インテル® Fortran コンパイラー XE 13.1 ユーザー・リファレンス・ガイド
Elemental Intrinsic Function (Specific): Converts a character string to a REAL(16) value. This function cannot be passed as an actual argument.
result = QNUM (i)
i
(Input) Must be of type character.
The result type is REAL(16). The result value is the real value represented by the character string i.
QNUM ("-174.23") has the value -174.23 of type REAL(16).