Intrepid
test_02.cpp
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44
51#include "Teuchos_oblackholestream.hpp"
52#include "Teuchos_RCP.hpp"
53#include "Teuchos_GlobalMPISession.hpp"
56#include <iostream>
57using namespace Intrepid;
58
63int main(int argc, char *argv[]) {
64
65 Teuchos::GlobalMPISession mpiSession(&argc, &argv);
66
67 // This little trick lets us print to std::cout only if a (dummy) command-line argument is provided.
68 int iprint = argc - 1;
69
70 Teuchos::RCP<std::ostream> outStream;
71 Teuchos::oblackholestream bhs; // outputs nothing
72
73 if (iprint > 0)
74 outStream = Teuchos::rcp(&std::cout, false);
75 else
76 outStream = Teuchos::rcp(&bhs, false);
77
78 // Save the format state of the original std::cout.
79 Teuchos::oblackholestream oldFormatState;
80 oldFormatState.copyfmt(std::cout);
81
82 *outStream \
83 << "===============================================================================\n" \
84 << "| |\n" \
85 << "| Unit Test OrthogonalBases |\n" \
86 << "| |\n" \
87 << "| 1) Tests orthogonality of tetrahedral orthogonal basis |\n" \
88 << "| |\n" \
89 << "| Questions? Contact Pavel Bochev (pbboche@sandia.gov) or |\n" \
90 << "| Denis Ridzal (dridzal@sandia.gov) or |\n" \
91 << "| Robert Kirby (robert.c.kirby@ttu.edu) |\n" \
92 << "| |\n" \
93 << "| Intrepid's website: http://trilinos.sandia.gov/packages/intrepid |\n" \
94 << "| Trilinos website: http://trilinos.sandia.gov |\n" \
95 << "| |\n" \
96 << "===============================================================================\n";
97
98 int errorFlag = 0;
99
100 // First, get a reference quadrature rule
101
102 CubatureDirectTetDefault<double,FieldContainer<double> > myCub(20);
103 FieldContainer<double> cubPts( myCub.getNumPoints() , 3 );
104 FieldContainer<double> cubWts( myCub.getNumPoints() );
105
106 myCub.getCubature( cubPts , cubWts );
107
108 // Tabulate the basis functions at the cubature points
109 const int deg = 10;
110 const int polydim = (deg+1)*(deg+2)*(deg+3)/6;
111 FieldContainer<double> basisAtCubPts( polydim , myCub.getNumPoints() );
112 OrthogonalBases::tabulateTetrahedron<double,FieldContainer<double>,FieldContainer<double> >( cubPts , deg , basisAtCubPts );
113
114 // Now let's compute the mass matrix
115 for (int i=0;i<polydim;i++) {
116 for (int j=0;j<polydim;j++) {
117 double cur = 0;
118 for (int k=0;k<myCub.getNumPoints();k++) {
119 cur += cubWts(k) * basisAtCubPts( i , k ) * basisAtCubPts( j , k );
120 }
121 if (i != j && fabs( cur ) > 20.0 * INTREPID_TOL) {
122 std::cout << INTREPID_TOL << std::endl;
123 std::cout << i << " " << j << " " << cur << std::endl;
124 errorFlag++;
125 }
126 else if (i == j && fabs( cur ) < 20.0 * INTREPID_TOL ) {
127 std::cout << i << " " << j << " " << cur << std::endl;
128 errorFlag++;
129 }
130
131 }
132 }
133
134
135 if (errorFlag != 0)
136 std::cout << "End Result: TEST FAILED\n";
137 else
138 std::cout << "End Result: TEST PASSED\n";
139
140 // reset format state of std::cout
141 std::cout.copyfmt(oldFormatState);
142
143 return errorFlag;
144}
int main(int argc, char *argv[])
outdated tests for orthogonal bases
Definition test_02.cpp:63
Header file for the Intrepid::CubatureDirectTetDefault class.
Header file for utility class to provide multidimensional containers.
Header file for orthogonal bases on various cell types.