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authorB. Stack <bgstack15@gmail.com>2022-05-22 17:03:17 -0400
committerB. Stack <bgstack15@gmail.com>2022-05-22 17:03:17 -0400
commit2c81be72eef5363736cf1892646c74a3311ee4c1 (patch)
tree3894ba7e10c78750c195381a861da5e8166a6bfd /zen/crc.h
parentMerge branch 'b11.20' into 'master' (diff)
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add upstream 11.21b11.21
Diffstat (limited to 'zen/crc.h')
-rw-r--r--zen/crc.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/zen/crc.h b/zen/crc.h
index 1ff22999..c65ce2e7 100644
--- a/zen/crc.h
+++ b/zen/crc.h
@@ -52,7 +52,9 @@ uint16_t getCrc16(ByteIterator first, ByteIterator last) //http://www.sunshine2k
0x8801, 0x48c0, 0x4980, 0x8941, 0x4b00, 0x8bc1, 0x8a81, 0x4a40, 0x4e00, 0x8ec1, 0x8f81, 0x4f40, 0x8d01, 0x4dc0, 0x4c80, 0x8c41,
0x4400, 0x84c1, 0x8581, 0x4540, 0x8701, 0x47c0, 0x4680, 0x8641, 0x8201, 0x42c0, 0x4380, 0x8341, 0x4100, 0x81c1, 0x8081, 0x4040
};
- static_assert(arraySize(crcTable) == 256 && arrayAccumulate<uint32_t>(crcTable) == 8380544);
+ static_assert(std::size(crcTable) == 256);
+ static_assert(arrayHash(crcTable) == 728085957);
+
crc = (crc >> 8) ^ crcTable[(crc ^ b) & 0xFF];
});
return crc;
@@ -96,7 +98,8 @@ uint32_t getCrc32(ByteIterator first, ByteIterator last) //https://en.wikipedia.
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8,
0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
};
- static_assert(arraySize(crcTable) == 256 && arrayAccumulate<uint64_t>(crcTable) == 549755813760);
+ static_assert(std::size(crcTable) == 256);
+ static_assert(arrayHash(crcTable) == 2988069445);
crc = (crc >> 8) ^ crcTable[(crc ^ b) & 0xFF];
});
bgstack15