public pure subroutine assumeIsEven(input, output, error)
Check the input
string to see if it holds an even value with the assumption that the string is a valid decimal integer string.
This subroutine ignores leading and trailing whitespaces.
This subroutine considers an error to has occurred if the input
string is empty(only spaces) or is 0 length.
Arguments
Type | Intent | Optional | Attributes | Name | ||
---|---|---|---|---|---|---|
character(len=*), | intent(in) | :: | input | A string. | ||
logical, | intent(out) | :: | output |
| ||
logical, | intent(out) | :: | error | A value of |