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core.cpp
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Thu, May 9, 21:05

core.cpp
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/**
* @file
* @section LICENSE
*
* Copyright (©) 2016-2020 EPFL (École Polytechnique Fédérale de Lausanne),
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "logger.hh"
#include "mpi_interface.hh"
#include "partitioner.hh"
#include "statistics.hh"
#include "surface_statistics.hh"
#include "wrap.hh"
#include <pybind11/stl.h>
/* -------------------------------------------------------------------------- */
namespace tamaas {
/* -------------------------------------------------------------------------- */
namespace wrap {
using namespace py::literals;
/* -------------------------------------------------------------------------- */
template <UInt dim>
void wrapStatistics(py::module& mod) {
auto name = makeDimensionName("Statistics", dim);
py::class_<Statistics<dim>>(mod, name.c_str())
.def_static("computePowerSpectrum",
&Statistics<dim>::computePowerSpectrum,
py::return_value_policy::move)
.def_static("computeAutocorrelation",
&Statistics<dim>::computeAutocorrelation,
py::return_value_policy::move)
.def_static("computeMoments", &Statistics<dim>::computeMoments)
.def_static("computeSpectralRMSSlope",
&Statistics<dim>::computeSpectralRMSSlope)
.def_static("computeRMSHeights", &Statistics<dim>::computeRMSHeights)
.def_static("contact", &Statistics<dim>::contact, "tractions"_a,
"perimeter"_a = 0,
"Compute the (corrected) contact area. Permieter is the "
"total contact perimeter in number of segments.");
}
/* -------------------------------------------------------------------------- */
void wrapCore(py::module& mod) {
// Exposing logging facility
py::enum_<LogLevel>(mod, "LogLevel")
.value("debug", LogLevel::debug)
.value("info", LogLevel::info)
.value("warning", LogLevel::warning)
.value("error", LogLevel::error);
mod.def("set_log_level", [](LogLevel level) { Logger::setLevel(level); });
py::class_<Logger>(mod, "Logger")
.def(py::init<>())
.def("get",
[](Logger& logger, LogLevel level) -> Logger& {
logger.get(level);
return logger;
})
.def("__lshift__", [](Logger& logger, std::string msg) -> Logger& {
auto level = logger.getWishLevel();
if (level >= Logger::getCurrentLevel() and
not(mpi::rank() != 0 and level == LogLevel::info)) {
py::print(msg, "file"_a = py::module::import("sys").attr("stderr"));
}
return logger;
});
// Exposing SurfaceStatistics (legacy)
#if defined(TAMAAS_LEGACY_BEM)
py::class_<SurfaceStatistics>(mod, "SurfaceStatistics")
.def_static("computeMaximum", &SurfaceStatistics::computeMaximum)
.def_static("computeMinimum", &SurfaceStatistics::computeMinimum)
.def_static("computeSpectralRMSSlope",
&SurfaceStatistics::computeSpectralRMSSlope)
.def_static("computeRMSSlope", &SurfaceStatistics::computeRMSSlope)
.def_static("computeMoments", &SurfaceStatistics::computeMoments)
.def_static("computeSkewness", &SurfaceStatistics::computeSkewness)
.def_static("computeKurtosis", &SurfaceStatistics::computeKurtosis)
.def_static("computeSpectralMeanCurvature",
&SurfaceStatistics::computeSpectralMeanCurvature)
.def_static("computeSpectralStdev",
&SurfaceStatistics::computeSpectralStdev)
.def_static("computeAnalyticFractalMoment",
&SurfaceStatistics::computeAnalyticFractalMoment)
.def_static("computePerimeter", &SurfaceStatistics::computePerimeter)
.def_static("computeContactArea", &SurfaceStatistics::computeContactArea)
.def_static("computeContactAreaRatio",
&SurfaceStatistics::computeContactAreaRatio)
.def_static("computeSpectralDistribution",
&SurfaceStatistics::computeSpectralDistribution)
.def_static("computeSum", &SurfaceStatistics::computeSum)
.def_static("computeAutocorrelation",
&SurfaceStatistics::computeAutocorrelation,
py::return_value_policy::copy)
.def_static("computePowerSpectrum",
&SurfaceStatistics::computePowerSpectrum,
py::return_value_policy::copy);
#endif
wrapStatistics<1>(mod);
wrapStatistics<2>(mod);
mod.def("to_voigt",
[](const Grid<Real, 3>& field) {
if (field.getNbComponents() == 9) {
Grid<Real, 3> voigt(field.sizes(), 6);
Loop::loop([](auto in, auto out) { out.symmetrize(in); },
range<MatrixProxy<const Real, 3, 3>>(field),
range<SymMatrixProxy<Real, 3>>(voigt));
return voigt;
} else
TAMAAS_EXCEPTION("Wrong number of components to symmetrize");
},
"Convert a 3D tensor field to voigt notation",
py::return_value_policy::copy);
py::class_<mpi::sequential>(mod, "sequential")
.def(py::init<>())
.def("__enter__", [](mpi::sequential& obj) { obj.enter(); })
.def("__exit__", [](mpi::sequential& obj, py::object, py::object,
py::object) { obj.exit(); });
mod.def("mpi_local_size",
[](std::vector<UInt> global) {
switch (global.size()) {
case 1:
return Partitioner<1>::local_size(global);
case 2:
return Partitioner<2>::local_size(global);
default:
TAMAAS_EXCEPTION("Please provide a 1D/2D shape");
}
},
"shape"_a, "Gives the local size of a 1D/2D global shape");
mod.def("mpi_local_offset",
[](std::vector<UInt> global) {
switch (global.size()) {
case 1:
return Partitioner<1>::local_offset(global);
case 2:
return Partitioner<2>::local_offset(global);
default:
TAMAAS_EXCEPTION("Please provide a 1D/2D shape");
}
},
"shape"_a, "Gives the local offset of a 1D/2D global shape");
}
} // namespace wrap
/* -------------------------------------------------------------------------- */
} // namespace tamaas

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