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libcomposition/src/composition/lib/utils.cpp

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#include "fourdst/composition/composition.h"
#include "fourdst/composition/exceptions/exceptions_composition.h"
#include "fourdst/atomic/atomicSpecies.h"
#include "fourdst/atomic/species.h"
#include "fourdst/composition/utils.h"
#include <ranges>
#include <vector>
#include <set>
#include <string>
namespace {
std::optional<fourdst::atomic::Species> getSpecies(const std::string& symbol) {
if (!fourdst::atomic::species.contains(symbol)) {
return std::nullopt;
}
return fourdst::atomic::species.at(symbol);
}
void throw_unknown_symbol(quill::Logger* logger, const std::string& symbol) {
throw fourdst::composition::exceptions::UnknownSymbolError("Symbol " + symbol + " is not a valid species symbol (not in the species database)");
}
}
namespace fourdst::composition {
Composition buildCompositionFromMassFractions(
const std::set<atomic::Species> &species,
const std::vector<double> &massFractions
) {
Composition composition;
for (const auto& [sp, xi] : std::views::zip(species, massFractions)) {
composition.registerSpecies(sp);
composition.setMolarAbundance(sp, xi/sp.mass());
}
return composition;
}
Composition buildCompositionFromMassFractions(const std::vector<atomic::Species> &species, const std::vector<double> &massFractions) {
return buildCompositionFromMassFractions(std::set<atomic::Species>(species.begin(), species.end()), massFractions);
}
Composition buildCompositionFromMassFractions(const std::vector<std::string> &symbols, const std::vector<double> &massFractions) {
std::set<atomic::Species> species;
for (const auto& symbol : symbols) {
auto result = getSpecies(symbol);
if (!result) {
throw_unknown_symbol(nullptr, symbol);
}
species.insert(result.value());
}
return buildCompositionFromMassFractions(species, massFractions);
}
}