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Original commit message from CVS: * gst/goom/Makefile.am: * gst/goom/README: * gst/goom/config_param.c: * gst/goom/convolve_fx.c: * gst/goom/drawmethods.c: * gst/goom/drawmethods.h: * gst/goom/filters.c: * gst/goom/filters_mmx.s: * gst/goom/flying_stars_fx.c: * gst/goom/goom.h: * gst/goom/goom_config.h: * gst/goom/goom_config_param.h: * gst/goom/goom_core.c: * gst/goom/goom_filters.h: * gst/goom/goom_fx.h: * gst/goom/goom_graphic.h: * gst/goom/goom_plugin_info.h: * gst/goom/goom_tools.c: * gst/goom/goom_tools.h: * gst/goom/goom_typedefs.h: * gst/goom/goom_visual_fx.h: * gst/goom/graphic.c: * gst/goom/ifs.c: * gst/goom/ifs.h: * gst/goom/lines.c: * gst/goom/lines.h: * gst/goom/mathtools.c: * gst/goom/mathtools.h: * gst/goom/mmx.c: * gst/goom/motif_goom1.h: * gst/goom/motif_goom2.h: * gst/goom/plugin_info.c: * gst/goom/ppc_drawings.h: * gst/goom/ppc_zoom_ultimate.h: * gst/goom/sound_tester.c: * gst/goom/sound_tester.h: * gst/goom/surf3d.c: * gst/goom/surf3d.h: * gst/goom/tentacle3d.c: * gst/goom/tentacle3d.h: * gst/goom/v3d.c: * gst/goom/v3d.h: * gst/goom/xmmx.c: Add license headers in all source files. Remove filter.c from EXTRA_DIST, as its in SOURCES already. Mention the files in the REDME which are not used right now. Fixes #557709.
58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
/* Goom Project
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* Copyright (C) <2003> Jean-Christophe Hoelt <jeko@free.fr>
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*
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* goom_core.c:Contains the core of goom's work.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef MATHTOOLS_H
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#define MATHTOOLS_H
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#define _double2fixmagic (68719476736.0*1.5)
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/* 2^36 * 1.5, (52-_shiftamt=36) uses limited precisicion to floor */
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#define _shiftamt 16
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/* 16.16 fixed point representation */
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#if BigEndian_
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#define iexp_ 0
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#define iman_ 1
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#else
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#define iexp_ 1
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#define iman_ 0
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#endif /* BigEndian_ */
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/* TODO: this optimization is very efficient: put it again when all works
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#ifdef HAVE_MMX
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#define F2I(dbl,i) {double d = dbl + _double2fixmagic; i = ((int*)&d)[iman_] >> _shiftamt;}
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#else*/
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#define F2I(dbl,i) i=(int)dbl;
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/*#endif*/
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#if 0
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#define SINCOS(f,s,c) \
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__asm__ __volatile__ ("fsincos" : "=t" (c), "=u" (s) : "0" (f))
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#else
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#define SINCOS(f,s,c) {s=sin(f);c=cos(f);}
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#endif
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extern float sin256[256];
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extern float cos256[256];
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#endif
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