diff options
Diffstat (limited to 'converter/other/jpeg2000/libjasper/include/jasper/jas_fix.h')
| -rw-r--r-- | converter/other/jpeg2000/libjasper/include/jasper/jas_fix.h | 206 |
1 files changed, 103 insertions, 103 deletions
diff --git a/converter/other/jpeg2000/libjasper/include/jasper/jas_fix.h b/converter/other/jpeg2000/libjasper/include/jasper/jas_fix.h index 9599eb1c..7816b13e 100644 --- a/converter/other/jpeg2000/libjasper/include/jasper/jas_fix.h +++ b/converter/other/jpeg2000/libjasper/include/jasper/jas_fix.h @@ -6,14 +6,14 @@ */ /* __START_OF_JASPER_LICENSE__ - * + * * JasPer Software License - * + * * IMAGE POWER JPEG-2000 PUBLIC LICENSE * ************************************ - * + * * GRANT: - * + * * Permission is hereby granted, free of charge, to any person (the "User") * obtaining a copy of this software and associated documentation, to deal * in the JasPer Software without restriction, including without limitation @@ -21,22 +21,22 @@ * and/or sell copies of the JasPer Software (in source and binary forms), * and to permit persons to whom the JasPer Software is furnished to do so, * provided further that the License Conditions below are met. - * + * * License Conditions * ****************** - * + * * A. Redistributions of source code must retain the above copyright notice, * and this list of conditions, and the following disclaimer. - * + * * B. Redistributions in binary form must reproduce the above copyright * notice, and this list of conditions, and the following disclaimer in * the documentation and/or other materials provided with the distribution. - * + * * C. Neither the name of Image Power, Inc. nor any other contributor * (including, but not limited to, the University of British Columbia and * Michael David Adams) may be used to endorse or promote products derived * from this software without specific prior written permission. - * + * * D. User agrees that it shall not commence any action against Image Power, * Inc., the University of British Columbia, Michael David Adams, or any * other contributors (collectively "Licensors") for infringement of any @@ -56,17 +56,17 @@ * trade dress, or service mark rights); and (v) divisions, continuations, * renewals, reissues and extensions of the foregoing (as and to the extent * applicable) now existing, hereafter filed, issued or acquired. - * + * * E. If User commences an infringement action against any Licensor(s) then * such Licensor(s) shall have the right to terminate User's license and * all sublicenses that have been granted hereunder by User to other parties. - * + * * F. This software is for use only in hardware or software products that * are compliant with ISO/IEC 15444-1 (i.e., JPEG-2000 Part 1). No license * or right to this Software is granted for products that do not comply * with ISO/IEC 15444-1. The JPEG-2000 Part 1 standard can be purchased * from the ISO. - * + * * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE. * NO USE OF THE JASPER SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER * THIS DISCLAIMER. THE JASPER SOFTWARE IS PROVIDED BY THE LICENSORS AND @@ -106,7 +106,7 @@ * TECHNOLOGY OR PRODUCTS FOR HIGH RISK ACTIVITIES AND WILL ENSURE THAT ITS * CUSTOMERS AND END-USERS OF ITS PRODUCTS ARE PROVIDED WITH A COPY OF THE * NOTICE SPECIFIED IN THIS SECTION. - * + * * __END_OF_JASPER_LICENSE__ */ @@ -138,16 +138,16 @@ extern "C" { \******************************************************************************/ /* The representation of the value zero. */ -#define JAS_FIX_ZERO(fix_t, fracbits) \ - JAS_CAST(fix_t, 0) +#define JAS_FIX_ZERO(fix_t, fracbits) \ + JAS_CAST(fix_t, 0) /* The representation of the value one. */ -#define JAS_FIX_ONE(fix_t, fracbits) \ - (JAS_CAST(fix_t, 1) << (fracbits)) +#define JAS_FIX_ONE(fix_t, fracbits) \ + (JAS_CAST(fix_t, 1) << (fracbits)) /* The representation of the value one half. */ -#define JAS_FIX_HALF(fix_t, fracbits) \ - (JAS_CAST(fix_t, 1) << ((fracbits) - 1)) +#define JAS_FIX_HALF(fix_t, fracbits) \ + (JAS_CAST(fix_t, 1) << ((fracbits) - 1)) /******************************************************************************\ * Conversion operations. @@ -155,19 +155,19 @@ extern "C" { /* Convert an int to a fixed-point number. */ #define JAS_INTTOFIX(fix_t, fracbits, x) \ - JAS_CAST(fix_t, (x) << (fracbits)) + JAS_CAST(fix_t, (x) << (fracbits)) /* Convert a fixed-point number to an int. */ #define JAS_FIXTOINT(fix_t, fracbits, x) \ - JAS_CAST(int, (x) >> (fracbits)) + JAS_CAST(int, (x) >> (fracbits)) /* Convert a fixed-point number to a double. */ #define JAS_FIXTODBL(fix_t, fracbits, x) \ - (JAS_CAST(double, x) / (JAS_CAST(fix_t, 1) << (fracbits))) + (JAS_CAST(double, x) / (JAS_CAST(fix_t, 1) << (fracbits))) /* Convert a double to a fixed-point number. */ #define JAS_DBLTOFIX(fix_t, fracbits, x) \ - JAS_CAST(fix_t, ((x) * JAS_CAST(double, JAS_CAST(fix_t, 1) << (fracbits)))) + JAS_CAST(fix_t, ((x) * JAS_CAST(double, JAS_CAST(fix_t, 1) << (fracbits)))) /******************************************************************************\ * Basic arithmetic operations. @@ -181,128 +181,128 @@ extern "C" { /* Calculate the sum of two fixed-point numbers. */ #if !defined(DEBUG_OVERFLOW) -#define JAS_FIX_ADD JAS_FIX_ADD_FAST +#define JAS_FIX_ADD JAS_FIX_ADD_FAST #else -#define JAS_FIX_ADD JAS_FIX_ADD_OFLOW +#define JAS_FIX_ADD JAS_FIX_ADD_OFLOW #endif /* Calculate the sum of two fixed-point numbers without overflow checking. */ -#define JAS_FIX_ADD_FAST(fix_t, fracbits, x, y) ((x) + (y)) +#define JAS_FIX_ADD_FAST(fix_t, fracbits, x, y) ((x) + (y)) /* Calculate the sum of two fixed-point numbers with overflow checking. */ -#define JAS_FIX_ADD_OFLOW(fix_t, fracbits, x, y) \ - ((x) >= 0) ? \ - (((y) >= 0) ? ((x) + (y) >= 0 || JAS_FIX_OFLOW(), (x) + (y)) : \ - ((x) + (y))) : \ - (((y) >= 0) ? ((x) + (y)) : ((x) + (y) < 0 || JAS_FIX_OFLOW(), \ - (x) + (y))) +#define JAS_FIX_ADD_OFLOW(fix_t, fracbits, x, y) \ + ((x) >= 0) ? \ + (((y) >= 0) ? ((x) + (y) >= 0 || JAS_FIX_OFLOW(), (x) + (y)) : \ + ((x) + (y))) : \ + (((y) >= 0) ? ((x) + (y)) : ((x) + (y) < 0 || JAS_FIX_OFLOW(), \ + (x) + (y))) /* Calculate the product of two fixed-point numbers. */ #if !defined(DEBUG_OVERFLOW) -#define JAS_FIX_MUL JAS_FIX_MUL_FAST +#define JAS_FIX_MUL JAS_FIX_MUL_FAST #else -#define JAS_FIX_MUL JAS_FIX_MUL_OFLOW +#define JAS_FIX_MUL JAS_FIX_MUL_OFLOW #endif /* Calculate the product of two fixed-point numbers without overflow checking. */ -#define JAS_FIX_MUL_FAST(fix_t, fracbits, bigfix_t, x, y) \ - JAS_CAST(fix_t, (JAS_CAST(bigfix_t, x) * JAS_CAST(bigfix_t, y)) >> \ - (fracbits)) +#define JAS_FIX_MUL_FAST(fix_t, fracbits, bigfix_t, x, y) \ + JAS_CAST(fix_t, (JAS_CAST(bigfix_t, x) * JAS_CAST(bigfix_t, y)) >> \ + (fracbits)) /* Calculate the product of two fixed-point numbers with overflow checking. */ #define JAS_FIX_MUL_OFLOW(fix_t, fracbits, bigfix_t, x, y) \ - ((JAS_CAST(bigfix_t, x) * JAS_CAST(bigfix_t, y) >> (fracbits)) == \ - JAS_CAST(fix_t, (JAS_CAST(bigfix_t, x) * JAS_CAST(bigfix_t, y) >> \ - (fracbits))) ? \ - JAS_CAST(fix_t, (JAS_CAST(bigfix_t, x) * JAS_CAST(bigfix_t, y) >> \ - (fracbits))) : JAS_FIX_OFLOW()) + ((JAS_CAST(bigfix_t, x) * JAS_CAST(bigfix_t, y) >> (fracbits)) == \ + JAS_CAST(fix_t, (JAS_CAST(bigfix_t, x) * JAS_CAST(bigfix_t, y) >> \ + (fracbits))) ? \ + JAS_CAST(fix_t, (JAS_CAST(bigfix_t, x) * JAS_CAST(bigfix_t, y) >> \ + (fracbits))) : JAS_FIX_OFLOW()) /* Calculate the product of a fixed-point number and an int. */ #if !defined(DEBUG_OVERFLOW) -#define JAS_FIX_MULBYINT JAS_FIX_MULBYINT_FAST +#define JAS_FIX_MULBYINT JAS_FIX_MULBYINT_FAST #else -#define JAS_FIX_MULBYINT JAS_FIX_MULBYINT_OFLOW +#define JAS_FIX_MULBYINT JAS_FIX_MULBYINT_OFLOW #endif /* Calculate the product of a fixed-point number and an int without overflow checking. */ -#define JAS_FIX_MULBYINT_FAST(fix_t, fracbits, x, y) \ - JAS_CAST(fix_t, ((x) * (y))) +#define JAS_FIX_MULBYINT_FAST(fix_t, fracbits, x, y) \ + JAS_CAST(fix_t, ((x) * (y))) /* Calculate the product of a fixed-point number and an int with overflow checking. */ -#define JAS_FIX_MULBYINT_OFLOW(fix_t, fracbits, x, y) \ - JAS_FIX_MULBYINT_FAST(fix_t, fracbits, x, y) +#define JAS_FIX_MULBYINT_OFLOW(fix_t, fracbits, x, y) \ + JAS_FIX_MULBYINT_FAST(fix_t, fracbits, x, y) /* Calculate the quotient of two fixed-point numbers. */ #if !defined(DEBUG_OVERFLOW) -#define JAS_FIX_DIV JAS_FIX_DIV_FAST +#define JAS_FIX_DIV JAS_FIX_DIV_FAST #else -#define JAS_FIX_DIV JAS_FIX_DIV_UFLOW +#define JAS_FIX_DIV JAS_FIX_DIV_UFLOW #endif /* Calculate the quotient of two fixed-point numbers without underflow checking. */ -#define JAS_FIX_DIV_FAST(fix_t, fracbits, bigfix_t, x, y) \ - JAS_CAST(fix_t, (JAS_CAST(bigfix_t, x) << (fracbits)) / (y)) +#define JAS_FIX_DIV_FAST(fix_t, fracbits, bigfix_t, x, y) \ + JAS_CAST(fix_t, (JAS_CAST(bigfix_t, x) << (fracbits)) / (y)) /* Calculate the quotient of two fixed-point numbers with underflow checking. */ #define JAS_FIX_DIV_UFLOW(fix_t, fracbits, bigfix_t, x, y) \ - JAS_FIX_DIV_FAST(fix_t, fracbits, bigfix_t, x, y) + JAS_FIX_DIV_FAST(fix_t, fracbits, bigfix_t, x, y) /* Negate a fixed-point number. */ #if !defined(DEBUG_OVERFLOW) -#define JAS_FIX_NEG JAS_FIX_NEG_FAST +#define JAS_FIX_NEG JAS_FIX_NEG_FAST #else -#define JAS_FIX_NEG JAS_FIX_NEG_OFLOW +#define JAS_FIX_NEG JAS_FIX_NEG_OFLOW #endif /* Negate a fixed-point number without overflow checking. */ -#define JAS_FIX_NEG_FAST(fix_t, fracbits, x) \ - (-(x)) +#define JAS_FIX_NEG_FAST(fix_t, fracbits, x) \ + (-(x)) /* Negate a fixed-point number with overflow checking. */ /* Yes, overflow is actually possible for two's complement representations, although highly unlikely to occur. */ -#define JAS_FIX_NEG_OFLOW(fix_t, fracbits, x) \ - (((x) < 0) ? (-(x) > 0 || JAS_FIX_OFLOW(), -(x)) : (-(x))) +#define JAS_FIX_NEG_OFLOW(fix_t, fracbits, x) \ + (((x) < 0) ? (-(x) > 0 || JAS_FIX_OFLOW(), -(x)) : (-(x))) /* Perform an arithmetic shift left of a fixed-point number. */ #if !defined(DEBUG_OVERFLOW) -#define JAS_FIX_ASL JAS_FIX_ASL_FAST +#define JAS_FIX_ASL JAS_FIX_ASL_FAST #else -#define JAS_FIX_ASL JAS_FIX_ASL_OFLOW +#define JAS_FIX_ASL JAS_FIX_ASL_OFLOW #endif /* Perform an arithmetic shift left of a fixed-point number without overflow checking. */ -#define JAS_FIX_ASL_FAST(fix_t, fracbits, x, n) \ - ((x) << (n)) +#define JAS_FIX_ASL_FAST(fix_t, fracbits, x, n) \ + ((x) << (n)) /* Perform an arithmetic shift left of a fixed-point number with overflow checking. */ -#define JAS_FIX_ASL_OFLOW(fix_t, fracbits, x, n) \ - ((((x) << (n)) >> (n)) == (x) || JAS_FIX_OFLOW(), (x) << (n)) +#define JAS_FIX_ASL_OFLOW(fix_t, fracbits, x, n) \ + ((((x) << (n)) >> (n)) == (x) || JAS_FIX_OFLOW(), (x) << (n)) /* Perform an arithmetic shift right of a fixed-point number. */ #if !defined(DEBUG_OVERFLOW) -#define JAS_FIX_ASR JAS_FIX_ASR_FAST +#define JAS_FIX_ASR JAS_FIX_ASR_FAST #else -#define JAS_FIX_ASR JAS_FIX_ASR_UFLOW +#define JAS_FIX_ASR JAS_FIX_ASR_UFLOW #endif /* Perform an arithmetic shift right of a fixed-point number without underflow checking. */ -#define JAS_FIX_ASR_FAST(fix_t, fracbits, x, n) \ - ((x) >> (n)) +#define JAS_FIX_ASR_FAST(fix_t, fracbits, x, n) \ + ((x) >> (n)) /* Perform an arithmetic shift right of a fixed-point number with underflow checking. */ -#define JAS_FIX_ASR_UFLOW(fix_t, fracbits, x, n) \ - JAS_FIX_ASR_FAST(fix_t, fracbits, x, n) +#define JAS_FIX_ASR_UFLOW(fix_t, fracbits, x, n) \ + JAS_FIX_ASR_FAST(fix_t, fracbits, x, n) /******************************************************************************\ * Other basic arithmetic operations. @@ -310,35 +310,35 @@ extern "C" { /* Calculate the difference between two fixed-point numbers. */ #define JAS_FIX_SUB(fix_t, fracbits, x, y) \ - JAS_FIX_ADD(fix_t, fracbits, x, JAS_FIX_NEG(fix_t, fracbits, y)) + JAS_FIX_ADD(fix_t, fracbits, x, JAS_FIX_NEG(fix_t, fracbits, y)) /* Add one fixed-point number to another. */ #define JAS_FIX_PLUSEQ(fix_t, fracbits, x, y) \ - ((x) = JAS_FIX_ADD(fix_t, fracbits, x, y)) + ((x) = JAS_FIX_ADD(fix_t, fracbits, x, y)) /* Subtract one fixed-point number from another. */ #define JAS_FIX_MINUSEQ(fix_t, fracbits, x, y) \ - ((x) = JAS_FIX_SUB(fix_t, fracbits, x, y)) + ((x) = JAS_FIX_SUB(fix_t, fracbits, x, y)) /* Multiply one fixed-point number by another. */ -#define JAS_FIX_MULEQ(fix_t, fracbits, bigfix_t, x, y) \ - ((x) = JAS_FIX_MUL(fix_t, fracbits, bigfix_t, x, y)) +#define JAS_FIX_MULEQ(fix_t, fracbits, bigfix_t, x, y) \ + ((x) = JAS_FIX_MUL(fix_t, fracbits, bigfix_t, x, y)) /******************************************************************************\ * Miscellaneous operations. \******************************************************************************/ /* Calculate the absolute value of a fixed-point number. */ -#define JAS_FIX_ABS(fix_t, fracbits, x) \ - (((x) >= 0) ? (x) : (JAS_FIX_NEG(fix_t, fracbits, x))) +#define JAS_FIX_ABS(fix_t, fracbits, x) \ + (((x) >= 0) ? (x) : (JAS_FIX_NEG(fix_t, fracbits, x))) /* Is a fixed-point number an integer? */ -#define JAS_FIX_ISINT(fix_t, fracbits, x) \ - (JAS_FIX_FLOOR(fix_t, fracbits, x) == (x)) +#define JAS_FIX_ISINT(fix_t, fracbits, x) \ + (JAS_FIX_FLOOR(fix_t, fracbits, x) == (x)) /* Get the sign of a fixed-point number. */ #define JAS_FIX_SGN(fix_t, fracbits, x) \ - ((x) >= 0 ? 1 : (-1)) + ((x) >= 0 ? 1 : (-1)) /******************************************************************************\ * Relational operations. @@ -346,45 +346,45 @@ extern "C" { /* Compare two fixed-point numbers. */ #define JAS_FIX_CMP(fix_t, fracbits, x, y) \ - ((x) > (y) ? 1 : (((x) == (y)) ? 0 : (-1))) + ((x) > (y) ? 1 : (((x) == (y)) ? 0 : (-1))) /* Less than. */ -#define JAS_FIX_LT(fix_t, fracbits, x, y) \ - ((x) < (y)) +#define JAS_FIX_LT(fix_t, fracbits, x, y) \ + ((x) < (y)) /* Less than or equal. */ -#define JAS_FIX_LTE(fix_t, fracbits, x, y) \ - ((x) <= (y)) +#define JAS_FIX_LTE(fix_t, fracbits, x, y) \ + ((x) <= (y)) /* Greater than. */ -#define JAS_FIX_GT(fix_t, fracbits, x, y) \ - ((x) > (y)) +#define JAS_FIX_GT(fix_t, fracbits, x, y) \ + ((x) > (y)) /* Greater than or equal. */ -#define JAS_FIX_GTE(fix_t, fracbits, x, y) \ - ((x) >= (y)) +#define JAS_FIX_GTE(fix_t, fracbits, x, y) \ + ((x) >= (y)) /******************************************************************************\ * Rounding functions. \******************************************************************************/ /* Round a fixed-point number to the nearest integer. */ -#define JAS_FIX_ROUND(fix_t, fracbits, x) \ - (((x) < 0) ? JAS_FIX_FLOOR(fix_t, fracbits, JAS_FIX_ADD(fix_t, fracbits, \ - (x), JAS_FIX_HALF(fix_t, fracbits))) : \ - JAS_FIX_NEG(fix_t, fracbits, JAS_FIX_FLOOR(fix_t, fracbits, \ - JAS_FIX_ADD(fix_t, fracbits, (-(x)), JAS_FIX_HALF(fix_t, fracbits))))) +#define JAS_FIX_ROUND(fix_t, fracbits, x) \ + (((x) < 0) ? JAS_FIX_FLOOR(fix_t, fracbits, JAS_FIX_ADD(fix_t, fracbits, \ + (x), JAS_FIX_HALF(fix_t, fracbits))) : \ + JAS_FIX_NEG(fix_t, fracbits, JAS_FIX_FLOOR(fix_t, fracbits, \ + JAS_FIX_ADD(fix_t, fracbits, (-(x)), JAS_FIX_HALF(fix_t, fracbits))))) /* Round a fixed-point number to the nearest integer in the direction of negative infinity (i.e., the floor function). */ -#define JAS_FIX_FLOOR(fix_t, fracbits, x) \ - ((x) & (~((JAS_CAST(fix_t, 1) << (fracbits)) - 1))) +#define JAS_FIX_FLOOR(fix_t, fracbits, x) \ + ((x) & (~((JAS_CAST(fix_t, 1) << (fracbits)) - 1))) /* Round a fixed-point number to the nearest integer in the direction of zero. */ #define JAS_FIX_TRUNC(fix_t, fracbits, x) \ - (((x) >= 0) ? JAS_FIX_FLOOR(fix_t, fracbits, x) : \ - JAS_FIX_CEIL(fix_t, fracbits, x)) + (((x) >= 0) ? JAS_FIX_FLOOR(fix_t, fracbits, x) : \ + JAS_FIX_CEIL(fix_t, fracbits, x)) /******************************************************************************\ * The below macros are for internal library use only. Do not invoke them @@ -392,12 +392,12 @@ extern "C" { \******************************************************************************/ /* Handle overflow. */ -#define JAS_FIX_OFLOW() \ - fprintf(stderr, "overflow error: file %s, line %d\n", __FILE__, __LINE__) +#define JAS_FIX_OFLOW() \ + fprintf(stderr, "overflow error: file %s, line %d\n", __FILE__, __LINE__) /* Handle underflow. */ -#define JAS_FIX_UFLOW() \ - fprintf(stderr, "underflow error: file %s, line %d\n", __FILE__, __LINE__) +#define JAS_FIX_UFLOW() \ + fprintf(stderr, "underflow error: file %s, line %d\n", __FILE__, __LINE__) #ifdef __cplusplus } |