///////////////////////////////////////////////////////////////////////////////+
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/// -*- coding: UTF-8 -*-+
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///+
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/// \file   Discovery/Inc/vpm.h+
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/// \brief  Varying Permeability Model (VPM) Decompression Program+
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/// \author Heinrichs Weikamp+
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/// \date   23.04.2013+
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///+
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/// $Id$+
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///////////////////////////////////////////////////////////////////////////////+
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/// \par Copyright (c) 2014-2018 Heinrichs Weikamp gmbh+
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///+
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///     This program is free software: you can redistribute it and/or modify+
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///     it under the terms of the GNU General Public License as published by+
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///     the Free Software Foundation, either version 3 of the License, or+
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///     (at your option) any later version.+
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///+
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///     This program is distributed in the hope that it will be useful,+
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///     but WITHOUT ANY WARRANTY; without even the implied warranty of+
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///     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the+
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///     GNU General Public License for more details.+
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///+
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///     You should have received a copy of the GNU General Public License+
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///     along with this program.  If not, see <http://www.gnu.org/licenses/>.+
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//////////////////////////////////////////////////////////////////////////////+
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+
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#ifndef VPM_H+
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#define VPM_H+
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+
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#include "buehlmann.h"+
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#include "data_central.h"+
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+
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extern long vpm_time_calc_begin;+
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enum DECOLIST{DECOSTOPS,FUTURESTOPS,BAILOUTSTOPS, OFF = -1}; // order is important!!+
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enum VPM_CALC_STATUS{CALC_END, CALC_BEGIN, CALC_CRITICAL, CALC_FINAL_DECO, CALC_NDL };+
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+
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typedef enum+
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{+
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	VPM_TABLE_INIT = 0,+
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	VPM_TABLE_ACTIVE,+
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	VPM_TABLE_WARNING,+
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	VPM_TABLE_MISSED+
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} SvpmTableState;+
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+
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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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+
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int  vpm_calc(SLifeData* pINPUT, SDiveSettings* diveSettings, SVpm* pVPM, SDecoinfo*  pDECOINFO, int calc_what);+
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void  vpm_saturation_after_ascent(SLifeData* input);+
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extern  const float helium_time_constant[16];+
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extern  const float nitrogen_time_constant[16];+
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+
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float vpm_get_CNS(void);+
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+
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void vpm_table_init(void);+
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uint8_t vpm_get_decozone(void);+
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SvpmTableState vpm_get_TableState(void);+
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+
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+
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#endif /* VPM_H */+
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