276 lines
10 KiB
C
276 lines
10 KiB
C
/*
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* $Id$
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*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#ifndef BKE_UTILDEFINES_H
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#define BKE_UTILDEFINES_H
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#ifndef FALSE
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#define FALSE 0
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#endif
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#ifndef TRUE
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#define TRUE 1
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#endif
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/* Macro to convert a value to string in the preprocessor */
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#define QUOTE(x) #x
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/* these values need to be hardcoded in structs, dna does not recognize defines */
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/* also defined in DNA_space_types.h */
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#ifndef FILE_MAXDIR
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#define FILE_MAXDIR 160
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#define FILE_MAXFILE 80
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#define FILE_MAX 240
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#endif
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#define ELEM(a, b, c) ( (a)==(b) || (a)==(c) )
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#define ELEM3(a, b, c, d) ( ELEM(a, b, c) || (a)==(d) )
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#define ELEM4(a, b, c, d, e) ( ELEM(a, b, c) || ELEM(a, d, e) )
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#define ELEM5(a, b, c, d, e, f) ( ELEM(a, b, c) || ELEM3(a, d, e, f) )
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#define ELEM6(a, b, c, d, e, f, g) ( ELEM(a, b, c) || ELEM4(a, d, e, f, g) )
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#define ELEM7(a, b, c, d, e, f, g, h) ( ELEM3(a, b, c, d) || ELEM4(a, e, f, g, h) )
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#define ELEM8(a, b, c, d, e, f, g, h, i) ( ELEM4(a, b, c, d, e) || ELEM4(a, f, g, h, i) )
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#define ELEM9(a, b, c, d, e, f, g, h, i, j) ( ELEM4(a, b, c, d, e) || ELEM5(a, f, g, h, i, j) )
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#define ELEM10(a, b, c, d, e, f, g, h, i, j, k) ( ELEM4(a, b, c, d, e) || ELEM6(a, f, g, h, i, j, k) )
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#define ELEM11(a, b, c, d, e, f, g, h, i, j, k, l) ( ELEM4(a, b, c, d, e) || ELEM7(a, f, g, h, i, j, k, l) )
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/* shift around elements */
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#define SHIFT3(type, a, b, c) { type tmp; tmp = a; a = c; c = b; b = tmp; }
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#define SHIFT4(type, a, b, c, d) { type tmp; tmp = a; a = d; d = c; c = b; b = tmp; }
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/* min/max */
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#define MIN2(x,y) ( (x)<(y) ? (x) : (y) )
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#define MIN3(x,y,z) MIN2( MIN2((x),(y)) , (z) )
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#define MIN4(x,y,z,a) MIN2( MIN2((x),(y)) , MIN2((z),(a)) )
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#define MAX2(x,y) ( (x)>(y) ? (x) : (y) )
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#define MAX3(x,y,z) MAX2( MAX2((x),(y)) , (z) )
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#define MAX4(x,y,z,a) MAX2( MAX2((x),(y)) , MAX2((z),(a)) )
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#define INIT_MINMAX(min, max) { (min)[0]= (min)[1]= (min)[2]= 1.0e30f; (max)[0]= (max)[1]= (max)[2]= -1.0e30f; }
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#define INIT_MINMAX2(min, max) { (min)[0]= (min)[1]= 1.0e30f; (max)[0]= (max)[1]= -1.0e30f; }
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#define DO_MIN(vec, min) { if( (min)[0]>(vec)[0] ) (min)[0]= (vec)[0]; \
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if( (min)[1]>(vec)[1] ) (min)[1]= (vec)[1]; \
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if( (min)[2]>(vec)[2] ) (min)[2]= (vec)[2]; } \
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#define DO_MAX(vec, max) { if( (max)[0]<(vec)[0] ) (max)[0]= (vec)[0]; \
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if( (max)[1]<(vec)[1] ) (max)[1]= (vec)[1]; \
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if( (max)[2]<(vec)[2] ) (max)[2]= (vec)[2]; } \
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#define DO_MINMAX(vec, min, max) { if( (min)[0]>(vec)[0] ) (min)[0]= (vec)[0]; \
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if( (min)[1]>(vec)[1] ) (min)[1]= (vec)[1]; \
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if( (min)[2]>(vec)[2] ) (min)[2]= (vec)[2]; \
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if( (max)[0]<(vec)[0] ) (max)[0]= (vec)[0]; \
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if( (max)[1]<(vec)[1] ) (max)[1]= (vec)[1]; \
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if( (max)[2]<(vec)[2] ) (max)[2]= (vec)[2]; } \
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#define DO_MINMAX2(vec, min, max) { if( (min)[0]>(vec)[0] ) (min)[0]= (vec)[0]; \
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if( (min)[1]>(vec)[1] ) (min)[1]= (vec)[1]; \
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if( (max)[0]<(vec)[0] ) (max)[0]= (vec)[0]; \
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if( (max)[1]<(vec)[1] ) (max)[1]= (vec)[1]; }
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/* some math and copy defines */
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#ifndef SWAP
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#define SWAP(type, a, b) { type sw_ap; sw_ap=(a); (a)=(b); (b)=sw_ap; }
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#endif
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#define ABS(a) ( (a)<0 ? (-(a)) : (a) )
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#define AVG2(x, y) ( 0.5 * ((x) + (y)) )
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#define FTOCHAR(val) ((val)<=0.0f)? 0 : (((val)>(1.0f-0.5f/255.0f))? 255 : (char)((255.0f*(val))+0.5f))
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#define FTOUSHORT(val) ((val >= 1.0f-0.5f/65535)? 65535: (val <= 0.0f)? 0: (unsigned short)(val*65535.0f + 0.5f))
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#define VECCOPY(v1,v2) {*(v1)= *(v2); *(v1+1)= *(v2+1); *(v1+2)= *(v2+2);}
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#define VECCOPY2D(v1,v2) {*(v1)= *(v2); *(v1+1)= *(v2+1);}
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#define QUATCOPY(v1,v2) {*(v1)= *(v2); *(v1+1)= *(v2+1); *(v1+2)= *(v2+2); *(v1+3)= *(v2+3);}
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#define LONGCOPY(a, b, c) {int lcpc=c, *lcpa=(int *)a, *lcpb=(int *)b; while(lcpc-->0) *(lcpa++)= *(lcpb++);}
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#define VECADD(v1,v2,v3) {*(v1)= *(v2) + *(v3); *(v1+1)= *(v2+1) + *(v3+1); *(v1+2)= *(v2+2) + *(v3+2);}
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#define VECSUB(v1,v2,v3) {*(v1)= *(v2) - *(v3); *(v1+1)= *(v2+1) - *(v3+1); *(v1+2)= *(v2+2) - *(v3+2);}
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#define VECSUB2D(v1,v2,v3) {*(v1)= *(v2) - *(v3); *(v1+1)= *(v2+1) - *(v3+1);}
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#define VECADDFAC(v1,v2,v3,fac) {*(v1)= *(v2) + *(v3)*(fac); *(v1+1)= *(v2+1) + *(v3+1)*(fac); *(v1+2)= *(v2+2) + *(v3+2)*(fac);}
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#define VECSUBFAC(v1,v2,v3,fac) {*(v1)= *(v2) - *(v3)*(fac); *(v1+1)= *(v2+1) - *(v3+1)*(fac); *(v1+2)= *(v2+2) - *(v3+2)*(fac);}
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#define QUATADDFAC(v1,v2,v3,fac) {*(v1)= *(v2) + *(v3)*(fac); *(v1+1)= *(v2+1) + *(v3+1)*(fac); *(v1+2)= *(v2+2) + *(v3+2)*(fac); *(v1+3)= *(v2+3) + *(v3+3)*(fac);}
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#define INPR(v1, v2) ( (v1)[0]*(v2)[0] + (v1)[1]*(v2)[1] + (v1)[2]*(v2)[2] )
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/* some misc stuff.... */
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#define CLAMP(a, b, c) if((a)<(b)) (a)=(b); else if((a)>(c)) (a)=(c)
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#define CLAMPIS(a, b, c) ((a)<(b) ? (b) : (a)>(c) ? (c) : (a))
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#define CLAMPTEST(a, b, c) if((b)<(c)) {CLAMP(a, b, c);} else {CLAMP(a, c, b);}
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#define IS_EQ(a,b) ((fabs((double)(a)-(b)) >= (double) FLT_EPSILON) ? 0 : 1)
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#define IS_EQT(a, b, c) ((a > b)? (((a-b) <= c)? 1:0) : ((((b-a) <= c)? 1:0)))
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#define IN_RANGE(a, b, c) ((b < c)? ((b<a && a<c)? 1:0) : ((c<a && a<b)? 1:0))
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#define IN_RANGE_INCL(a, b, c) ((b < c)? ((b<=a && a<=c)? 1:0) : ((c<=a && a<=b)? 1:0))
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/* this weirdo pops up in two places ... */
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#if !defined(WIN32)
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#ifndef O_BINARY
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#define O_BINARY 0
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#endif
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#endif
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/* INTEGER CODES */
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#if defined(__sgi) || defined (__sparc) || defined (__sparc__) || defined (__PPC__) || defined (__ppc__) || defined (__hppa__) || defined (__BIG_ENDIAN__)
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/* Big Endian */
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#define MAKE_ID(a,b,c,d) ( (int)(a)<<24 | (int)(b)<<16 | (c)<<8 | (d) )
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#else
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/* Little Endian */
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#define MAKE_ID(a,b,c,d) ( (int)(d)<<24 | (int)(c)<<16 | (b)<<8 | (a) )
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#endif
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#define ID_NEW(a) if( (a) && (a)->id.newid ) (a)= (void *)(a)->id.newid
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#define FORM MAKE_ID('F','O','R','M')
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#define BLEN MAKE_ID('B','L','E','N')
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#define DER_ MAKE_ID('D','E','R','_')
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#define V100 MAKE_ID('V','1','0','0')
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#define DATA MAKE_ID('D','A','T','A')
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#define GLOB MAKE_ID('G','L','O','B')
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#define IMAG MAKE_ID('I','M','A','G')
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#define DNA1 MAKE_ID('D','N','A','1')
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#define TEST MAKE_ID('T','E','S','T') /* used as preview between 'REND' and 'GLOB' */
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#define REND MAKE_ID('R','E','N','D')
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#define USER MAKE_ID('U','S','E','R')
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#define ENDB MAKE_ID('E','N','D','B')
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/* This one rotates the bytes in an int64, int (32) and short (16) */
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#define SWITCH_INT64(a) { \
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char s_i, *p_i; \
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p_i= (char *)&(a); \
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s_i=p_i[0]; p_i[0]=p_i[7]; p_i[7]=s_i; \
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s_i=p_i[1]; p_i[1]=p_i[6]; p_i[6]=s_i; \
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s_i=p_i[2]; p_i[2]=p_i[5]; p_i[5]=s_i; \
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s_i=p_i[3]; p_i[3]=p_i[4]; p_i[4]=s_i; }
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#define SWITCH_INT(a) { \
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char s_i, *p_i; \
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p_i= (char *)&(a); \
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s_i=p_i[0]; p_i[0]=p_i[3]; p_i[3]=s_i; \
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s_i=p_i[1]; p_i[1]=p_i[2]; p_i[2]=s_i; }
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#define SWITCH_SHORT(a) { \
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char s_i, *p_i; \
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p_i= (char *)&(a); \
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s_i=p_i[0]; p_i[0]=p_i[1]; p_i[1]=s_i; }
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/* Bit operations */
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#define BTST(a,b) ( ( (a) & 1<<(b) )!=0 )
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#define BNTST(a,b) ( ( (a) & 1<<(b) )==0 )
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#define BTST2(a,b,c) ( BTST( (a), (b) ) || BTST( (a), (c) ) )
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#define BSET(a,b) ( (a) | 1<<(b) )
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#define BCLR(a,b) ( (a) & ~(1<<(b)) )
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/* bit-row */
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#define BROW(min, max) (((max)>=31? 0xFFFFFFFF: (1<<(max+1))-1) - ((min)? ((1<<(min))-1):0) )
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#ifdef GS
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#undef GS
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#endif
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#define GS(a) (*((short *)(a)))
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/* Warning-free macros for storing ints in pointers. Use these _only_
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* for storing an int in a pointer, not a pointer in an int (64bit)! */
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#define SET_INT_IN_POINTER(i) ((void*)(intptr_t)(i))
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#define GET_INT_FROM_POINTER(i) ((int)(intptr_t)(i))
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/*little array macro library. example of usage:
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int *arr = NULL;
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V_DECLARE(arr);
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int i;
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for (i=0; i<10; i++) {
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V_GROW(arr);
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arr[i] = something;
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}
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V_FREE(arr);
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arrays are buffered, using double-buffering (so on each reallocation,
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the array size is doubled). supposedly this should give good Big Oh
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behaviour, though it may not be the best in practice.
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*/
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#define V_DECLARE(vec) int _##vec##_count=0; void *_##vec##_tmp
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/*in the future, I plan on having V_DECLARE allocate stack memory it'll
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use at first, and switch over to heap when it needs more. that'll mess
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up cases where you'd want to use this API to build a dynamic list for
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non-local use, so all such cases should use this macro.*/
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#define V_DYNDECLARE(vec) V_DECLARE(vec)
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/*this returns the entire size of the array, including any buffering.*/
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#define V_SIZE(vec) ((signed int)((vec)==NULL ? 0 : MEM_allocN_len(vec) / sizeof(*vec)))
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/*this returns the logical size of the array, not including buffering.*/
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#define V_COUNT(vec) _##vec##_count
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/*grow the array by one. zeroes the new elements.*/
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#define V_GROW(vec) \
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V_SIZE(vec) > _##vec##_count ? _##vec##_count++ : \
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((_##vec##_tmp = MEM_callocN(sizeof(*vec)*(_##vec##_count*2+2), #vec " " __FILE__ " ")),\
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(vec && memcpy(_##vec##_tmp, vec, sizeof(*vec) * _##vec##_count)),\
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(vec && (MEM_freeN(vec),1)),\
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(vec = _##vec##_tmp),\
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_##vec##_count++)
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#define V_FREE(vec) if (vec) MEM_freeN(vec);
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/*resets the logical size of an array to zero, but doesn't
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free the memory.*/
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#define V_RESET(vec) _##vec##_count=0
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/*set the count of the array*/
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#define V_SETCOUNT(vec, count) _##vec##_count = (count)
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/*little macro so inline keyword works*/
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#if defined(_MSC_VER)
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#define BM_INLINE static __forceinline
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#else
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#define BM_INLINE static inline __attribute((always_inline))
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#endif
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#define BMEMSET(mem, val, size) {unsigned int _i; char *_c = (char*) mem; for (_i=0; _i<size; _i++) *_c++ = val;}
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#endif
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