77 #include <jasper/jas_config.h> 97 #if defined(JAS_ENABLE_32BIT) 99 #define PRIjas_fix PRIiLEAST32 102 #define PRIjas_fix PRIiLEAST64 108 #if defined(JAS_ENABLE_32BIT) 109 typedef int_least64_t jas_fix_big_t;
111 #if defined(JAS_HAVE_INT128_T) 112 typedef __int128_t jas_fix_big_t;
114 typedef int_least64_t jas_fix_big_t;
123 #define JAS_FIX_ZERO(fix_t, fracbits) \ 124 JAS_INTTOFIX(fix_t, fracbits, 0) 127 #define JAS_FIX_ONE(fix_t, fracbits) \ 128 JAS_INTTOFIX(fix_t, fracbits, 1) 131 #define JAS_FIX_HALF(fix_t, fracbits) \ 132 (JAS_CAST(fix_t, 1) << ((fracbits) - 1)) 139 #define JAS_INTTOFIX(fix_t, fracbits, x) \ 140 (JAS_CAST(fix_t, x) << (fracbits)) 143 #define JAS_FIXTOINT(fix_t, fracbits, x) \ 144 JAS_CAST(int, (x) >> (fracbits)) 147 #define JAS_FIXTODBL(fix_t, fracbits, x) \ 148 (JAS_CAST(double, x) / JAS_FIX_ONE(fix_t, fracbits)) 151 #define JAS_DBLTOFIX(fix_t, fracbits, x) \ 152 JAS_CAST(fix_t, ((x) * JAS_CAST(double, JAS_FIX_ONE(fix_t, fracbits)))) 165 #if !defined(DEBUG_OVERFLOW) 166 #define JAS_FIX_ADD JAS_FIX_ADD_FAST 168 #define JAS_FIX_ADD JAS_FIX_ADD_OFLOW 172 #define JAS_FIX_ADD_FAST(fix_t, fracbits, x, y) ((x) + (y)) 175 #define JAS_FIX_ADD_OFLOW(fix_t, fracbits, x, y) \ 177 (((y) >= 0) ? ((x) + (y) >= 0 || JAS_FIX_OFLOW(), (x) + (y)) : \ 179 (((y) >= 0) ? ((x) + (y)) : ((x) + (y) < 0 || JAS_FIX_OFLOW(), \ 183 #if !defined(DEBUG_OVERFLOW) 184 #define JAS_FIX_MUL JAS_FIX_MUL_FAST 186 #define JAS_FIX_MUL JAS_FIX_MUL_OFLOW 191 #define JAS_FIX_MUL_FAST(fix_t, fracbits, bigfix_t, x, y) \ 192 JAS_CAST(fix_t, (JAS_CAST(bigfix_t, x) * JAS_CAST(bigfix_t, y)) >> \ 197 #define JAS_FIX_MUL_OFLOW(fix_t, fracbits, bigfix_t, x, y) \ 198 ((JAS_CAST(bigfix_t, x) * JAS_CAST(bigfix_t, y) >> (fracbits)) == \ 199 JAS_CAST(fix_t, (JAS_CAST(bigfix_t, x) * JAS_CAST(bigfix_t, y) >> \ 201 JAS_CAST(fix_t, (JAS_CAST(bigfix_t, x) * JAS_CAST(bigfix_t, y) >> \ 202 (fracbits))) : JAS_FIX_OFLOW()) 205 #if !defined(DEBUG_OVERFLOW) 206 #define JAS_FIX_MULBYINT JAS_FIX_MULBYINT_FAST 208 #define JAS_FIX_MULBYINT JAS_FIX_MULBYINT_OFLOW 213 #define JAS_FIX_MULBYINT_FAST(fix_t, fracbits, x, y) \ 214 JAS_CAST(fix_t, ((x) * (y))) 218 #define JAS_FIX_MULBYINT_OFLOW(fix_t, fracbits, x, y) \ 219 JAS_FIX_MULBYINT_FAST(fix_t, fracbits, x, y) 222 #if !defined(DEBUG_OVERFLOW) 223 #define JAS_FIX_DIV JAS_FIX_DIV_FAST 225 #define JAS_FIX_DIV JAS_FIX_DIV_UFLOW 230 #define JAS_FIX_DIV_FAST(fix_t, fracbits, bigfix_t, x, y) \ 231 JAS_CAST(fix_t, (JAS_CAST(bigfix_t, x) << (fracbits)) / (y)) 235 #define JAS_FIX_DIV_UFLOW(fix_t, fracbits, bigfix_t, x, y) \ 236 JAS_FIX_DIV_FAST(fix_t, fracbits, bigfix_t, x, y) 239 #if !defined(DEBUG_OVERFLOW) 240 #define JAS_FIX_NEG JAS_FIX_NEG_FAST 242 #define JAS_FIX_NEG JAS_FIX_NEG_OFLOW 246 #define JAS_FIX_NEG_FAST(fix_t, fracbits, x) \ 252 #define JAS_FIX_NEG_OFLOW(fix_t, fracbits, x) \ 253 (((x) < 0) ? (-(x) > 0 || JAS_FIX_OFLOW(), -(x)) : (-(x))) 256 #if !defined(DEBUG_OVERFLOW) 257 #define JAS_FIX_ASL JAS_FIX_ASL_FAST 259 #define JAS_FIX_ASL JAS_FIX_ASL_OFLOW 264 #define JAS_FIX_ASL_FAST(fix_t, fracbits, x, n) \ 269 #define JAS_FIX_ASL_OFLOW(fix_t, fracbits, x, n) \ 270 ((((x) << (n)) >> (n)) == (x) || JAS_FIX_OFLOW(), (x) << (n)) 273 #if !defined(DEBUG_OVERFLOW) 274 #define JAS_FIX_ASR JAS_FIX_ASR_FAST 276 #define JAS_FIX_ASR JAS_FIX_ASR_UFLOW 281 #define JAS_FIX_ASR_FAST(fix_t, fracbits, x, n) \ 286 #define JAS_FIX_ASR_UFLOW(fix_t, fracbits, x, n) \ 287 JAS_FIX_ASR_FAST(fix_t, fracbits, x, n) 294 #define JAS_FIX_SUB(fix_t, fracbits, x, y) \ 295 JAS_FIX_ADD(fix_t, fracbits, x, JAS_FIX_NEG(fix_t, fracbits, y)) 298 #define JAS_FIX_PLUSEQ(fix_t, fracbits, x, y) \ 299 ((x) = JAS_FIX_ADD(fix_t, fracbits, x, y)) 302 #define JAS_FIX_MINUSEQ(fix_t, fracbits, x, y) \ 303 ((x) = JAS_FIX_SUB(fix_t, fracbits, x, y)) 306 #define JAS_FIX_MULEQ(fix_t, fracbits, bigfix_t, x, y) \ 307 ((x) = JAS_FIX_MUL(fix_t, fracbits, bigfix_t, x, y)) 314 #define JAS_FIX_ABS(fix_t, fracbits, x) \ 315 (((x) >= 0) ? (x) : (JAS_FIX_NEG(fix_t, fracbits, x))) 318 #define JAS_FIX_ISINT(fix_t, fracbits, x) \ 319 (JAS_FIX_FLOOR(fix_t, fracbits, x) == (x)) 322 #define JAS_FIX_SGN(fix_t, fracbits, x) \ 323 ((x) >= 0 ? 1 : (-1)) 330 #define JAS_FIX_CMP(fix_t, fracbits, x, y) \ 331 ((x) > (y) ? 1 : (((x) == (y)) ? 0 : (-1))) 334 #define JAS_FIX_LT(fix_t, fracbits, x, y) \ 338 #define JAS_FIX_LTE(fix_t, fracbits, x, y) \ 342 #define JAS_FIX_GT(fix_t, fracbits, x, y) \ 346 #define JAS_FIX_GTE(fix_t, fracbits, x, y) \ 354 #define JAS_FIX_ROUND(fix_t, fracbits, x) \ 355 (((x) < 0) ? JAS_FIX_FLOOR(fix_t, fracbits, JAS_FIX_ADD(fix_t, fracbits, \ 356 (x), JAS_FIX_HALF(fix_t, fracbits))) : \ 357 JAS_FIX_NEG(fix_t, fracbits, JAS_FIX_FLOOR(fix_t, fracbits, \ 358 JAS_FIX_ADD(fix_t, fracbits, (-(x)), JAS_FIX_HALF(fix_t, fracbits))))) 362 #define JAS_FIX_FLOOR(fix_t, fracbits, x) \ 363 ((x) & (~(JAS_FIX_ONE(fix_t, fracbits) - 1))) 371 #define JAS_FIX_OFLOW() \ 372 jas_logerrorf("overflow error: file %s, line %d\n", __FILE__, __LINE__) 375 #define JAS_FIX_UFLOW() \ 376 jas_logerrorf("underflow error: file %s, line %d\n", __FILE__, __LINE__) 382 JAS_ATTRIBUTE_DISABLE_UBSAN
388 JAS_ATTRIBUTE_DISABLE_UBSAN
#define JAS_FIX_ASR
Definition: jas_fix.h:274
int_least64_t jas_fix_t
Definition: jas_fix.h:101
#define JAS_FIX_ASL
Definition: jas_fix.h:257