserTest_UserDefinedVars();
otbParserTest_Mixed();
otbParserTest_LogicalOperator();
return EXIT_SUCCESS;
}
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