OpenJPEG: opj_intmath.h File Reference

OpenJPEG 2.3.1

opj_intmath.h File Reference

Implementation of operations on integers (INT) More...

Go to the source code of this file.

## Functions
Exported functions (see also openjpeg.h)
static INLINE OPJ_INT32 | opj_int_min (OPJ_INT32 a, OPJ_INT32 b)
| Get the minimum of two integers. More...
static INLINE OPJ_UINT32 | opj_uint_min (OPJ_UINT32 a, OPJ_UINT32 b)
| Get the minimum of two integers. More...
static INLINE OPJ_INT32 | opj_int_max (OPJ_INT32 a, OPJ_INT32 b)
| Get the maximum of two integers. More...
static INLINE OPJ_UINT32 | opj_uint_max (OPJ_UINT32 a, OPJ_UINT32 b)
| Get the maximum of two integers. More...
static INLINE OPJ_UINT32 | opj_uint_adds (OPJ_UINT32 a, OPJ_UINT32 b)
| Get the saturated sum of two unsigned integers. More...
static INLINE OPJ_UINT32 | opj_uint_subs (OPJ_UINT32 a, OPJ_UINT32 b)
| Get the saturated difference of two unsigned integers. More...
static INLINE OPJ_INT32 | opj_int_clamp (OPJ_INT32 a, OPJ_INT32 min, OPJ_INT32 max)
| Clamp an integer inside an interval. More...
static INLINE OPJ_INT64 | opj_int64_clamp (OPJ_INT64 a, OPJ_INT64 min, OPJ_INT64 max)
| Clamp an integer inside an interval. More...
static INLINE OPJ_INT32 | opj_int_abs (OPJ_INT32 a)
static INLINE OPJ_INT32 | opj_int_ceildiv (OPJ_INT32 a, OPJ_INT32 b)
| Divide an integer and round upwards. More...
static INLINE OPJ_UINT32 | opj_uint_ceildiv (OPJ_UINT32 a, OPJ_UINT32 b)
| Divide an integer and round upwards. More...
static INLINE OPJ_INT32 | opj_int_ceildivpow2 (OPJ_INT32 a, OPJ_INT32 b)
| Divide an integer by a power of 2 and round upwards. More...
static INLINE OPJ_INT32 | opj_int64_ceildivpow2 (OPJ_INT64 a, OPJ_INT32 b)
| Divide a 64bits integer by a power of 2 and round upwards. More...
static INLINE OPJ_UINT32 | opj_uint_ceildivpow2 (OPJ_UINT32 a, OPJ_UINT32 b)
| Divide an integer by a power of 2 and round upwards. More...
static INLINE OPJ_INT32 | opj_int_floordivpow2 (OPJ_INT32 a, OPJ_INT32 b)
| Divide an integer by a power of 2 and round downwards. More...
static INLINE OPJ_INT32 | opj_int_floorlog2 (OPJ_INT32 a)
| Get logarithm of an integer and round downwards. More...
static INLINE OPJ_UINT32 | opj_uint_floorlog2 (OPJ_UINT32 a)
| Get logarithm of an integer and round downwards. More...
static INLINE OPJ_INT32 | opj_int_fix_mul (OPJ_INT32 a, OPJ_INT32 b)
| Multiply two fixed-precision rational numbers. More...
static INLINE OPJ_INT32 | opj_int_fix_mul_t1 (OPJ_INT32 a, OPJ_INT32 b)

## Detailed Description

Implementation of operations on integers (INT)

The functions in OPJ_INTMATH.H have for goal to realize operations on integers.