File: revencode2.c

package info (click to toggle)
c-blosc2 2.23.0%2Bds-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 14,060 kB
  • sloc: ansic: 46,362; python: 332; lisp: 82; makefile: 36; sh: 3
file content (14 lines) | stat: -rw-r--r-- 385 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
 
/* private functions ------------------------------------------------------- */

/* reversible forward decorrelating 2D transform */
static void
_t2(rev_fwd_xform, Int, 2)(Int* p)
{
  uint x, y;
  /* transform along x */
  for (y = 0; y < 4; y++)
    _t1(rev_fwd_lift, Int)(p + 4 * y, 1);
  /* transform along y */
  for (x = 0; x < 4; x++)
    _t1(rev_fwd_lift, Int)(p + 1 * x, 4);
}