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2025-02-Numerical/lib/nr/cpp/recipes/icrc1.cpp
2025-09-12 18:55:25 +09:00

16 lines
255 B
C++

#include "nr.h"
unsigned short NR::icrc1(const unsigned short crc, const unsigned char onech)
{
int i;
unsigned short ans=(crc ^ onech << 8);
for (i=0;i<8;i++) {
if (ans & 0x8000)
ans = (ans <<= 1) ^ 4129;
else
ans <<= 1;
}
return ans;
}