'Writes a common header for the generated files.'

def _get_header(self):

    code_lines = []
    code_lines.append('/*\n')
    tmp = (header_comment % {'version': sympy_version, 'project': self.project})
    for line in tmp.splitlines():
        code_lines.append((('    *%s' % line.center(76)).rstrip() + '\n'))
    code_lines.append('    */\n')
    return code_lines
