mifi_constants.h

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/*
 * Fimex, mifi_constants.h
 *
 * (C) Copyright 2011, met.no
 *
 * Project Info:  https://wiki.met.no/fimex/start
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library 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 Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 *  Created on: Jul 28, 2011
 *      Author: Heiko Klein
 */

#ifndef MIFI_CONSTANTS_H_
#define MIFI_CONSTANTS_H_

// math.h needed for MIFI_NAN
#include <math.h>
// stddef.h needed for size_t
#include <stddef.h>

#define MIFI_PI 3.1415926535897932384626433832795


enum mifi_interpol_method {
    MIFI_INTERPOL_UNKNOWN = -1,
    MIFI_INTERPOL_NEAREST_NEIGHBOR = 0,
    MIFI_INTERPOL_BILINEAR,
    MIFI_INTERPOL_BICUBIC,
    MIFI_INTERPOL_COORD_NN,
    MIFI_INTERPOL_COORD_NN_KD,
    MIFI_INTERPOL_FORWARD_SUM,
    MIFI_INTERPOL_FORWARD_MEAN,
    MIFI_INTERPOL_FORWARD_MEDIAN,
    MIFI_INTERPOL_FORWARD_MAX,
    MIFI_INTERPOL_FORWARD_MIN,
     MIFI_INTERPOL_FORWARD_UNDEF_SUM,
     MIFI_INTERPOL_FORWARD_UNDEF_MEAN,
     MIFI_INTERPOL_FORWARD_UNDEF_MEDIAN,
     MIFI_INTERPOL_FORWARD_UNDEF_MAX,
     MIFI_INTERPOL_FORWARD_UNDEF_MIN
};

#define MIFI_VECTOR_KEEP_SIZE 0

#define MIFI_VECTOR_RESIZE    1


#define MIFI_VINT_PRESSURE 0

#define MIFI_VINT_HEIGHT 1

#define MIFI_VINT_DEPTH 2

#define MIFI_VINT_SIGMA 3

#define MIFI_VINT_ALTITUDE 4

enum mifi_vertical_interpol_method {
    MIFI_VINT_METHOD_LIN=0,
    MIFI_VINT_METHOD_LOG=1,
    MIFI_VINT_METHOD_LOGLOG=2,
    MIFI_VINT_METHOD_NN=3,
    MIFI_VINT_METHOD_LIN_WEAK_EXTRA=4,
    MIFI_VINT_METHOD_LIN_NO_EXTRA=5,
    MIFI_VINT_METHOD_LIN_CONST_EXTRA=6
};


#define MIFI_EARTH_GRAVITY 9.80665

#define MIFI_MOLAR_MASS_DRY_AIR 0.0289644

#define MIFI_GAS_CONSTANT 8.31432

#define MIFI_T0 273.15

#ifdef __cplusplus
#include <limits>
#define MIFI_UNDEFINED_F (std::numeric_limits<float>::quiet_NaN())

#define MIFI_UNDEFINED_D (std::numeric_limits<double>::quiet_NaN())
#else

#define MIFI_UNDEFINED_F (nanf(""))

#define MIFI_UNDEFINED_D (nan(""))
#endif

#define MIFI_ERROR -1

#define MIFI_OK 1

#define MIFI_PROJ_AXIS 0

#define MIFI_LONGITUDE 1

#define MIFI_LATITUDE 2

#define MIFI_DEBUG 0

#endif /* MIFI_CONSTANTS_H_ */