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b56dd13add
No more C source files, no more necessity to use C-linkage. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
81 lines
2.8 KiB
C++
81 lines
2.8 KiB
C++
// SPDX-License-Identifier: GPL-2.0
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#ifndef DECO_H
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#define DECO_H
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#include "units.h"
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#include "gas.h"
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#include "divemode.h"
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#include <memory>
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struct dive;
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struct divecomputer;
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struct decostop;
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struct deco_state {
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double tissue_n2_sat[16];
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double tissue_he_sat[16];
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double tolerated_by_tissue[16];
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double tissue_inertgas_saturation[16];
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double buehlmann_inertgas_a[16];
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double buehlmann_inertgas_b[16];
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double max_n2_crushing_pressure[16];
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double max_he_crushing_pressure[16];
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double crushing_onset_tension[16]; // total inert gas tension in the t* moment
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double n2_regen_radius[16]; // rs
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double he_regen_radius[16];
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double max_ambient_pressure; // last moment we were descending
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double bottom_n2_gradient[16];
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double bottom_he_gradient[16];
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double initial_n2_gradient[16];
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double initial_he_gradient[16];
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pressure_t first_ceiling_pressure;
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pressure_t max_bottom_ceiling_pressure;
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int ci_pointing_to_guiding_tissue;
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double gf_low_pressure_this_dive;
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int deco_time;
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bool icd_warning;
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int sum1;
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long sumx, sumxx;
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double sumy, sumxy;
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int plot_depth;
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};
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extern const double buehlmann_N2_t_halflife[];
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extern int deco_allowed_depth(double tissues_tolerance, double surface_pressure, const struct dive *dive, bool smooth);
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double get_gf(struct deco_state *ds, double ambpressure_bar, const struct dive *dive);
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extern void clear_deco(struct deco_state *ds, double surface_pressure, bool in_planner);
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extern void dump_tissues(struct deco_state *ds);
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extern void set_gf(short gflow, short gfhigh);
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extern void set_vpmb_conservatism(short conservatism);
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extern void nuclear_regeneration(struct deco_state *ds, double time);
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extern void vpmb_start_gradient(struct deco_state *ds);
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extern void vpmb_next_gradient(struct deco_state *ds, double deco_time, double surface_pressure, bool in_planner);
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extern double tissue_tolerance_calc(struct deco_state *ds, const struct dive *dive, double pressure, bool in_planner);
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extern void calc_crushing_pressure(struct deco_state *ds, double pressure);
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extern void vpmb_start_gradient(struct deco_state *ds);
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extern void clear_vpmb_state(struct deco_state *ds);
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extern void add_segment(struct deco_state *ds, double pressure, struct gasmix gasmix, int period_in_seconds, int setpoint, enum divemode_t divemode, int sac, bool in_planner);
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extern double regressiona(const struct deco_state *ds);
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extern double regressionb(const struct deco_state *ds);
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extern void reset_regression(struct deco_state *ds);
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extern void update_regression(struct deco_state *ds, const struct dive *dive);
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struct deco_state_cache {
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// Test if there is cached data
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operator bool () {
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return !!data;
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}
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void cache(const struct deco_state *source);
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void restore(struct deco_state *target, bool keep_vpmb_state) const;
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private:
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std::unique_ptr<deco_state> data;
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};
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#endif // DECO_H
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