1f220fa62Smrg/*
2f220fa62Smrg** License Applicability. Except to the extent portions of this file are
3f220fa62Smrg** made subject to an alternative license as permitted in the SGI Free
4f220fa62Smrg** Software License B, Version 1.1 (the "License"), the contents of this
5f220fa62Smrg** file are subject only to the provisions of the License. You may not use
6f220fa62Smrg** this file except in compliance with the License. You may obtain a copy
7f220fa62Smrg** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
8f220fa62Smrg** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
9f220fa62Smrg**
10f220fa62Smrg** http://oss.sgi.com/projects/FreeB
11f220fa62Smrg**
12f220fa62Smrg** Note that, as provided in the License, the Software is distributed on an
13f220fa62Smrg** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
14f220fa62Smrg** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
15f220fa62Smrg** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
16f220fa62Smrg** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
17f220fa62Smrg**
18f220fa62Smrg** Original Code. The Original Code is: OpenGL Sample Implementation,
19f220fa62Smrg** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
20f220fa62Smrg** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
21f220fa62Smrg** Copyright in any portions created by third parties is as indicated
22f220fa62Smrg** elsewhere herein. All Rights Reserved.
23f220fa62Smrg**
24f220fa62Smrg** Additional Notice Provisions: The application programming interfaces
25f220fa62Smrg** established by SGI in conjunction with the Original Code are The
26f220fa62Smrg** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
27f220fa62Smrg** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
28f220fa62Smrg** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
29f220fa62Smrg** Window System(R) (Version 1.3), released October 19, 1998. This software
30f220fa62Smrg** was created using the OpenGL(R) version 1.2.1 Sample Implementation
31f220fa62Smrg** published by SGI, but has not been independently verified as being
32f220fa62Smrg** compliant with the OpenGL(R) version 1.2.1 Specification.
33f220fa62Smrg**
34f220fa62Smrg*/
35f220fa62Smrg/*
36f220fa62Smrg*/
37f220fa62Smrg
38f220fa62Smrg#include "mymath.h"
39f220fa62Smrg
40f220fa62Smrg#ifdef NEEDCEILF
41f220fa62Smrg
42f220fa62Smrgfloat ceilf( float x )
43f220fa62Smrg{
44f220fa62Smrg   if( x < 0 ) {
45f220fa62Smrg	float nx = -x;
46f220fa62Smrg	int ix = (int) nx;
47f220fa62Smrg	return (float) -ix;
48f220fa62Smrg   } else {
49f220fa62Smrg	int ix = (int) x;
50f220fa62Smrg	if( x == (float) ix ) return x;
51f220fa62Smrg	return (float) (ix+1);
52f220fa62Smrg   }
53f220fa62Smrg}
54f220fa62Smrg
55f220fa62Smrgfloat floorf( float x )
56f220fa62Smrg{
57f220fa62Smrg   if( x < 0 ) {
58f220fa62Smrg	float nx = -x;
59f220fa62Smrg	int ix = (int) nx;
60f220fa62Smrg	if( nx == (float) ix ) return x;
61f220fa62Smrg	return (float) -(ix+1);
62f220fa62Smrg   } else {
63f220fa62Smrg	int ix = (int) x;
64f220fa62Smrg	return (float) ix;
65f220fa62Smrg   }
66f220fa62Smrg}
67f220fa62Smrg#endif
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