IFunctionGeneral.cpp

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2018 ISIS Rutherford Appleton Laboratory UKRI,
//   NScD Oak Ridge National Laboratory, European Spallation Source,
//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#include "MantidAPI/IFunctionGeneral.h"
 
namespace Mantid::API {
 
void IFunctionGeneral::function(const FunctionDomain &domain, FunctionValues &values) const {
  auto actualValuesSize = values.size();
  auto requiredValuesSize = getValuesSize(domain);
  if (actualValuesSize > 0 && requiredValuesSize > 0 && actualValuesSize != requiredValuesSize) {
    throw std::runtime_error("IFunctionGeneral: values object doesn't match domain.");
  }
  try {
    auto &generalDomain = dynamic_cast<const FunctionDomainGeneral &>(domain);
    functionGeneral(generalDomain, values);
  } catch (const std::bad_cast &) {
    throw std::invalid_argument("Provided domain is not of type FunctionDomainGeneral.");
  }
}
 
void IFunctionGeneral::functionDeriv(const FunctionDomain &domain, Jacobian &jacobian) {
  calNumericalDeriv(domain, jacobian);
}
 
size_t IFunctionGeneral::getValuesSize(const FunctionDomain &domain) const {
  if (domain.size() == 0 || getNumberDomainColumns() == 0) {
    return getDefaultDomainSize() * getNumberValuesPerArgument();
  }
  return domain.size() * getNumberValuesPerArgument();
}
 
size_t IFunctionGeneral::getDefaultDomainSize() const { return 0; }
 
} // namespace Mantid::API