1
// Ceres Solver - A fast non-linear least squares minimizer
2
// Copyright 2010, 2011, 2012 Google Inc. All rights reserved.
3
// http://code.google.com/p/ceres-solver/
5
// Redistribution and use in source and binary forms, with or without
6
// modification, are permitted provided that the following conditions are met:
8
// * Redistributions of source code must retain the above copyright notice,
9
// this list of conditions and the following disclaimer.
10
// * Redistributions in binary form must reproduce the above copyright notice,
11
// this list of conditions and the following disclaimer in the documentation
12
// and/or other materials provided with the distribution.
13
// * Neither the name of Google Inc. nor the names of its contributors may be
14
// used to endorse or promote products derived from this software without
15
// specific prior written permission.
17
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27
// POSSIBILITY OF SUCH DAMAGE.
29
// Author: sameeragarwal@google.com (Sameer Agarwal)
32
#include "ceres/types.h"
36
#define CASESTR(x) case x: return #x
38
const char* LinearSolverTypeToString(LinearSolverType solver_type) {
39
switch (solver_type) {
40
CASESTR(DENSE_NORMAL_CHOLESKY);
42
CASESTR(SPARSE_NORMAL_CHOLESKY);
44
CASESTR(SPARSE_SCHUR);
45
CASESTR(ITERATIVE_SCHUR);
52
const char* PreconditionerTypeToString(
53
PreconditionerType preconditioner_type) {
54
switch (preconditioner_type) {
57
CASESTR(SCHUR_JACOBI);
58
CASESTR(CLUSTER_JACOBI);
59
CASESTR(CLUSTER_TRIDIAGONAL);
65
const char* SparseLinearAlgebraLibraryTypeToString(
66
SparseLinearAlgebraLibraryType sparse_linear_algebra_library_type) {
67
switch (sparse_linear_algebra_library_type) {
68
CASESTR(SUITE_SPARSE);
75
const char* OrderingTypeToString(OrderingType ordering_type) {
76
switch (ordering_type) {
85
const char* SolverTerminationTypeToString(
86
SolverTerminationType termination_type) {
87
switch (termination_type) {
88
CASESTR(NO_CONVERGENCE);
89
CASESTR(FUNCTION_TOLERANCE);
90
CASESTR(GRADIENT_TOLERANCE);
91
CASESTR(PARAMETER_TOLERANCE);
92
CASESTR(NUMERICAL_FAILURE);
94
CASESTR(USER_SUCCESS);
102
static const char* SparseLinearAlgebraTypeToString(
103
SparseLinearAlgebraLibraryType sparse_linear_algebra_library_type) {
104
switch (sparse_linear_algebra_library_type) {
106
CASESTR(SUITE_SPARSE);
113
const char* TrustRegionStrategyTypeToString(
114
TrustRegionStrategyType trust_region_strategy_type) {
115
switch (trust_region_strategy_type) {
116
CASESTR(LEVENBERG_MARQUARDT);
125
bool IsSchurType(LinearSolverType type) {
126
return ((type == SPARSE_SCHUR) ||
127
(type == DENSE_SCHUR) ||
128
(type == ITERATIVE_SCHUR));