raze-gles/polymer/eduke32/source/jmact/mathutil.h

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//-------------------------------------------------------------------------
/*
Copyright (C) 1996, 2003 - 3D Realms Entertainment
This file is NOT part of Duke Nukem 3D version 1.5 - Atomic Edition
However, it is either an older version of a file that is, or is
some test code written during the development of Duke Nukem 3D.
This file is provided purely for educational interest.
Duke Nukem 3D is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Prepared for public release: 03/21/2003 - Charlie Wiederhold, 3D Realms
*/
//-------------------------------------------------------------------------
#ifdef __cplusplus
extern "C" {
#endif
extern int32_t FindDistance2D(int32_t dx, int32_t dy);
extern int32_t FindDistance3D(int32_t dx, int32_t dy, int32_t dz);
extern int32_t FindDistance3D_HP(int32_t dx, int32_t dy, int32_t dz);
extern int32_t ArcTangentAppx(int32_t dx, int32_t dy);
#ifdef __cplusplus
}
#endif