internal/ceres/wall_time.cc

// Ceres Solver - A fast non-linear least squares minimizer
// Copyright 2012 Google Inc. All rights reserved.
// http://code.google.com/p/ceres-solver/
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// Author: strandmark@google.com (Petter Strandmark)

#ifdef CERES_USE_OPENMP
#include <omp.h>
#else
#include <ctime>
#endif

namespace ceres {
namespace internal {

double WallTimeInSeconds() {
#ifdef CERES_USE_OPENMP
  return omp_get_wtime();
#else
  return static_cast<double>(std::time(NULL));
#endif
}

}  // namespace internal
}  // namespace ceres