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- /*
- * Copyright (c) 1994 Silicon Graphics, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee,
- * provided that (i) the above copyright notices and this permission
- * notice appear in all copies of the software and related documentation,
- * and (ii) the name of Silicon Graphics may not be used in any
- * advertising or publicity relating to the software without the specific,
- * prior written permission of Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
- * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR ANY SPECIAL,
- * INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY
- * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
- * OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
- /*
- * Miscellaneous stuff exported by util.c
- */
- extern void norm(float v[3]);
- extern float dot(float a[3], float b[3]);
- extern void cross(float v1[3], float v2[3], float result[3]);
- extern float length(float v[3]);
-
- extern float x_axis[];
- extern float y_axis[];
- extern float z_axis[];
- extern float nx_axis[];
- extern float ny_axis[];
- extern float nz_axis[];
-
- /*
- * Returns whether the named extension is supported by the renderer.
- */
- extern GLboolean getExtension(char *name);
-