Message The function "<routine name>" is not a known intrinsic function and cannot be used with #pragma intrinsic. Pragma not applied to this function. Description A function identifier specified in a #pragma intrinsic directive is not a valid intrinsic function on this platform. The pragma will not be applied to this identifier, leaving it to be treated as an ordinary function. User Action Either correct the function name to specify an intrinsic supported for this platform, or remove it from the pragma.