MOAB: Mesh Oriented datABase
(version 5.4.1)
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Go to the source code of this file.
Functions | |
double | dot_product (double vec1[], double vec2[]) |
void | normalize (double vec[]) |
double * | cross_product (double vec1[], double vec2[], double answer[]) |
double | length (double vec[]) |
double | length_squared (double vec[]) |
double | interior_angle (double vec1[], double vec2[]) |
double* cross_product | ( | double | vec1[], |
double | vec2[], | ||
double | answer[] | ||
) | [inline] |
Definition at line 37 of file v_vector.h.
{
answer[0] = vec1[1] * vec2[2] - vec1[2] * vec2[1];
answer[1] = vec1[2] * vec2[0] - vec1[0] * vec2[2];
answer[2] = vec1[0] * vec2[1] - vec1[1] * vec2[0];
return answer;
}
double dot_product | ( | double | vec1[], |
double | vec2[] | ||
) | [inline] |
Definition at line 20 of file v_vector.h.
Referenced by interior_angle(), v_quad_distortion(), and v_tri_distortion().
{ double answer = vec1[0] * vec2[0] + vec1[1] * vec2[1] + vec1[2] * vec2[2]; return answer; }
double interior_angle | ( | double | vec1[], |
double | vec2[] | ||
) | [inline] |
Definition at line 58 of file v_vector.h.
References dot_product(), length(), and VERDICT_PI.
Referenced by v_tri_quality().
{ double cosAngle, angleRad; double length1 = length( vec1 ); double length2 = length( vec2 ); assert( ( length1 > 0.0 && length2 > 0.0 ) ); cosAngle = dot_product( vec1, vec2 ) / ( length1 * length2 ); if( ( cosAngle > 1.0 ) && ( cosAngle < 1.0001 ) ) { cosAngle = 1.0; } else if( cosAngle < -1.0 && cosAngle > -1.0001 ) { cosAngle = -1.0; } else { assert( cosAngle < 1.0001 && cosAngle > -1.0001 ); } angleRad = acos( cosAngle ); return ( ( angleRad * 180. ) / VERDICT_PI ); }
double length | ( | double | vec[] | ) | [inline] |
Definition at line 46 of file v_vector.h.
Referenced by moab::area_coordinates(), ZoltanPartitioner::balance_mesh(), moab::BVHTree::Bucket::bucket_index(), moab::Bvh_tree< _Entity_handles, _Box, _Moab, _Parametrizer >::bucket_index(), check_list_meshset_internal(), check_meshset_internal(), check_ranged_meshset_internal(), moab::GeomQueryTool::closest_to_location(), compute_area(), moab::copy_set_contents(), moab::ReadCGM::create_curve_facets(), moab::SysUtil::filesize(), smoab::detail::ReadSparseTag::fill(), moab::NestedRefine::find_shortest_diagonal_octahedron(), moab::Intx2MeshOnSphere::findNodes(), moab::SmoothFace::init_facet_control_points(), moab::WriteNCDF::initialize_exodus_file(), interior_angle(), is_acis_txt_file(), moab::SmoothFace::is_at_vertex(), moab::ReadMCNP5::load_file(), main(), ZoltanPartitioner::mbInitializePoints(), measure(), mhdf_compact_to_ranges(), mhdf_getElemHandles(), mhdf_name_to_path(), MetisPartitioner::partition_mesh(), ZoltanPartitioner::partition_mesh_and_geometry(), ZoltanPartitioner::partition_owned_cells(), perform_laplacian_smoothing(), perform_lloyd_relaxation(), moab::LloydSmoother::perform_smooth(), points_are_coincident(), moab::TreeNodePrinter::print_geometry(), moab::SmoothFace::project_to_facets(), moab::SmoothFace::project_to_patch(), moab::AffineXform::rotation(), test_2D(), test_3D(), test_bound_box(), test_eval(), moab::SmoothCurve::u_from_position(), v_quad_distortion(), v_quad_maximum_angle(), v_quad_minimum_angle(), v_quad_scaled_jacobian(), v_tet_aspect_beta(), v_tet_quality(), v_tet_radius_ratio(), v_tri_quality(), v_tri_scaled_jacobian(), and TreeValidator::visit().
{
return sqrt( vec[0] * vec[0] + vec[1] * vec[1] + vec[2] * vec[2] );
}
double length_squared | ( | double | vec[] | ) | [inline] |
Definition at line 52 of file v_vector.h.
Referenced by build_tree(), moab::LinearTet::evaluate_reverse(), moab::LinearTri::evaluate_reverse(), moab::SmoothFace::facet_area_coordinate(), find_face(), moab::Intx2MeshInPlane::findNodes(), moab::IntxRllCssphere::findNodes(), main(), IntxUtilsCSLAM::smooth_field(), moab::FBEngine::split_quads(), moab::SmoothCurve::u_from_position(), v_hex_quality(), v_quad_quality(), v_quad_shape(), v_tet_aspect_beta(), v_tet_quality(), v_tet_radius_ratio(), and v_tet_scaled_jacobian().
{
return ( vec[0] * vec[0] + vec[1] * vec[1] + vec[2] * vec[2] );
}
void normalize | ( | double | vec[] | ) | [inline] |
Definition at line 27 of file v_vector.h.
Referenced by v_quad_quality(), v_quad_skew(), and v_quad_warpage().
{
double x = sqrt( vec[0] * vec[0] + vec[1] * vec[1] + vec[2] * vec[2] );
vec[0] /= x;
vec[1] /= x;
vec[2] /= x;
}