RunModel_GR6J.R

RunModel_GR6J <- function(InputsModel, RunOptions, Param) {
  
  
  ## Initialization of variables
  NParam <- 6
  FortranOutputs <- .FortranOutputs(GR = "GR6J")$GR
  
  
  ## Arguments_check
  if (inherits(InputsModel, "InputsModel") == FALSE) {
    stop("'InputsModel' must be of class 'InputsModel'")
  }  
  if (inherits(InputsModel, "daily"      ) == FALSE) {
    stop("'InputsModel' must be of class 'daily'      ")
  }  
  if (inherits(InputsModel, "GR"         ) == FALSE) {
    stop("'InputsModel' must be of class 'GR'         ")
  }  
  if (inherits(RunOptions, "RunOptions"  ) == FALSE) {
    stop("'RunOptions' must be of class 'RunOptions'  ")
  }  
  if (inherits(RunOptions, "GR"          ) == FALSE) {
    stop("'RunOptions' must be of class 'GR'          ")
  }  
  if (!is.vector(Param) | !is.numeric(Param)) {
    stop("'Param' must be a numeric vector")
  }
  if (sum(!is.na(Param)) != NParam) {
    stop(paste("'Param' must be a vector of length ", NParam, " and contain no NA", sep = ""))
  }
  Param <- as.double(Param)
  
  Param_X1X3X6_threshold <- 1e-2
  Param_X4_threshold     <- 0.5
  if (Param[1L] < Param_X1X3X6_threshold) {
    warning(sprintf("Param[1] (X1: production store capacity [mm]) < %.2f\n X1 set to %.2f", Param_X1X3X6_threshold, Param_X1X3X6_threshold))
    Param[1L] <- Param_X1X3X6_threshold
  }
  if (Param[3L] < Param_X1X3X6_threshold) {
    warning(sprintf("Param[3] (X3: routing store capacity [mm]) < %.2f\n X3 set to %.2f", Param_X1X3X6_threshold, Param_X1X3X6_threshold))
    Param[3L] <- Param_X1X3X6_threshold
  }
  if (Param[4L] < Param_X4_threshold) {
    warning(sprintf("Param[4] (X4: unit hydrograph time constant [d]) < %.2f\n X4 set to %.2f", Param_X4_threshold, Param_X4_threshold))
    Param[4L] <- Param_X4_threshold
  }
  if (Param[6L] < Param_X1X3X6_threshold) {
    warning(sprintf("Param[6] (X6: coefficient for emptying exponential store [mm]) < %.2f\n X6 set to %.2f", Param_X1X3X6_threshold, Param_X1X3X6_threshold))
    Param[6L] <- Param_X1X3X6_threshold
  }      
  
  ## Input_data_preparation
  if (identical(RunOptions$IndPeriod_WarmUp, as.integer(0))) {
    RunOptions$IndPeriod_WarmUp <- NULL
  }
  IndPeriod1   <- c(RunOptions$IndPeriod_WarmUp, RunOptions$IndPeriod_Run)
  LInputSeries <- as.integer(length(IndPeriod1))
  if ("all" %in% RunOptions$Outputs_Sim) {
    IndOutputs <- as.integer(1:length(FortranOutputs)) 
  } else {
    IndOutputs <- which(FortranOutputs %in% RunOptions$Outputs_Sim)
  }
  
  ## Output_data_preparation
  IndPeriod2     <- (length(RunOptions$IndPeriod_WarmUp)+1):LInputSeries
  ExportDatesR   <- "DatesR"   %in% RunOptions$Outputs_Sim
  ExportStateEnd <- "StateEnd" %in% RunOptions$Outputs_Sim
  
  ## Use_of_IniResLevels
  if (!is.null(RunOptions$IniResLevels)) {