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aka_common_inline_impl.hh
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Thu, Nov 7, 07:15

aka_common_inline_impl.hh
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/**
* @file aka_common_inline_impl.hh
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Fri Jun 18 2010
* @date last modification: Tue Feb 20 2018
*
* @brief inline implementations of common akantu type descriptions
*
*
* Copyright (©) 2010-2018 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
/* -------------------------------------------------------------------------- */
#include <algorithm>
#include <cctype>
#include <cmath>
#include <iomanip>
#include <iostream>
#include <array>
/* -------------------------------------------------------------------------- */
namespace akantu {
/* -------------------------------------------------------------------------- */
/// standard output stream operator for GhostType
inline std::ostream & operator<<(std::ostream & stream, GhostType type) {
switch (type) {
case _not_ghost:
stream << "not_ghost";
break;
case _ghost:
stream << "ghost";
break;
case _casper:
stream << "Casper the friendly ghost";
break;
}
return stream;
}
/* -------------------------------------------------------------------------- */
inline std::string to_lower(const std::string & str) {
std::string lstr = str;
std::transform(lstr.begin(), lstr.end(), lstr.begin(), (int (*)(int))tolower);
return lstr;
}
namespace {
template <typename pred>
inline std::string trim_p(const std::string & to_trim, pred && p) {
std::string trimed = to_trim;
auto && not_ = [&](auto && a) { return not p(a); };
// left trim
trimed.erase(trimed.begin(),
std::find_if(trimed.begin(), trimed.end(), not_));
// right trim
trimed.erase(std::find_if(trimed.rbegin(), trimed.rend(), not_).base(),
trimed.end());
return trimed;
}
} // namespace
/* -------------------------------------------------------------------------- */
inline std::string trim(const std::string & to_trim) {
return trim_p(to_trim, [&](auto && a) { return std::isspace(a); });
}
inline std::string trim(const std::string & to_trim, char c) {
return trim_p(to_trim, [&c](auto && a) { return (a == c); });
}
/* -------------------------------------------------------------------------- */
template <typename T> std::string printMemorySize(UInt size) {
Real real_size = size * sizeof(T);
UInt mult = 0;
if (real_size != 0) {
mult = (std::log(real_size) / std::log(2)) / 10;
}
std::stringstream sstr;
real_size /= Real(1 << (10 * mult));
sstr << std::setprecision(2) << std::fixed << real_size;
std::string size_prefix;
std::array<std::string, 9> ratio = {
"", "Ki", "Mi",
"Gi", // I started on this type of machines (32bit computers) (Nicolas)
"Ti", "Pi",
"Ei", // theoritical limit of RAM of the current computers in 2014 (64bit
// computers) (Nicolas)
"Zi", "Yi"};
if (mult >= ratio.size()) {
AKANTU_ERROR(
"The programmer in 2014 didn't thought so far (even wikipedia does not "
"go further)."
<< " You have at least 1024 times more than a yobibit of RAM!!!"
<< " Just add the prefix corresponding in the ratio array.");
}
sstr << ratio[mult] << "Byte";
return sstr.str();
}
} // namespace akantu

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