.. SPDX-License-Identifier: BSD-3-Clause Copyright Contributors to the OpenEXR Project. .. _glu-functions: GLU Functions ############# Functions that wrap GLU calls to accept Imath vectors. .. code-block:: #include .. doxygenfunction:: gluLookAt(const Imath::V3f& pos, const Imath::V3f& interest, const Imath::V3f& up)