`infinite?``Z`procedureIs the number

`Z``+inf.0`or`-inf.0`, or a complex number containing either infinity as its real or imaginary part?From R6RS and R7RS.

**Note**: This is**not**the inverse of`finite?`, since it produces`#f`on`nan.0`(or complex numbers containing`nan.0`), while`finite?`also returns`#f`in that case.