compile subroutine rds_resrho_valid(ConvType, DataIo, Branch, ReturnedValue)
begin condition
pre:
post:
end condition
declare function msg, get_property, set_property
declare subroutine update_index, extract_si_keys

$insert logical
$insert msg_equates
$insert rds_equ
$insert rds_layer_info_equ

equ valid$         to 0    ;* successful
equ invalid_msg$   to 1    ;* bad data       -   print error message window
equ invalid_conv$  to 2    ;* bad conversion -          "         "
equ invalid_nomsg$ to 3    ;* bad but do not print the error message window
equ CrLf$          to char(13):char(10)

ReturnedValue = DataIo       
status() = Valid$
begin case
   case ConvType = 'ICONV'
       ResMin = get_property( @window:'.RES_MIN', 'TEXT' )
       ResMax = get_property( @window:'.RES_MAX', 'TEXT' )
       if get_property( @window:'.RES_UNITS', 'TEXT' ) = 'ê/Ü' then
          * ohms squared use the sheetRHO
          * entered as whole number so must add two zero's for md2 for comparison
          TDataIo = oconv( DataIo, 'MD2' )
	       if ( TDataIo >= ResMin ) and ( TDataIo <= ResMax ) else
	          Msg = quote( TDataIo ):' does not fall into the Sheet RHO specification...':CrLf$:ResMin:' - ':ResMax:'.':Crlf$:'Please verify that this is the correct reading.'
	          MsgInfo = ''
	          MsgInfo<mtext$> = Msg
	          MsgInfo<micon$> = '!'
	          Void = msg( '', MsgInfo )
	          *status() = invalid_nomsg$
	          * let it be valid cause it may really be out of spec
	       end
       end else
          * use resistivity do resistivity symbollic calculation
          Row = get_property( @window, '@SheetRHOPos' )
          if Row = '' then
             * problem control does not set @SheetRHOPos if entering on the top line  
             Row = 1
          end
          *PartNum = xlate( 'RDS', get_property( @window:'.RDS_NO', 'TEXT' ), rds_part_num$, 'X' )
          * moto part # may terminate with LL or L so swap LL with '' and then if part[-1,1] = L then
          * set to ''
          *swap 'LL' with '' in PartNum
          *if PartNum[-1,1] = 'L' then
          *   PartNum[-1,1] = ''
          *end
          *MotoTotThick2ndResPns = xlate( 'CONFIG', 'MOTO_TOTTHICK_2ND_RES_PNS', '', 'X' )
          *locate PartNum in MotoTotThick2ndResPns using @vm setting Fpos then
          *   * use the 2nd layer target thickness cause motorola wants this
          *   LayerInfo = get_property( @window:'.LAYER_INFO', 'TEXT' )
          *   Thickness = LayerInfo<1,RLThickTarget$>
          *   * user 2nd layer res ranges
          *   ResMin    = oconv( LayerInfo<1,RLResMin$>, 'MD2' )
          *   ResMax    = oconv( LayerInfo<1,RLResMax$>, 'MD2' )
          *   AddlMsg   = ' for layer 2 ' 
          *end else
             AllThickness = get_property( @window:'.THICKNESS_READINGS', 'ARRAY' )          
             Thickness = iconv( AllThickness<1,Row>, 'MD2' )
             ThickOvr  = xlate( 'RDS', get_property( @window:'.RDS_NO', 'TEXT' ), rds_thick_ovr_growth_avg$, 'X' )
             if ThickOvr <> '' then
                Thickness = ThickOvr 
             end             
             AddlMsg   = ''
          *end
          Res = oconv( DataIo * Thickness * .00001, 'MD3' )
	       if ( Res >= ResMin ) and ( Res <= ResMax ) then
	          * OK
	       end else
	          Msg = 'Thickness of ':oconv( Thickness, 'MD2' ):' and Sheet RHO of ':oconv( DataIo, 'MD2' ):' calculates a resistivity of ':quote( Res ):' which does not fall into the Resistivity specification...':AddlMsg:CrLf$:ResMin:' - ':ResMax:'.':Crlf$:'Please verify that this is the correct reading.'
	          MsgInfo = ''
	          MsgInfo<mtext$> = Msg
	          MsgInfo<micon$> = '!'
	          Void = msg( '', MsgInfo )
	          *status() = invalid_nomsg$
	          * let it be valid cause it may really be out of spec
	       end
          if ( @window = 'RDS_LAYERS' ) then
             * HAVE TO STAMP IN THE RESISTIVITY CAUSE WE CAN'T CALCULATE THE 
             * SYMBOLLIC LIKE THE MAIN LAYER CAN
			    CurRes = get_property( @window:'.RES_READINGS', 'ARRAY' )
			    CurRes<1,Row> = Res
			    Void = set_property( @window:'.RES_READINGS', 'ARRAY', CurRes )
	       end
       end	       	       
   case ConvType = 'OCONV'
      * no output
      ReturnedValue = DataIo
   case otherwise$
      ReturnedValue = ''
      status() = invalid_conv$
end case
return