cantera/src/base/checkFinite.cpp

43 lines
1.2 KiB
C++

/**
* @file checkFinite.cpp Declarations for routines that check for the
* presence of NaNs in the code.
*/
// This file is part of Cantera. See License.txt in the top-level directory or
// at http://www.cantera.org/license.txt for license and copyright information.
#include "cantera/base/ct_defs.h"
#include "cantera/base/stringUtils.h"
#include "cantera/base/ctexceptions.h"
namespace Cantera {
void checkFinite(const double tmp)
{
if (!std::isfinite(tmp)) {
if (std::isnan(tmp)) {
throw CanteraError("checkFinite", "found NaN");
} else if (tmp > 0) {
throw CanteraError("checkFinite", "found +Inf");
} else {
throw CanteraError("checkFinite", "found -Inf");
}
}
}
void checkFinite(const std::string& name, double* values, size_t N)
{
for (size_t i = 0; i < N; i++) {
if (!std::isfinite(values[i])) {
std::string message = name + " contains non-finite elements:\n\n";
for (size_t j = 0; j < N; j++) {
if (!std::isfinite(values[j])) {
message += fmt::format("{}[{}] = {}\n", name, j, values[j]);
}
}
throw CanteraError("checkFinite", message);
}
}
}
}