par_utils.h

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#ifndef _PARUTILS_H
#define _PARUTILS_H
 
#include <stdio.h>
#include <math.h>
#include "l2_struc.h"
#include "filehandle.h"
#include "l12_proto.h"
 
//typedef int logical;
// #define FALSE 0
// #define TRUE 1
#define NMODEL 12
#define NPHASE 75
 
float calc_par(
        l2str *l2rec,
        int ip,
        int nbands,
        float *Lt,
        float taua,
        float angstrom,
        float *wl,
        float *fo,
        float *ko3,
        float *taumolbar);
 
void GetAerPhase(l2str *l2rec, int ip, int32_t nbands, float angstrom, float *phasea,
        float *omegaa, float *modelAngstrom);
 
void read_aerosol_par(l2str *l2rec, int32_t nbands, float *tablewavelengths, float *tablephaseangles,
        float *tablealphas, float *tableomegas, float *tableaerphasefunc);
 
void* allocateMemoryPar(size_t numBytes, const char* name);
 
float EstimateDobson(int32_t year, int32_t month, int32_t day, float lat);
 
float EstimateWatVap(int32_t year, int32_t month, int32_t day, float lat);
 
float varsol(int32_t jday);
void triseset(int32_t jday, float xlon, float xlat, float *trise, float *tset);
int Greg2Jul(int32_t year, int32_t month, int32_t day);
 
// return solar zenith - ignore solar azimuth angle
float get_solz(int jday, float time, float lon, float lat);
 
float interp_as_taulow(float csz, float tau);
 
float interp_as_tauhigh(float csz);
 
#endif