arc_intx_tests.cpp

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/*
 * arc_intx_tests.cpp
 */
#include <iostream>
#include <sstream>
#include <ctime>
#include <cstdlib>
#include <cstdio>
#include <cstring>
#include "moab/Types.hpp"
#include "moab/IntxMesh/IntxUtils.hpp"

#include "TestUtil.hpp"

using namespace moab;
void test_great_arc_intx()
{
    double A[3] = { 0., 0., 1. };
    double B[3] = { 1., 0., 0. };
    double C[3] = { 0., 0.6, 0.8 };
    double D[3] = { 0.6, -0.8, 0. };

    double E[3];
    double R       = 1.0;
    ErrorCode rval = moab::IntxUtils::intersect_great_circle_arcs( A, B, C, D, R, E );CHECK_ERR( rval );
    std::cout << "E: " << E[0] << " " << E[1] << " " << E[2] << "\n";
    rval = moab::IntxUtils::intersect_great_circle_arcs( A, C, B, D, R, E );
    CHECK( rval == MB_FAILURE );
}
void test_great_arc_clat_intx()
{
    double d3   = 1 / sqrt( 3. );
    double A[3] = { 0., 0., 1. };
    double B[3] = { 1., 0., 0. };
    double C[3] = { d3, d3, d3 };
    double D[3] = { d3, -d3, d3 };

    double E[9];
    double R       = 1.0;
    int np         = 0;
    ErrorCode rval = moab::IntxUtils::intersect_great_circle_arc_with_clat_arc( A, B, C, D, R, E, np );CHECK_ERR( rval );
    std::cout << "E: " << E[0] << " " << E[1] << " " << E[2] << "\n";
    double F[3] = { -d3, d3, d3 };
    rval        = moab::IntxUtils::intersect_great_circle_arc_with_clat_arc( A, B, C, F, R, E, np );
    CHECK( rval == MB_FAILURE );
}
int main()
{
    int failures = 0;
    failures += RUN_TEST( test_great_arc_intx );
    failures += RUN_TEST( test_great_arc_clat_intx );
    return failures;
}