/*
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******************************************************************************
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Project: OWA EPANET
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Version: 2.2
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Module: test_pda.cpp
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Description: Tests EPANET toolkit api functions
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Authors: see AUTHORS
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Copyright: see AUTHORS
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License: see LICENSE
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Last Updated: 07/20/2019
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******************************************************************************
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*/
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/*
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Tests the Pressure Driven Analysis option
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*/
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#include <boost/test/unit_test.hpp>
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#include "test_toolkit.hpp"
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BOOST_AUTO_TEST_SUITE (test_pda)
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BOOST_AUTO_TEST_CASE(test_pda_model)
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{
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int error = 0;
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int index;
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double count, reduction;
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EN_Project ph = NULL;
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error = EN_createproject(&ph);
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error = EN_open(ph, DATA_PATH_NET1, DATA_PATH_RPT, "");
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// Set Demand Multiplier to 10 to cause negative pressures
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error = EN_setoption(ph, EN_DEMANDMULT, 10);
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BOOST_REQUIRE(error == 0);
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// Run single period analysis
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error = EN_settimeparam(ph, EN_DURATION, 0);
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BOOST_REQUIRE(error == 0);
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// Solve hydraulics with default DDA option
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// which will return with neg. pressure warning code
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error = EN_solveH(ph);
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BOOST_REQUIRE(error == 6);
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// Check that 4 demand nodes have negative pressures
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error = EN_getstatistic(ph, EN_DEFICIENTNODES, &count);
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BOOST_REQUIRE(error == 0);
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BOOST_REQUIRE(count == 4);
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// Switch to PDA with pressure limits of 20 - 100 psi
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error = EN_setdemandmodel(ph, EN_PDA, 20, 100, 0.5);
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BOOST_REQUIRE(error == 0);
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// Solve hydraulics again
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error = EN_solveH(ph);
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BOOST_REQUIRE(error == 0);
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// Check that 6 nodes had demand reductions totaling 32.66%
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error = EN_getstatistic(ph, EN_DEFICIENTNODES, &count);
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BOOST_REQUIRE(error == 0);
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BOOST_REQUIRE(count == 6);
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error = EN_getstatistic(ph, EN_DEMANDREDUCTION, &reduction);
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BOOST_REQUIRE(error == 0);
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BOOST_REQUIRE(abs(reduction - 32.66) < 0.01);
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// Check that Junction 12 had full demand
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error = EN_getnodeindex(ph, (char *)"12", &index);
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BOOST_REQUIRE(error == 0);
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error = EN_getnodevalue(ph, index, EN_DEMANDDEFICIT, &reduction);
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BOOST_REQUIRE(error == 0);
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BOOST_REQUIRE(abs(reduction) < 0.01);
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// Check that Junction 21 had a demand deficit of 413.67
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error = EN_getnodeindex(ph, (char *)"21", &index);
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BOOST_REQUIRE(error == 0);
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error = EN_getnodevalue(ph, index, EN_DEMANDDEFICIT, &reduction);
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BOOST_REQUIRE(error == 0);
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BOOST_REQUIRE(abs(reduction - 413.67) < 0.01);
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// Clean up
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error = EN_close(ph);
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BOOST_REQUIRE(error == 0);
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error = EN_deleteproject(ph);
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BOOST_REQUIRE(error == 0);
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}
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BOOST_AUTO_TEST_SUITE_END()
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