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Comparing CV/CV.xs (file contents):
Revision 1.18 by root, Wed Jul 20 09:06:37 2005 UTC vs.
Revision 1.20 by root, Fri Jul 22 06:14:25 2005 UTC

281 U8 *pend = path + plen; 281 U8 *pend = path + plen;
282 U8 dst [plen * 6 * 3], *dstp = dst; 282 U8 dst [plen * 6 * 3], *dstp = dst;
283 283
284 while (path < pend) 284 while (path < pend)
285 { 285 {
286 U8 ch = *path;
287
286 if (*path >= '0' && *path <= '9') 288 if (ch >= 'a' && ch <= 'z')
289 *dstp++ = *path++;
290 else if (ch >= '0' && ch <= '9')
287 { 291 {
288 STRLEN el, nl = 0; 292 STRLEN el, nl = 0;
289 while (*path >= '0' && *path <= '9') 293 while (*path >= '0' && *path <= '9' && path < pend)
290 path++, nl++; 294 path++, nl++;
291 295
292 for (el = nl; el < 6; el++) 296 for (el = nl; el < 6; el++)
293 *dstp++ = '0'; 297 *dstp++ = '0';
294 298
390 } 394 }
391} 395}
392 OUTPUT: 396 OUTPUT:
393 RETVAL 397 RETVAL
394 398
395SV *
396make_histogram (SV *ar)
397 CODE:
398{
399 int i;
400 AV *av, *result;
401
402 if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV)
403 croak ("Not an array ref as first argument to make_histogram");
404
405 av = (AV *) SvRV (ar);
406 result = newAV ();
407
408 for (i = 0; i <= av_len (av); ++i)
409 {
410 const int HISTSIZE = 64;
411
412 int j;
413 SV *sv = *av_fetch (av, i, 1);
414 STRLEN len;
415 char *buf = SvPVbyte (sv, len);
416
417 int tmphist[HISTSIZE];
418 float *hist;
419
420 SV *histsv = newSV (HISTSIZE * sizeof (float) + 1);
421 SvPOK_on (histsv);
422 SvCUR_set (histsv, HISTSIZE * sizeof (float));
423 hist = (float *)SvPVX (histsv);
424
425 Zero (tmphist, sizeof (tmphist), char);
426
427 for (j = len; j--; )
428 {
429 unsigned int idx
430 = ((*buf & 0xc0) >> 2)
431 | ((*buf & 0x18) >> 1)
432 | (*buf & 0x03);
433
434 ++tmphist[idx];
435 ++buf;
436 }
437
438 for (j = 0; j < HISTSIZE; ++j)
439 hist[j] = (float)tmphist[j] / (len + 1e-30);
440
441 av_push (result, histsv);
442 }
443
444 RETVAL = newRV_noinc ((SV *)result);
445}
446 OUTPUT:
447 RETVAL
448
449############################################################################# 399#############################################################################
450 400
451MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript 401MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
452 402
453void 403void
576 } 526 }
577} 527}
578 OUTPUT: 528 OUTPUT:
579 RETVAL 529 RETVAL
580 530
531#############################################################################
581 532
533MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Plugin::RCluster
582 534
535SV *
536make_histograms (SV *ar)
537 CODE:
538{
539 int i;
540 AV *av, *result;
541
542 if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV)
543 croak ("Not an array ref as first argument to make_histogram");
544
545 av = (AV *) SvRV (ar);
546 result = newAV ();
547
548 for (i = 0; i <= av_len (av); ++i)
549 {
550 const int HISTSIZE = 64;
551
552 int j;
553 SV *sv = *av_fetch (av, i, 1);
554 STRLEN len;
555 char *buf = SvPVbyte (sv, len);
556
557 int tmphist[HISTSIZE];
558 float *hist;
559
560 SV *histsv = newSV (HISTSIZE * sizeof (float) + 1);
561 SvPOK_on (histsv);
562 SvCUR_set (histsv, HISTSIZE * sizeof (float));
563 hist = (float *)SvPVX (histsv);
564
565 Zero (tmphist, sizeof (tmphist), char);
566
567 for (j = len; j--; )
568 {
569 unsigned int idx
570 = ((*buf & 0xc0) >> 2)
571 | ((*buf & 0x18) >> 1)
572 | (*buf & 0x03);
573
574 ++tmphist[idx];
575 ++buf;
576 }
577
578 for (j = 0; j < HISTSIZE; ++j)
579 hist[j] = (float)tmphist[j] / (len + 1e-30);
580
581 av_push (result, histsv);
582 }
583
584 RETVAL = newRV_noinc ((SV *)result);
585}
586 OUTPUT:
587 RETVAL
588
589

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