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Add more asserts to catch bugs.

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This commit is contained in:
Jonathan Naylor
2016-03-07 20:21:55 +00:00
parent 14c6208ae5
commit 12fb99c00a
12 changed files with 92 additions and 4 deletions
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21
Hamming.cpp
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@@ -1,5 +1,5 @@
/*
* Copyright (C) 2015 by Jonathan Naylor G4KLX
* Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -18,9 +18,14 @@
#include "Hamming.h"
#include <cstdio>
#include <cassert>
// Hamming (15,11,3) check a boolean data array
bool CHamming::decode15113(bool* d)
{
assert(d != NULL);
// Calculate the checksum this row should have
bool c0 = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[5] ^ d[7] ^ d[8];
bool c1 = d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[6] ^ d[8] ^ d[9];
@@ -60,6 +65,8 @@ bool CHamming::decode15113(bool* d)
void CHamming::encode15113(bool* d)
{
assert(d != NULL);
// Calculate the checksum this row should have
d[11] = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[5] ^ d[7] ^ d[8];
d[12] = d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[6] ^ d[8] ^ d[9];
@@ -70,6 +77,8 @@ void CHamming::encode15113(bool* d)
// Hamming (13,9,3) check a boolean data array
bool CHamming::decode1393(bool* d)
{
assert(d != NULL);
// Calculate the checksum this column should have
bool c0 = d[0] ^ d[1] ^ d[3] ^ d[5] ^ d[6];
bool c1 = d[0] ^ d[1] ^ d[2] ^ d[4] ^ d[6] ^ d[7];
@@ -107,6 +116,8 @@ bool CHamming::decode1393(bool* d)
void CHamming::encode1393(bool* d)
{
assert(d != NULL);
// Calculate the checksum this column should have
d[9] = d[0] ^ d[1] ^ d[3] ^ d[5] ^ d[6];
d[10] = d[0] ^ d[1] ^ d[2] ^ d[4] ^ d[6] ^ d[7];
@@ -117,6 +128,8 @@ void CHamming::encode1393(bool* d)
// A Hamming (16,11,4) Check
bool CHamming::decode16114(bool* d)
{
assert(d != NULL);
// Calculate the checksum this column should have
bool c0 = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[5] ^ d[7] ^ d[8];
bool c1 = d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[6] ^ d[8] ^ d[9];
@@ -163,6 +176,8 @@ bool CHamming::decode16114(bool* d)
void CHamming::encode16114(bool* d)
{
assert(d != NULL);
d[11] = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[5] ^ d[7] ^ d[8];
d[12] = d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[6] ^ d[8] ^ d[9];
d[13] = d[2] ^ d[3] ^ d[4] ^ d[5] ^ d[7] ^ d[9] ^ d[10];
@@ -173,6 +188,8 @@ void CHamming::encode16114(bool* d)
// A Hamming (17,12,3) Check
bool CHamming::decode17123(bool* d)
{
assert(d != NULL);
// Calculate the checksum this column should have
bool c0 = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[6] ^ d[7] ^ d[9];
bool c1 = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[7] ^ d[8] ^ d[10];
@@ -220,6 +237,8 @@ bool CHamming::decode17123(bool* d)
void CHamming::encode17123(bool* d)
{
assert(d != NULL);
d[12] = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[6] ^ d[7] ^ d[9];
d[13] = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[7] ^ d[8] ^ d[10];
d[14] = d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[5] ^ d[8] ^ d[9] ^ d[11];