f$isnullfloat (f$IstNullZahl)
f$isnullfloat (f$IstNullZahl)
This function verifies if the given parameter has a value. If the parameter is NOVAL or UNDEF, 0 or the specified default value is returned. If the parameter has a value, it is returned. The parameter must be of integer or decimal type.
Syntax: | Value = f$isnullfloat(Parametername[,Default]) | ||
| Argument | Type | Meaning |
| ParaName | String | Name of the parameter to be verified |
| Default | Decimal | Return value if the parameter is NOVAL or UNDEF. |
Result: | Decimal | Parameter value, default value, or 0 | |
Example: | Value = f$isnullfloat('Value') | ||