/*
bgc_io.h
header file to hold the structures used to communicate with bgc()
also contains the function prototype for bgc()

*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
Biome-BGC version 4.1.2
Copyright 2002, Peter E. Thornton
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*/

/* structure for passing input parameters to bgc() */
typedef struct
{
	restart_data_struct restart_input;  /* input restart data */
	control_struct ctrl;    /* bgc control variables */
	ramp_ndep_struct ramp_ndep;  /* ramped Ndep information */
	co2control_struct co2;  /* CO2 concentration information */
	metarr_struct metarr;   /* meteorological data array */
	wstate_struct ws;       /* water state variables */
	cinit_struct cinit;     /* first-year values for leafc and stemc */
	cstate_struct cs;       /* carbon state variables */
	nstate_struct ns;       /* nitrogen state variables */
	siteconst_struct sitec; /* site constants */
	epconst_struct epc;     /* ecophysiological constants */
} bgcin_struct;

/* structure for output handling from bgc() */
typedef struct
{
	restart_data_struct restart_output; /* output restart data */
	file dayout;            /* file containing daily output */
	file monavgout;         /* file containing monthly average output */
	file annavgout;         /* file containing annual average output */
	file annout;            /* file containing annual output */
	file anntext;           /* file containing simple annual text output */
	double spinup_resid_trend; /* kgC/m2/yr remaining trend after spinup */
	int spinup_years;       /* number of years before reaching steady-state */
} bgcout_struct;

/* function prototypes for calling bgc */
int bgc(bgcin_struct* bgcin, bgcout_struct* bgcout);
int spinup_bgc(bgcin_struct* bgcin, bgcout_struct* bgcout);