/src/c-blosc2/plugins/codecs/zfp/src/template/decode3.c

Source
/* private functions ------------------------------------------------------- */

/* scatter 4*4*4 block to strided array */
static void
_t2(scatter, Scalar, 3)(const Scalar* q, Scalar* p, ptrdiff_t sx, ptrdiff_t sy, ptrdiff_t sz)
{
  uint x, y, z;
  for (z = 0; z < 4; z++, p += sz - 4 * sy)
    for (y = 0; y < 4; y++, p += sy - 4 * sx)
      for (x = 0; x < 4; x++, p += sx)
        *p = *q++;
}

/* scatter nx*ny*nz block to strided array */
static void
_t2(scatter_partial, Scalar, 3)(const Scalar* q, Scalar* p, size_t nx, size_t ny, size_t nz, ptrdiff_t sx, ptrdiff_t sy, ptrdiff_t sz)
{
  size_t x, y, z;
  for (z = 0; z < nz; z++, p += sz - (ptrdiff_t)ny * sy, q += 4 * (4 - ny))
    for (y = 0; y < ny; y++, p += sy - (ptrdiff_t)nx * sx, q += 1 * (4 - nx))
      for (x = 0; x < nx; x++, p += sx, q++)
        *p = *q;
}

/* inverse decorrelating 3D transform */
static void
_t2(inv_xform, Int, 3)(Int* p)
{
  uint x, y, z;
  /* transform along z */
  for (y = 0; y < 4; y++)
    for (x = 0; x < 4; x++)
      _t1(inv_lift, Int)(p + 1 * x + 4 * y, 16);
  /* transform along y */
  for (x = 0; x < 4; x++)
    for (z = 0; z < 4; z++)
      _t1(inv_lift, Int)(p + 16 * z + 1 * x, 4);
  /* transform along x */
  for (z = 0; z < 4; z++)
    for (y = 0; y < 4; y++)
      _t1(inv_lift, Int)(p + 4 * y + 16 * z, 1);
}

/* public functions -------------------------------------------------------- */

/* decode 4*4*4 block and store at p using strides (sx, sy, sz) */
size_t
_t2(zfp_decode_block_strided, Scalar, 3)(zfp_stream* stream, Scalar* p, ptrdiff_t sx, ptrdiff_t sy, ptrdiff_t sz)
{
  /* decode contiguous block */
  cache_align_(Scalar block[64]);
  size_t bits = _t2(zfp_decode_block, Scalar, 3)(stream, block);
  /* scatter block to strided array */
  _t2(scatter, Scalar, 3)(block, p, sx, sy, sz);
  return bits;
}

/* decode nx*ny*nz block and store at p using strides (sx, sy, sz) */
size_t
_t2(zfp_decode_partial_block_strided, Scalar, 3)(zfp_stream* stream, Scalar* p, size_t nx, size_t ny, size_t nz, ptrdiff_t sx, ptrdiff_t sy, ptrdiff_t sz)
{
  /* decode contiguous block */
  cache_align_(Scalar block[64]);
  size_t bits = _t2(zfp_decode_block, Scalar, 3)(stream, block);
  /* scatter block to strided array */
  _t2(scatter_partial, Scalar, 3)(block, p, nx, ny, nz, sx, sy, sz);
  return bits;
}

Line	Count	Source
1		/* private functions ------------------------------------------------------- */
2
3		/* scatter 444 block to strided array */
4		static void
5		_t2(scatter, Scalar, 3)(const Scalar* q, Scalar* p, ptrdiff_t sx, ptrdiff_t sy, ptrdiff_t sz)
6	0	{
7	0	uint x, y, z;
8	0	for (z = 0; z < 4; z++, p += sz - 4 * sy)
9	0	for (y = 0; y < 4; y++, p += sy - 4 * sx)
10	0	for (x = 0; x < 4; x++, p += sx)
11	0	p = q++;
12	0	} Unexecuted instantiation: decode3d.c:scatter_double_3 Unexecuted instantiation: decode3f.c:scatter_float_3 Unexecuted instantiation: decode3i.c:scatter_int32_3 Unexecuted instantiation: decode3l.c:scatter_int64_3
13
14		/* scatter nxnynz block to strided array */
15		static void
16		_t2(scatter_partial, Scalar, 3)(const Scalar* q, Scalar* p, size_t nx, size_t ny, size_t nz, ptrdiff_t sx, ptrdiff_t sy, ptrdiff_t sz)
17	0	{
18	0	size_t x, y, z;
19	0	for (z = 0; z < nz; z++, p += sz - (ptrdiff_t)ny * sy, q += 4 * (4 - ny))
20	0	for (y = 0; y < ny; y++, p += sy - (ptrdiff_t)nx * sx, q += 1 * (4 - nx))
21	0	for (x = 0; x < nx; x++, p += sx, q++)
22	0	p = q;
23	0	} Unexecuted instantiation: decode3d.c:scatter_partial_double_3 Unexecuted instantiation: decode3f.c:scatter_partial_float_3 Unexecuted instantiation: decode3i.c:scatter_partial_int32_3 Unexecuted instantiation: decode3l.c:scatter_partial_int64_3
24
25		/* inverse decorrelating 3D transform */
26		static void
27		_t2(inv_xform, Int, 3)(Int* p)
28	0	{
29	0	uint x, y, z;
30		/* transform along z */
31	0	for (y = 0; y < 4; y++)
32	0	for (x = 0; x < 4; x++)
33	0	_t1(inv_lift, Int)(p + 1 * x + 4 * y, 16);
34		/* transform along y */
35	0	for (x = 0; x < 4; x++)
36	0	for (z = 0; z < 4; z++)
37	0	_t1(inv_lift, Int)(p + 16 * z + 1 * x, 4);
38		/* transform along x */
39	0	for (z = 0; z < 4; z++)
40	0	for (y = 0; y < 4; y++)
41	0	_t1(inv_lift, Int)(p + 4 * y + 16 * z, 1);
42	0	} Unexecuted instantiation: decode3d.c:inv_xform_int64_3 Unexecuted instantiation: decode3f.c:inv_xform_int32_3 Unexecuted instantiation: decode3i.c:inv_xform_int32_3 Unexecuted instantiation: decode3l.c:inv_xform_int64_3
43
44		/* public functions -------------------------------------------------------- */
45
46		/* decode 444 block and store at p using strides (sx, sy, sz) */
47		size_t
48		_t2(zfp_decode_block_strided, Scalar, 3)(zfp_stream* stream, Scalar* p, ptrdiff_t sx, ptrdiff_t sy, ptrdiff_t sz)
49	0	{
50		/* decode contiguous block */
51	0	cache_align_(Scalar block[64]);
52	0	size_t bits = _t2(zfp_decode_block, Scalar, 3)(stream, block);
53		/* scatter block to strided array */
54	0	_t2(scatter, Scalar, 3)(block, p, sx, sy, sz);
55	0	return bits;
56	0	} Unexecuted instantiation: zfp_decode_block_strided_double_3 Unexecuted instantiation: zfp_decode_block_strided_float_3 Unexecuted instantiation: zfp_decode_block_strided_int32_3 Unexecuted instantiation: zfp_decode_block_strided_int64_3
57
58		/* decode nxnynz block and store at p using strides (sx, sy, sz) */
59		size_t
60		_t2(zfp_decode_partial_block_strided, Scalar, 3)(zfp_stream* stream, Scalar* p, size_t nx, size_t ny, size_t nz, ptrdiff_t sx, ptrdiff_t sy, ptrdiff_t sz)
61	0	{
62		/* decode contiguous block */
63	0	cache_align_(Scalar block[64]);
64	0	size_t bits = _t2(zfp_decode_block, Scalar, 3)(stream, block);
65		/* scatter block to strided array */
66	0	_t2(scatter_partial, Scalar, 3)(block, p, nx, ny, nz, sx, sy, sz);
67	0	return bits;
68	0	} Unexecuted instantiation: zfp_decode_partial_block_strided_double_3 Unexecuted instantiation: zfp_decode_partial_block_strided_float_3 Unexecuted instantiation: zfp_decode_partial_block_strided_int32_3 Unexecuted instantiation: zfp_decode_partial_block_strided_int64_3

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Created: 2026-03-07 07:09