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/*
% Copyright (C) 2005-2012,2015 Alois Schloegl <alois.schloegl@ist.ac.at>
% This file is part of the "BioSig for C/C++" repository
% (biosig4c++) at http://biosig.sf.net/
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 3
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/****************************************************************************
** **
** Conversion functions for encoded physical units according to **
** ISO/IEEE 11073-10101:2004 Vital Signs Units of Measurement **
** **
****************************************************************************/
#ifndef __PHYSICALUNITS_H__
#define __PHYSICALUNITS_H__
#if defined(_MSC_VER) && (_MSC_VER < 1600)
typedef unsigned __int64 uint16_t;
#else
#include <inttypes.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
uint16_t PhysDimCode(const char* PhysDim);
/* Encodes Physical Dimension as 16bit integer according to
ISO/IEEE 11073-10101:2004 Vital Signs Units of Measurement
Leading and trailing whitespace are skipped.
--------------------------------------------------------------- */
const char* PhysDim3(uint16_t PhysDimCode);
/* converts PhysDimCode into a readable Physical Dimension
--------------------------------------------------------------- */
double PhysDimScale(uint16_t PhysDimCode);
/* returns scaling factor of physical dimension
e.g. 0.001 for milli, 1000 for kilo etc.
for undefined codes, not-a-number (NAN) is returned
--------------------------------------------------------------- */
#ifdef __cplusplus
}
#endif
#endif /* __PHYSICALUNITS_H__ */
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