/* * $Id$ * * ***** 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 /** \file BLI_utildefines.h * \ingroup bli */ #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 F3TOCHAR3(v2,v1) (v1)[0]=FTOCHAR((v2[0])); (v1)[1]=FTOCHAR((v2[1])); (v1)[2]=FTOCHAR((v2[2])) #define F3TOCHAR4(v2,v1) { (v1)[0]=FTOCHAR((v2[0])); (v1)[1]=FTOCHAR((v2[1])); (v1)[2]=FTOCHAR((v2[2])); \ (v1)[3]=FTOCHAR((v2[3])); (v1)[3] = 255; } #define F4TOCHAR4(v2,v1) { (v1)[0]=FTOCHAR((v2[0])); (v1)[1]=FTOCHAR((v2[1])); (v1)[2]=FTOCHAR((v2[2])); \ (v1)[3]=FTOCHAR((v2[3])); (v1)[3]=FTOCHAR((v2[3])); } #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_EQF(a,b) ((fabsf((float)(a)-(b)) >= (float) 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= arr_start) && (item <= ARRAY_LAST_ITEM(arr_start, arr_dtype, elem_size, tot))) /* 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 #ifdef __GNUC__ # define UNUSED_FUNCTION(x) __attribute__((__unused__)) UNUSED_ ## x #else # define UNUSED_FUNCTION(x) UNUSED_ ## x #endif #ifdef __GNUC__ # define WARN_UNUSED __attribute__((warn_unused_result)) #else # define WARN_UNUSED #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 /* BLI_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 BLI_assert(a) \ do { \ if (!(a)) { \ fprintf(stderr, \ "BLI_assert failed: %s, %s(), %d at \'%s\'\n", \ __FILE__, __func__, __LINE__, STRINGIFY(a)); \ _dummy_abort(); \ } \ } while (0) # else # define BLI_assert(a) \ do { \ if (0 == (a)) { \ fprintf(stderr, \ "BLI_assert failed: %s, %d at \'%s\'\n", \ __FILE__, __LINE__, STRINGIFY(a)); \ _dummy_abort(); \ } \ } while (0) # endif #else # define BLI_assert(a) (void)0 #endif #endif // BLI_UTILDEFINES_H