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Diffstat (limited to 'Master/texmf-dist/doc/latex/gatech-thesis/julesverne/bellswhistles/code/crc32.cxx')
-rw-r--r--Master/texmf-dist/doc/latex/gatech-thesis/julesverne/bellswhistles/code/crc32.cxx135
1 files changed, 0 insertions, 135 deletions
diff --git a/Master/texmf-dist/doc/latex/gatech-thesis/julesverne/bellswhistles/code/crc32.cxx b/Master/texmf-dist/doc/latex/gatech-thesis/julesverne/bellswhistles/code/crc32.cxx
deleted file mode 100644
index 84af0f9144d..00000000000
--- a/Master/texmf-dist/doc/latex/gatech-thesis/julesverne/bellswhistles/code/crc32.cxx
+++ /dev/null
@@ -1,135 +0,0 @@
- // +++Date last modified: 05-Jul-1997
-
-/*
-** CRC Calculator by Paul Johnston
-** Version 1.0 Copyright 10/9/96 (September)
-** Explicitly released to the public domain 30-Oct-1996 by the author
-*/
-
-#include "crc.hpp"
-
-unsigned long
-Reflect (unsigned long toref, char w)
-{
- unsigned long v = 0;
-
- for (int i = 1; i < (w + 1); i++)
- {
- if (toref & 1L)
- v |= 1L << (w - i);
- toref >>= 1;
- }
- return v;
-}
-
-
-unsigned long
-CrcCalc::Add (unsigned long crc, char *sCrc)
-{
- crc ^= crxo;
- if (fcrr)
- {
- while (*sCrc)
- crc = (crc >> 8) ^ acrpt[(crc & 0xFF) ^ *sCrc++];
- }
- else
- {
- while (*sCrc)
- crc = (crc << 8) ^ acrpt[((crc >> (crwd - 8)) & 0xFF) ^ *sCrc++];
- }
- return (crc ^ crxo) & (-1l >> (32 - crwd));
-}
-
-unsigned long
-CrcCalc::Add (unsigned long crc, PData sCrc)
-{
- crc ^= crxo;
- if (fcrr)
- {
- while (sCrc.l--)
- crc = (crc >> 8) ^ acrpt[(crc & 0xFF) ^
- *((unsigned char *) sCrc.pData)++];
- }
- else
- {
- while (sCrc.l--)
- crc = (crc << 8) ^ acrpt[((crc >> (crwd - 8)) & 0xFF) ^
- *((unsigned char *) sCrc.pData)++];
- }
- return (crc ^ crxo) & (-1l >> (32 - crwd));
-}
-
-unsigned long
-CrcCalc::Add (unsigned long crc, unsigned char sCrc)
-{
- crc ^= crxo;
- if (fcrr)
- crc = (crc >> 8) ^ acrpt[(crc & 0xFF) ^ sCrc];
- else
- crc = (crc << 8) ^ acrpt[((crc >> (crwd - 8)) & 0xFF) ^ sCrc];
- return (crc ^ crxo) & (-1l >> (32 - crwd));
-}
-
-unsigned long
-CrcCalc::Init ()
-{
- return fcrr ? Reflect (crgi, crwd) ^ crxo : crgi ^ crxo;
-}
-
-CrcCalc::CrcCalc (Crst crst)
-{
- switch (crst)
- {
- case Crc16:
- InitCalc (0x1021l, 0xFFFFl, 0l, 0, 16);
- break;
- case Crc32:
- InitCalc (0x04C11DB7l, -1l, -1l, 1, 32);
- break;
- case JamCrc:
- InitCalc (0x04C11DB7l, -1l, 0l, 1, 32);
- break;
- case XModemCrc:
- InitCalc (0x8408l, 0l, 0l, 1, 16);
- break;
- case ZModemCrc16:
- InitCalc (0x1021l, 0l, 0l, 0, 16);
- break;
- case ZModemCrc32:
- InitCalc (0x04C11DB7l, -1l, -1l, 1, 32);
- break;
- }
-}
-
-CrcCalc::CrcCalc (unsigned long crpNew,
- unsigned long crgiNew,
- unsigned long crxoNew,
- unsigned char fcrrNew, unsigned char crwdNew)
-{
- InitCalc (crpNew, crgiNew, crxoNew, fcrrNew, crwdNew);
-}
-
-void
-CrcCalc::InitCalc (unsigned long crpNew,
- unsigned long crgiNew,
- unsigned long crxoNew,
- unsigned char fcrrNew, unsigned char crwdNew)
-{
- crp = crpNew;
- crgi = crgiNew;
- crxo = crxoNew;
- fcrr = fcrrNew;
- crwd = crwdNew;
-
- // Calculate look-up table
-
- for (unsigned long i = 0; i <= 0xFF; i++)
- {
- acrpt[i] = (fcrr ? Reflect (i, 8) : i) << (crwd - 8);
- for (unsigned long j = 0; j < 8; j++)
- acrpt[i] =
- (acrpt[i] << 1) ^ (acrpt[i] & (1l << (crwd - 1)) ? crp : 0);
- if (fcrr)
- acrpt[i] = Reflect (acrpt[i], crwd);
- }
-}