__init__.py 文件源码

def col_major(self, new_col=None):
        """
        Finds the majority of this CDF file

        Other Parameters
        ================
        new_col : boolean
            Specify True to change to column-major, False to change to
            row major, or do not specify to check the majority
            rather than changing it.
            (default is check only)

        Returns
        =======
        out : boolean
            True if column-major, false if row-major
        """
        if new_col != None:
            new_maj = const.COLUMN_MAJOR if new_col else const.ROW_MAJOR
            self._call(const.PUT_, const.CDF_MAJORITY_, new_maj)
        maj = ctypes.c_long(0)
        self._call(const.GET_, const.CDF_MAJORITY_, ctypes.byref(maj))
        if not maj.value in (const.ROW_MAJOR.value, const.COLUMN_MAJOR.value):
            raise CDFError(const.BAD_MAJORITY)
        return maj.value == const.COLUMN_MAJOR.value