e/Arithmetic IF

Information
has gloss	eng: The arithmetic IF statement has been for several decades a three-way arithmetic conditional statement, starting from the very early version (1957) of Fortran, and including FORTRAN IV, FORTRAN 66 and FORTRAN 77. Unlike the logical IF statements seen in other languages, the Fortran statement defines three different branches depending on whether the result of an expression was negative, zero, or positive, in said order, written as:
lexicalization	eng: arithmetic IF
instance of	c/Conditional constructs