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// Ceres Solver - A fast non-linear least squares minimizer
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// Copyright 2010, 2011, 2012 Google Inc. All rights reserved.
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// http://code.google.com/p/ceres-solver/
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of Google Inc. nor the names of its contributors may be
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// used to endorse or promote products derived from this software without
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// specific prior written permission.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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// Author: sameeragarwal@google.com (Sameer Agarwal)
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#include "ceres/types.h"
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#define CASESTR(x) case x: return #x
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const char* LinearSolverTypeToString(LinearSolverType solver_type) {
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switch (solver_type) {
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CASESTR(SPARSE_NORMAL_CHOLESKY);
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CASESTR(SPARSE_SCHUR);
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CASESTR(ITERATIVE_SCHUR);
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const char* PreconditionerTypeToString(
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PreconditionerType preconditioner_type) {
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switch (preconditioner_type) {
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CASESTR(SCHUR_JACOBI);
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CASESTR(CLUSTER_JACOBI);
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CASESTR(CLUSTER_TRIDIAGONAL);
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const char* OrderingTypeToString(OrderingType ordering_type) {
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switch (ordering_type) {
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const char* SolverTerminationTypeToString(
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SolverTerminationType termination_type) {
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switch (termination_type) {
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CASESTR(NO_CONVERGENCE);
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CASESTR(FUNCTION_TOLERANCE);
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CASESTR(GRADIENT_TOLERANCE);
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CASESTR(PARAMETER_TOLERANCE);
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CASESTR(NUMERICAL_FAILURE);
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CASESTR(USER_SUCCESS);
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bool IsSchurType(LinearSolverType type) {
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return ((type == SPARSE_SCHUR) ||
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(type == DENSE_SCHUR) ||
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(type == ITERATIVE_SCHUR));