PGI Fortran - Servidor WWW del Cluster Ladon-Hidra

VERIFY 90Verify that a character string contains all characters from a set of characters.SynopsisVERIFY(STRING, SET [,BACK])ArgumentsThe arguments STRING and SET are of type character. The optional argument BACK is of typelogical.Return ValueThe return value is an integer. The function returns the position of the first (or last) character thatis not in the set. BACK is a logical that determines if the first or last character position is returned.If BACK is present and true, the position of the right-most character is returned. If BACK is notpresent or present and false, the position of the left-most character is returned.XOR § 77Performs a logical exclusive OR on each bit of the arguments.SynopsisXOR(M, N)ArgumentsThe arguments M and N must be of integer type.Return ValueThe return value is an integer type.ZEXT § 77Zero-extend the argument.SynopsisZEXT(A)ArgumentsThe argument A is of type logical or integer.248 Chapter 6