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Diffstat (limited to 'source/blender/blenlib/BLI_utildefines.h')
| -rw-r--r-- | source/blender/blenlib/BLI_utildefines.h | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_utildefines.h b/source/blender/blenlib/BLI_utildefines.h new file mode 100644 index 00000000000..c01a647fade --- /dev/null +++ b/source/blender/blenlib/BLI_utildefines.h @@ -0,0 +1,218 @@ +/* + * $Id: BKE_utildefines.h 34147 2011-01-07 09:47:05Z campbellbarton $ + * + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * This program 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): none yet. + * + * ***** END GPL LICENSE BLOCK ***** +*/ + +#ifndef BLI_UTILDEFINES_H +#define BLI_UTILDEFINES_H + +#ifndef FALSE +#define FALSE 0 +#endif + +#ifndef TRUE +#define TRUE 1 +#endif + + +#define ELEM(a, b, c) ( (a)==(b) || (a)==(c) ) +#define ELEM3(a, b, c, d) ( ELEM(a, b, c) || (a)==(d) ) +#define ELEM4(a, b, c, d, e) ( ELEM(a, b, c) || ELEM(a, d, e) ) +#define ELEM5(a, b, c, d, e, f) ( ELEM(a, b, c) || ELEM3(a, d, e, f) ) +#define ELEM6(a, b, c, d, e, f, g) ( ELEM(a, b, c) || ELEM4(a, d, e, f, g) ) +#define ELEM7(a, b, c, d, e, f, g, h) ( ELEM3(a, b, c, d) || ELEM4(a, e, f, g, h) ) +#define ELEM8(a, b, c, d, e, f, g, h, i) ( ELEM4(a, b, c, d, e) || ELEM4(a, f, g, h, i) ) +#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) ) +#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) ) +#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) ) + +/* shift around elements */ +#define SHIFT3(type, a, b, c) { type tmp; tmp = a; a = c; c = b; b = tmp; } +#define SHIFT4(type, a, b, c, d) { type tmp; tmp = a; a = d; d = c; c = b; b = tmp; } + +/* min/max */ +#define MIN2(x,y) ( (x)<(y) ? (x) : (y) ) +#define MIN3(x,y,z) MIN2( MIN2((x),(y)) , (z) ) +#define MIN4(x,y,z,a) MIN2( MIN2((x),(y)) , MIN2((z),(a)) ) + +#define MAX2(x,y) ( (x)>(y) ? (x) : (y) ) +#define MAX3(x,y,z) MAX2( MAX2((x),(y)) , (z) ) +#define MAX4(x,y,z,a) MAX2( MAX2((x),(y)) , MAX2((z),(a)) ) + +#define INIT_MINMAX(min, max) { (min)[0]= (min)[1]= (min)[2]= 1.0e30f; (max)[0]= (max)[1]= (max)[2]= -1.0e30f; } + +#define INIT_MINMAX2(min, max) { (min)[0]= (min)[1]= 1.0e30f; (max)[0]= (max)[1]= -1.0e30f; } + +#define DO_MIN(vec, min) { if( (min)[0]>(vec)[0] ) (min)[0]= (vec)[0]; \ + if( (min)[1]>(vec)[1] ) (min)[1]= (vec)[1]; \ + if( (min)[2]>(vec)[2] ) (min)[2]= (vec)[2]; } \ + +#define DO_MAX(vec, max) { if( (max)[0]<(vec)[0] ) (max)[0]= (vec)[0]; \ + if( (max)[1]<(vec)[1] ) (max)[1]= (vec)[1]; \ + if( (max)[2]<(vec)[2] ) (max)[2]= (vec)[2]; } \ + +#define DO_MINMAX(vec, min, max) { if( (min)[0]>(vec)[0] ) (min)[0]= (vec)[0]; \ + if( (min)[1]>(vec)[1] ) (min)[1]= (vec)[1]; \ + if( (min)[2]>(vec)[2] ) (min)[2]= (vec)[2]; \ + if( (max)[0]<(vec)[0] ) (max)[0]= (vec)[0]; \ + if( (max)[1]<(vec)[1] ) (max)[1]= (vec)[1]; \ + if( (max)[2]<(vec)[2] ) (max)[2]= (vec)[2]; } \ + +#define DO_MINMAX2(vec, min, max) { if( (min)[0]>(vec)[0] ) (min)[0]= (vec)[0]; \ + if( (min)[1]>(vec)[1] ) (min)[1]= (vec)[1]; \ + if( (max)[0]<(vec)[0] ) (max)[0]= (vec)[0]; \ + if( (max)[1]<(vec)[1] ) (max)[1]= (vec)[1]; } + +/* some math and copy defines */ + +#ifndef SWAP +#define SWAP(type, a, b) { type sw_ap; sw_ap=(a); (a)=(b); (b)=sw_ap; } +#endif + +#define ABS(a) ( (a)<0 ? (-(a)) : (a) ) + +#define AVG2(x, y) ( 0.5 * ((x) + (y)) ) + +#define FTOCHAR(val) ((val)<=0.0f)? 0 : (((val)>(1.0f-0.5f/255.0f))? 255 : (char)((255.0f*(val))+0.5f)) +#define FTOUSHORT(val) ((val >= 1.0f-0.5f/65535)? 65535: (val <= 0.0f)? 0: (unsigned short)(val*65535.0f + 0.5f)) + +#define VECCOPY(v1,v2) {*(v1)= *(v2); *(v1+1)= *(v2+1); *(v1+2)= *(v2+2);} +#define VECCOPY2D(v1,v2) {*(v1)= *(v2); *(v1+1)= *(v2+1);} +#define QUATCOPY(v1,v2) {*(v1)= *(v2); *(v1+1)= *(v2+1); *(v1+2)= *(v2+2); *(v1+3)= *(v2+3);} +#define LONGCOPY(a, b, c) {int lcpc=c, *lcpa=(int *)a, *lcpb=(int *)b; while(lcpc-->0) *(lcpa++)= *(lcpb++);} + + +#define VECADD(v1,v2,v3) {*(v1)= *(v2) + *(v3); *(v1+1)= *(v2+1) + *(v3+1); *(v1+2)= *(v2+2) + *(v3+2);} +#define VECSUB(v1,v2,v3) {*(v1)= *(v2) - *(v3); *(v1+1)= *(v2+1) - *(v3+1); *(v1+2)= *(v2+2) - *(v3+2);} +#define VECSUB2D(v1,v2,v3) {*(v1)= *(v2) - *(v3); *(v1+1)= *(v2+1) - *(v3+1);} +#define VECADDFAC(v1,v2,v3,fac) {*(v1)= *(v2) + *(v3)*(fac); *(v1+1)= *(v2+1) + *(v3+1)*(fac); *(v1+2)= *(v2+2) + *(v3+2)*(fac);} +#define VECSUBFAC(v1,v2,v3,fac) {*(v1)= *(v2) - *(v3)*(fac); *(v1+1)= *(v2+1) - *(v3+1)*(fac); *(v1+2)= *(v2+2) - *(v3+2)*(fac);} +#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);} + +#define INPR(v1, v2) ( (v1)[0]*(v2)[0] + (v1)[1]*(v2)[1] + (v1)[2]*(v2)[2] ) + +/* some misc stuff.... */ +#define CLAMP(a, b, c) if((a)<(b)) (a)=(b); else if((a)>(c)) (a)=(c) +#define CLAMPIS(a, b, c) ((a)<(b) ? (b) : (a)>(c) ? (c) : (a)) +#define CLAMPTEST(a, b, c) if((b)<(c)) {CLAMP(a, b, c);} else {CLAMP(a, c, b);} + +#define IS_EQ(a,b) ((fabs((double)(a)-(b)) >= (double) FLT_EPSILON) ? 0 : 1) + +#define IS_EQT(a, b, c) ((a > b)? (((a-b) <= c)? 1:0) : ((((b-a) <= c)? 1:0))) +#define IN_RANGE(a, b, c) ((b < c)? ((b<a && a<c)? 1:0) : ((c<a && a<b)? 1:0)) +#define IN_RANGE_INCL(a, b, c) ((b < c)? ((b<=a && a<=c)? 1:0) : ((c<=a && a<=b)? 1:0)) + + +/* This one rotates the bytes in an int64, int (32) and short (16) */ +#define SWITCH_INT64(a) { \ + char s_i, *p_i; \ + p_i= (char *)&(a); \ + s_i=p_i[0]; p_i[0]=p_i[7]; p_i[7]=s_i; \ + s_i=p_i[1]; p_i[1]=p_i[6]; p_i[6]=s_i; \ + s_i=p_i[2]; p_i[2]=p_i[5]; p_i[5]=s_i; \ + s_i=p_i[3]; p_i[3]=p_i[4]; p_i[4]=s_i; } + + #define SWITCH_INT(a) { \ + char s_i, *p_i; \ + p_i= (char *)&(a); \ + s_i=p_i[0]; p_i[0]=p_i[3]; p_i[3]=s_i; \ + s_i=p_i[1]; p_i[1]=p_i[2]; p_i[2]=s_i; } + +#define SWITCH_SHORT(a) { \ + char s_i, *p_i; \ + p_i= (char *)&(a); \ + s_i=p_i[0]; p_i[0]=p_i[1]; p_i[1]=s_i; } + + +/* Warning-free macros for storing ints in pointers. Use these _only_ + * for storing an int in a pointer, not a pointer in an int (64bit)! */ +#define SET_INT_IN_POINTER(i) ((void*)(intptr_t)(i)) +#define GET_INT_FROM_POINTER(i) ((int)(intptr_t)(i)) + +/* Macro to convert a value to string in the preprocessor + * STRINGIFY_ARG: gives the defined name in the string + * STRINGIFY: gives the defined value. */ +#define STRINGIFY_ARG(x) #x +#define STRINGIFY(x) STRINGIFY_ARG(x) + +/* useful for debugging */ +#define AT __FILE__ ":" STRINGIFY(__LINE__) + +/* UNUSED macro, for function argument */ +#ifdef __GNUC__ +# define UNUSED(x) UNUSED_ ## x __attribute__((__unused__)) +#else +# define UNUSED(x) UNUSED_ ## x +#endif + + +/*little macro so inline keyword works*/ +#if defined(_MSC_VER) +# define BM_INLINE static __forceinline +#elif defined(__GNUC__) +# define BM_INLINE static inline __attribute((always_inline)) +#else +/* #warning "MSC/GNUC defines not found, inline non-functional" */ +# define BM_INLINE static +#endif + + +/* BKE_assert(), default only to print + * for aborting need to define WITH_ASSERT_ABORT + */ +#if !defined NDEBUG +# ifdef WITH_ASSERT_ABORT +# define _dummy_abort abort +# else +# define _dummy_abort() (void)0 +# endif +# ifdef __GNUC__ /* just want to check if __func__ is available */ +# define BKE_assert(a) \ +do { \ + if (0 == (a)) { \ + fprintf(stderr, \ + "BKE_assert failed: %s, %s(), %d at \'%s\'\n", \ + __FILE__, __func__, __LINE__, STRINGIFY(a)); \ + _dummy_abort(); \ + } \ +} while (0) +# else +# define BKE_assert(a) \ +do { \ + if (0 == (a)) { \ + fprintf(stderr, \ + "BKE_assert failed: %s, %d at \'%s\'\n", \ + __FILE__, __LINE__, STRINGIFY(a)); \ + _dummy_abort(); \ + } \ +} while (0) +# endif +#else +# define BKE_assert(a) (void)0 +#endif + +#endif // BLI_UTILDEFINES_H |