void _PropsSImulti(const std::vector<std::string> &Outputs,
const std::string &Name1,
const std::vector<double> &Prop1,
const std::string &Name2,
const std::vector<double> &Prop2,
const std::string &backend,
const std::vector<std::string> &fluids,
const std::vector<double> &fractions,
std::vector<std::vector<double> > &IO)
{
shared_ptr<AbstractState> State;
CoolProp::parameters key1, key2;
CoolProp::input_pairs input_pair;
std::vector<output_parameter> output_parameters;
std::vector<double> v1, v2;
try{
// Initialize the State class
_PropsSI_initialize(backend, fluids, fractions, State);
}
catch(std::exception &e){
// Initialization failed. Stop.
throw ValueError(format("Initialize failed for backend: \"%s\", fluid: \"%s\" fractions \"%s\"; error: %s",backend.c_str(), strjoin(fluids,"&").c_str(), vec_to_string(fractions, "%0.10f").c_str(), e.what()) );
}
try{
// Get update pair
is_valid_parameter(Name1, key1);
is_valid_parameter(Name2, key2);
input_pair = generate_update_pair(key1, Prop1, key2, Prop2, v1, v2);
}
catch (std::exception &e){
// Input parameter parsing failed. Stop
throw ValueError(format("Input pair parsing failed for Name1: \"%s\", Name2: \"%s\"; err: %s", Name1.c_str(), Name2.c_str(), e.what()));
}
try{
output_parameters = output_parameter::get_output_parameters(Outputs);
}
catch (std::exception &e){
// Output parameter parsing failed. Stop.
throw ValueError(format("Output parameter parsing failed; error: %s", e.what()));
}
// Calculate the output(s). In the case of a failure, all values will be filled with _HUGE
_PropsSI_outputs(State, output_parameters, input_pair, v1, v2, IO);
}
// Internal function to do the actual calculations, make this a wrapped function so
// that error bubbling can be done properly
double _PropsSI(const std::string &Output, const std::string &Name1, double Prop1, const std::string &Name2, double Prop2, const std::string &backend, const std::string &Ref, const std::vector<double> &z)
{
parameters iOutput = iundefined_parameter;
parameters iOf = iundefined_parameter, iWrt = iundefined_parameter, iConstant = iundefined_parameter,
iOf1 = iundefined_parameter, iWrt1 = iundefined_parameter, iConstant1 = iundefined_parameter,
iWrt2 = iundefined_parameter, iConstant2 = iundefined_parameter;
double x1, x2;
if (get_debug_level()>5){
std::cout << format("%s:%d: _PropsSI(%s,%s,%g,%s,%g,%s,%s)\n",__FILE__,__LINE__,Output.c_str(),Name1.c_str(),Prop1,Name2.c_str(),Prop2,backend.c_str(),Ref.c_str(), vec_to_string(z).c_str()).c_str();
}
// The state we are going to use
shared_ptr<AbstractState> State;
// If the fractions of the components have been encoded in the string, extract them
// If they have not, this function does nothing
std::vector<double> fractions;
if (z.empty())
{
// Make a one-element vector
fractions = std::vector<double>(1, 1);
}
else{
// Make a copy
fractions = z;
}
std::string fluid_string = extract_fractions(Ref, fractions);
// We are going to let the factory function load the state
State.reset(AbstractState::factory(backend, fluid_string));
// First check if it is a trivial input (critical/max parameters for instance)
if (is_valid_parameter(Output, iOutput) && is_trivial_parameter(iOutput))
{
double val = State->trivial_keyed_output(iOutput);
return val;
}
long iName1 = get_parameter_index(Name1);
long iName2 = get_parameter_index(Name2);
if (State->using_mole_fractions()){
State->set_mole_fractions(fractions);
} else if (State->using_mass_fractions()){
State->set_mass_fractions(fractions);
} else if (State->using_volu_fractions()){
State->set_volu_fractions(fractions);
} else {
if (get_debug_level()>50) std::cout << format("%s:%d: _PropsSI, could not set composition to %s, defaulting to mole fraction.\n",__FILE__,__LINE__, vec_to_string(z).c_str()).c_str();
}
// Obtain the input pair
CoolProp::input_pairs pair = generate_update_pair(iName1, Prop1, iName2, Prop2, x1, x2);
// Update the state
State->update(pair, x1, x2);
if (iOutput != iundefined_parameter){
// Get the desired output
double val = State->keyed_output(iOutput);
// Return the value
return val;
}
else if (is_valid_first_derivative(Output, iOf, iWrt, iConstant)){
// Return the desired output
double val = State->first_partial_deriv(iOf, iWrt, iConstant);
// Return the value
return val;
}
else if (is_valid_second_derivative(Output, iOf1, iWrt1, iConstant1, iWrt2, iConstant2)){
// Return the desired output
double val = State->second_partial_deriv(iOf1, iWrt1, iConstant1, iWrt2, iConstant2);
// Return the value
return val;
}
else{
throw ValueError(format("Output [%s] is not a parameter or a string representation of a derivative",Output.c_str()).c_str());
}
}
