DC_TRACE 1 DC_TYPES 1 PRESENT_AND_EQ_DOUBLE 1 PRESENT_AND_EQ_INTEGER 1 PRESENT_AND_EQ_REAL 1 PRESENT_AND_NE_DOUBLE 1 PRESENT_AND_NE_INTEGER 1 PRESENT_AND_NE_REAL 1 PRESENT_SELECT_CHAR 1 PRESENT_SELECT_CHAR_AUTO 1 PRESENT_SELECT_DOUBLE 1 PRESENT_SELECT_DOUBLE_AUTO 1 PRESENT_SELECT_INT 1 PRESENT_SELECT_INT_AUTO 1 PRESENT_SELECT_REAL 1 PRESENT_SELECT_REAL_AUTO 1