' sample statement written in the calling routine
SUB TRANSLATE()
HS.TRANS "A#FXO","A#FXO","A#EOP_RATE",“”
HS.EXP "A#FXO = A#OPEN * (" & RATE("A#EOP_RATE"," ") & "-" & RATE("A#OPE_RATE"," ") &")"
END SUB
' programming of the RATE function
FUNCTION RATE(sRATE,sTRI)
DIM sCCUR, sPCUR, sACUR, bRET, retValue, s3rdCUR
DIM i
sRATE = UCASE(sRATE)
sTRI = UCASE(sTRI)
sCCUR = UCASE(HS.ENTITY.DEFCURRENCY(“”))
sPCUR = UCASE(HS.VALUE.CURRENCY)
sACUR = UCASE(HS.APPSETTINGS.CURRENCY)
retValue = 0
' check whether there is a triangulation specified, or if triangulation or application currencies are the same as either parent or child and set up the select case
IF sTRI = sCCUR OR sTRI = sPCUR OR (sTRI = " " AND (sACUR = sCCUR OR sACUR = sPCUR)) THEN
i = 1
ELSEIF sTRI <> " " THEN
i = 2
ELSE
i = 3
END IF
SELECT CASE i
CASE 1
' bRET is a boolean that returns true if data is found. First search the child...
' ...then search the [None] entity
bRET = GETVALUECP(".V#<Entity Currency>",retValue,sRATE,sCCUR,sPCUR)
IF NOT bRET THEN
bRET = GETVALUECP(".E#[None]",retValue,sRATE,sCCUR,sPCUR)
END IF
CASE 2
' use a dynamic parameter name for ease of writing the triangulation checks
s3rdCUR = sTRI
bRET = GETVALUE3(".V#<Entity Currency>",retValue,sRATE,sCCUR,sPCUR,s3rdCUR)
IF NOT bRET THEN
bRET = GETVALUE3(".E#[None]",retValue,sRATE,
sCCUR,sPCUR,s3rdCUR)
END IF
CASE 3
' this case is used when the 2nd parameter is blank and is the most complex.
' first check direct rates in the child…
' … then check triangulation against application currency in the child
' then check direct rates in [None].
'… finally check triangulation in [None]
s3rdCUR = sACUR
bRET = GETVALUECP(".V#<Entity Currency>",retValue,sRATE,sCCUR,sPCUR)
IF NOT bRET THEN
bRET = GETVALUE3(".V#<Entity Currency>",retValue,sRATE,sCCUR,sPCUR,s3rdCUR)
IF NOT bRET THEN
bRET = GETVALUECP(".E#[None]",retValue,sRATE,sCCUR,sPCUR)
IF NOT bRET THEN
bRET = GETVALUE3(".E#[None]",retValue,
sRATE,sCCUR,sPCUR,s3rdCUR)
END IF
END IF
END IF
END SELECT
IF bRET THEN
RATE = retValue
ELSE
RATE = 1
END IF
END FUNCTION
FUNCTION GETVALUECP(sENTITY,sVALUE,sRATE,sCCUR,sPCUR)
' this sub-function is used when comparing direct rates between child and parent
GETVALUECP = FALSE
' check if data exists for direct rate child to parent. If it does return it.
' if no direct child to parent rate check for indirect parent to child rate...
' return the inverse of the indirect rate.
IF HS.GETCELL(sRATE & ".C1#" & sCCUR & ".C2#" & sPCUR & sENTITY) <> 0 THEN
sVALUE = CDBL(HS.GETCELL(sRATE & ".C1#" & sCCUR & ".C2#" & sPCUR & sENTITY))
GETVALUECP = TRUE
ELSEIF HS.GETCELL(sRATE & ".C1#" & sPCUR & ".C2#" & sCCUR & sENTITY) <> 0 THEN
sVALUE = CDBL(1 / HS.GETCELL(sRATE & ".C1#" & sPCUR & ".C2#" & sCCUR & sENTITY))
GETVALUECP = TRUE
END IF
END FUNCTION
FUNCTION GETVALUE3(sENTITY,sVALUE,sRATE,sCCUR,sPCUR,s3rdCUR)
' this sub-function is used when triangulating
' check if data exists for direct rate child to triangulation…
' … if it does return the direct relative rate child to parent…
' if no direct child to triangulation rate check for indirect triangulation to child rate…
' … return the inverse of the indirect relative rates.
GETVALUE3 = FALSE
IF HS.GETCELL(sRATE & ".C1#" & sCCUR & ".C2#" & s3rdCUR & sENTITY) <> 0 THEN
sVALUE = CDBL(HS.GETCELL(sRATE & ".C1#" & sCCUR & ".C2#" & s3rdCUR & sENTITY) / HS.GETCELL(sRATE & ".C1#" & sPCUR & ".C2#" & s3rdCUR & sENTITY))
GETVALUE3 = TRUE
ELSEIF HS.GETCELL(sRATE & ".C1#" & s3rdCUR & ".C2#" & sCCUR & sENTITY) <> 0 THEN
sVALUE = CDBL(HS.GETCELL(sRATE & ".C1#" & s3rdCUR & ".C2#" & sPCUR & sENTITY) / HS.GETCELL(sRATE & ".C1#" & s3rdCUR & ".C2#" & sCCUR & sENTITY))
GETVALUE3 = TRUE
END IF
END FUNCTION