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Make time info gpu capable #1678

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Make time info gpu capable #1678

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71733dc
Modify class that holds timestep information so that it can be used o…
btalamini Oct 9, 2026
9af1a24
Rename constructor arguments for clarity
btalamini Oct 9, 2026
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25 changes: 13 additions & 12 deletions src/smith/physics/common.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,8 @@
* @brief A file defining some enums and structs that are used by the different physics modules
*/
#pragma once
#include <utility>

#include "smith/numerics/functional/tuple.hpp"

namespace smith {

Expand All @@ -24,31 +25,31 @@ struct TimeInfo {
};

/// @brief constructor
TimeInfo(double t, double t_step, size_t c = 0, EvaluationMode mode = EvaluationMode::Regular)
: time_(std::make_pair(t, 0.0)), dt_(std::make_pair(t_step, 0.0)), cycle_(c), mode_(mode)
SMITH_HOST_DEVICE TimeInfo(double t, double dt, size_t cycle = 0, EvaluationMode mode = EvaluationMode::Regular)
: time_(tuple<double, double>{t, 0.0}), dt_(tuple<double, double>{dt, 0.0}), cycle_(cycle), mode_(mode)
{
}

/// @brief accessor for the current time
double time() const { return time_.first + dt_.first; }
SMITH_HOST_DEVICE double time() const { return get<0>(time_) + get<0>(dt_); }

/// @brief accessor for dt
double dt() const { return dt_.first; }
SMITH_HOST_DEVICE double dt() const { return get<0>(dt_); }

/// @brief accessor for cycle
size_t cycle() const { return cycle_; }
SMITH_HOST_DEVICE size_t cycle() const { return cycle_; }

/// @brief true when evaluating the startup acceleration solve.
bool isCycleZeroEvaluation() const { return mode_ == EvaluationMode::CycleZero; }
SMITH_HOST_DEVICE bool isCycleZeroEvaluation() const { return mode_ == EvaluationMode::CycleZero; }

/// @brief accessor for residual evaluation mode.
EvaluationMode mode() const { return mode_; }
SMITH_HOST_DEVICE EvaluationMode mode() const { return mode_; }

private:
std::pair<double, double> time_; ///< time and its dual
std::pair<double, double> dt_; ///< timestep and its dual
size_t cycle_; ///< cycle, step, iteration count
EvaluationMode mode_; ///< residual evaluation mode
tuple<double, double> time_; ///< time and its dual
tuple<double, double> dt_; ///< timestep and its dual
size_t cycle_; ///< cycle, step, iteration count
EvaluationMode mode_; ///< residual evaluation mode
};

/**
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