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errors.hh
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Sun, Jul 7, 23:25

errors.hh
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/*
* SPDX-License-Indentifier: AGPL-3.0-or-later
*
* Copyright (©) 2016-2023 EPFL (École Polytechnique Fédérale de Lausanne),
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
* Copyright (©) 2020-2023 Lucas Frérot
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef ERRORS_HH
#define ERRORS_HH
/* -------------------------------------------------------------------------- */
#include <sstream>
#include <stdexcept>
/* -------------------------------------------------------------------------- */
namespace tamaas {
class assertion_error : public std::invalid_argument {
using std::invalid_argument::invalid_argument;
};
class not_implemented_error : public std::runtime_error {
using std::runtime_error::runtime_error;
};
class model_type_error : public std::domain_error {
using std::domain_error::domain_error;
};
class nan_error : public std::runtime_error {
using std::runtime_error::runtime_error;
};
struct no_convergence_error : public std::runtime_error {
no_convergence_error(const std::string& what, double error, double tolerance)
: std::runtime_error(what), error(error), tolerance(tolerance) {}
const char* what() const noexcept override {
std::stringstream sstr;
std::string msg{std::runtime_error::what()};
sstr << msg << " did not converge (" << std::scientific << error << " > "
<< tolerance << ")";
return sstr.str().c_str();
}
double error, tolerance;
};
namespace detail {
template <class T>
void append_to_stream(std::ostream& s, T&& head) {
s << head;
}
template <class T, class... Args>
void append_to_stream(std::ostream& s, T&& head, Args&&... tail) {
append_to_stream(s, head);
append_to_stream(s, tail...);
}
template <class... Args>
std::string concat_args(Args&&... args) {
std::stringstream sstr;
// C++17 (sstr << ... << args) and remove below;
append_to_stream(sstr, args...);
return std::move(sstr.str());
}
// Macros
#define TAMAAS_LOCATION __FILE__, ':', __LINE__, ':', __func__, "(): "
#define TAMAAS_MSG(...) \
::tamaas::detail::concat_args(TAMAAS_LOCATION, __VA_ARGS__)
#define TAMAAS_ASSERT(cond, ...) \
do { \
if (not(cond)) \
throw assertion_error(TAMAAS_MSG(__VA_ARGS__)); \
} while (0)
} // namespace detail
} // namespace tamaas
#endif // ERRORS_HH

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