Rain gage input, state, and rainfall retrieval. More...

#include <string.h>
#include <math.h>
#include "headers.h"

Include dependency graph for gage.c:

Functions
int	gage_readParams (int gageIndex, char *tok[], int ntoks)
	Reads rain gage parameters from a line of input data.

void	gage_validate (int gageIndex)
	Checks for valid rain gage parameters.

void	gage_initState (int j)
	Initializes state of a rain gage.

void	gage_setState (int j, DateTime t)
	Updates state of rain gage for specified date.

void	gage_updatePastRain (int gageIndex, int tStep)
	Updates past MAXPASTRAIN hourly rain totals.

double	gage_getPastRain (int j, int n)
	Retrieves rainfall total over some previous number of hours.

DateTime	gage_getNextRainDate (int gageIndex, DateTime aDate)
	Finds the next date from specified date when rainfall occurs.

double	gage_getPrecip (int gageIndex, double rainfall, double snowfall)
	Determines whether gage's recorded rainfall is rain or snow.

void	gage_setReportRainfall (int gageIndex, DateTime reportDate)
	Sets the rainfall value reported at the current reporting time.

Detailed Description

Rain gage input, state, and rainfall retrieval.

Author: Caleb Buahin caleb.nosp@m..bua.nosp@m.hin@g.nosp@m.mail.nosp@m..com (OpenSWMM maintenance and extensions)

Copyright: Copyright (c) 2026 Caleb Buahin. OpenSWMM contributions only; original EPA SWMM credits are retained.

License: Apache-2.0 for OpenSWMM contributions; original EPA SWMM provenance is retained.

Macro Definition Documentation

#define _CRT_SECURE_NO_DEPRECATE

const double OneSecond = 1.1574074e-5