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moved crc and xorshift from DSP to CODE repository

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Ahmet Inan 2018-09-20 08:36:45 +02:00
commit ee79ff2b2d
8 changed files with 292 additions and 0 deletions
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1
tests/.gitignore vendored Normal file
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*_test

15
tests/Makefile Normal file
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CXXFLAGS = -I.. -std=c++17 -W -Wall -Ofast -fno-exceptions -fno-rtti -march=native
CXX = clang++ -stdlib=libc++
#CXX = g++
.PHONY: clean test
tests := $(basename $(wildcard *_test.*))
test: $(tests)
$(patsubst %,./%;,$(tests))
clean:
rm -f *_test

37
tests/crc_test.cc Normal file
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/*
Test for the Cyclic redundancy check
Copyright 2018 Ahmet Inan <inan@aicodix.de>
*/
#include <cassert>
#include <iostream>
#include <bitset>
#include "crc.hh"
int main()
{
if (1) {
CODE::CRC<uint32_t> crc(0xEDB88320, 0xFFFFFFFF);
for (uint8_t c: std::string("Hello World!")) crc(c);
assert(~crc() == 0x1C291CA3);
}
if (1) {
CODE::CRC<uint16_t> crc(0xA8F4);
for (uint8_t c: std::string("Hello World!")) crc(c);
assert(!crc(uint16_t(0x8FEF)));
crc.reset(0x9B38);
std::bitset<32> hw("00000010001001110111110100100100");
for (size_t i = 0; i < hw.size(); ++i) crc(hw[i]);
//std::cerr << "0x" << std::hex << crc() << std::endl;
assert(crc() == 0x915D);
}
if (1) {
CODE::CRC<uint8_t> crc(0x8C);
for (uint8_t c: std::string("Hello World!")) crc(c);
assert(!crc(uint8_t(0x9E)));
}
std::cerr << "Cyclic redundancy check test passed!" << std::endl;
return 0;
}