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1 ///////////////////////////////////////////////////////////////////////////////
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2 /// -*- coding: UTF-8 -*-
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3 ///
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4 /// \file Discovery/Inc/vpm.h
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5 /// \brief Varying Permeability Model (VPM) Decompression Program
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6 /// \author Heinrichs Weikamp
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7 /// \date 23.04.2013
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8 ///
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9 /// $Id$
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10 ///////////////////////////////////////////////////////////////////////////////
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11 /// \par Copyright (c) 2014-2018 Heinrichs Weikamp gmbh
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12 ///
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13 /// This program is free software: you can redistribute it and/or modify
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14 /// it under the terms of the GNU General Public License as published by
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15 /// the Free Software Foundation, either version 3 of the License, or
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16 /// (at your option) any later version.
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17 ///
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18 /// This program is distributed in the hope that it will be useful,
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19 /// but WITHOUT ANY WARRANTY; without even the implied warranty of
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20 /// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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21 /// GNU General Public License for more details.
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22 ///
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23 /// You should have received a copy of the GNU General Public License
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24 /// along with this program. If not, see <http://www.gnu.org/licenses/>.
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25 //////////////////////////////////////////////////////////////////////////////
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26
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27 #ifndef VPM_H
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28 #define VPM_H
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29
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30 #include "buehlmann.h"
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31 #include "data_central.h"
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32
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33 extern long vpm_time_calc_begin;
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34 enum DECOLIST{DECOSTOPS,FUTURESTOPS,BAILOUTSTOPS, OFF = -1}; // order is important!!
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35 enum VPM_CALC_STATUS{CALC_END, CALC_BEGIN, CALC_CRITICAL, CALC_FINAL_DECO, CALC_NDL };
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38
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36
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37 float schreiner_equation__2(float *initial_inspired_gas_pressure,float *rate_change_insp_gas_pressure,float *interval_time_minutes, const float *gas_time_constant,float *initial_gas_pressure);
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38
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39 int vpm_calc(SLifeData* pINPUT, SDiveSettings* diveSettings, SVpm* pVPM, SDecoinfo* pDECOINFO, int calc_what);
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40 void vpm_saturation_after_ascent(SLifeData* input);
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41 extern const float helium_time_constant[16];
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42 extern const float nitrogen_time_constant[16];
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43
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44 float vpm_get_CNS(void);
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45
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46 void vpm_table_init(void);
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47
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38
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48
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49 #endif /* VPM_H */
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