IEEECK is called from the ILAENV to verify that Infinity and possibly NaN arithmetic is safe (i.e. will not trap).
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| integer(kind=ilp), | intent(in) | :: | ispec | |||
| real(kind=sp), | intent(in) | :: | zero | |||
| real(kind=sp), | intent(in) | :: | one |