Method compareRealNumbers

src/core/judgingthread.cpp:332–435

}

void JudgingThread::compareRealNumbers(const QString &contestantOutput) {
	FILE *contestantOutputFile = fopen(contestantOutput.toLocal8Bit().data(), "r");

	if (contestantOutputFile == nullptr) {
		score = 0;
		result = FileError;
		message = tr(R"(Cannot open contestant's output file)");
		return;
	}

	FILE *standardOutputFile = fopen(outputFile.toLocal8Bit().data(), "r");

	if (standardOutputFile == nullptr) {
		score = 0;
		result = FileError;
		message = tr(R"(Cannot open standard output file)");
		fclose(contestantOutputFile);
		return;
	}

	long double eps = 1;

	for (int i = 0; i < task->getRealPrecision(); i++)
		eps *= 0.1;

	long double a = NAN;
	long double b = NAN;
	int nowRow = 1;

	while (true) {
		int cnt1 = fscanf(contestantOutputFile, "%Lf", &a);
		int cnt2 = fscanf(standardOutputFile, "%Lf", &b);

		char temps = fgetc(standardOutputFile);

		if (cnt1 == 0) {
			score = 0;
			result = WrongAnswer;
			message = tr(R"(On line %1, Invalid characters in contestant's output file)").arg(nowRow);
			fclose(contestantOutputFile);
			fclose(standardOutputFile);
			return;
		}

		if (cnt2 == 0) {
			score = 0;
			result = FileError;
			message = tr(R"(On line %1, Invalid characters in standard output file)").arg(nowRow);
			fclose(contestantOutputFile);
			fclose(standardOutputFile);
			return;
		}

		if (cnt1 == EOF && cnt2 == EOF)
			break;

		if (cnt1 == EOF && cnt2 == 1) {
			score = 0;