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digit.f File Reference

Check whether the characters in a string are all numeric. More...

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Functions/Subroutines

LOGICAL function digit (STR)
 This logical function checks whether the characters in a string are all numeric. More...
 

Detailed Description

Check whether the characters in a string are all numeric.

Definition in file digit.f.

Function/Subroutine Documentation

LOGICAL function digit ( character*(*)  STR)

This logical function checks whether the characters in a string are all numeric.

Author
J. Woollen
Date
1994-01-06
Parameters
[in]STR– character*(*): String
Returns
digit – logical: .TRUE. if all characters in STR are numeric; .FALSE. otherwise

Program History Log:

Date Programmer Comments
1994-01-06 J. Woollen Original author
2007-01-19 J. Ator Simplified logic
2009-03-23 J. Ator Fixed minor bug caused by typo

Definition at line 21 of file digit.f.

Referenced by cktaba(), numbck(), and stntbia().