/*
* Improves k to the maximum extent possible.
*/
Keyboard improver(Keyboard k)
{
printPercentages(&k);
Keyboard tk, bestk;
copy(&tk, &k);
copy(&bestk, &k);
int64_t bestEval = k.fitness;
int64_t curEval = anneal(&tk, NULL, 0);
if (curEval < bestEval) {
copy(&bestk, &tk);
bestEval = curEval;
printPercentages(&tk);
}
return bestk;
}
/* WARNING: Deprecated. Does not work with shifted characters.
*/
int bestSwap(Keyboard *k)
{
printPercentages(k);
calcFitness(k);
int64_t fitness = k->fitness;
int64_t origFitness = fitness;
int64_t bestFitness = fitness;
int bestIndices[2];
Keyboard bestKeyboard = *k;
int i, j;
for (i = 0; i < trueksize; i++) {
for (j = i+1; j < trueksize; j++) {
if (!isLegalSwap(k, indices[i], indices[j]))
continue;
swap(k, indices[i], indices[j]);
calcFitness(k);
if (k->fitness < bestFitness) {
bestFitness = k->fitness;
bestKeyboard = *k;
bestIndices[0] = indices[i];
bestIndices[1] = indices[j];
}
/* Print out all swaps that are a certain percentage better. */
if ((origFitness - k->fitness) / ((double) origFitness) > 0.05) {
printPercentages(k);
}
swap(k, indices[i], indices[j]);
}
}
printf("swap: %c and %c\n", k->layout[bestIndices[0]], k->layout[bestIndices[1]]);
printPercentages(&bestKeyboard);
return 0;
}
/*
* Read in each layout from the file and print out detailed information.
*/
int compare(char *filename)
{
FILE *fp = fopen(filename, "r");
int ret = 1;
while (ret != EOF && ret >= 0) {
Keyboard k;
ret = layoutFromFile(fp, &k);
if (ret >= 0) {
printPercentages(&k);
}
}
fclose(fp);
printf("\n");
return 0;
}
/*
* Read in each layout from the file and print out detailed information.
*/
int compare(const char *const filename)
{
FILE *file = fopen(filename, "r");
CHECK_FILE_FOR_NULL(file, filename);
int ret = 1;
while (ret != EOF && ret >= 0) {
Keyboard k;
ret = layoutFromFile(file, &k);
if (ret >= 0) {
printPercentages(&k);
}
}
fclose(file);
printf("\n");
return 0;
}
