checkScalarType {ifultools} | R Documentation |
Tests the input for being a scalar value and checks the class of the scalar. This function is meant to be used internally for function input argument verification and typically will not be used otherwise.
checkScalarType(x, isType="numeric")
x |
an S-PLUS object. |
isType |
a character string defining the class of the
object to be checked ala is(x,isType) . Default: "numeric" . |
no output is returned. If these tests fail, a stop
condition
is executed.
isVectorAtomic
, checkVectorType
, checkRange
.
## expect no output from the following calls checkScalarType(pi,"numeric") checkScalarType(100,"integer") checkScalarType(letters[1],"character")