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/*!\internal
 * \file
 * \brief
 * Implements setprecision class.
 *
 * \author Paul Bauer <paul.bauer.q@gmail.com>
 * \ingroup module_coordinateio
 */

#include "gmxpre.h"

#include "setprecision.h"

#include <cmath>

#include <string>

#include "gromacs/trajectory/trajectoryframe.h"
#include "gromacs/utility/exceptions.h"

namespace gmx
{

void SetPrecision::checkAbilityDependencies(unsigned long abilities) const
{
    if ((abilities & convertFlag(moduleRequirements_)) == 0U)
    {
        std::string errorMessage =
                "Output file type does not support writing variable precision. "
                "Only XTC and TNG support variable precision.";
        GMX_THROW(InconsistentInputError(errorMessage));
    }
}

void SetPrecision::processFrame(const int /*framenumber*/, t_trxframe* input)
{
    input->prec  = std::pow(10, precision_);
    input->bPrec = true;
}

} // namespace gmx
