verification

main.cpp

@@ -18,6 +18,28 @@ void generate_file(int N, const std::string& filename)
     }
 }
 
+void read_and_evaluate(std::string filename, int n)
+{
+    Buffer main_buffer(n);
+    auto buff = main_buffer.divide(1)[0];
+
+    std::ifstream in_stream(filename);
+    Reader input_reader(in_stream);
+
+    while (true) {
+        size_t records_read = read_chunk(input_reader, buff);
+
+        if (records_read == 0) {
+            break;
+        }
+
+        for (size_t i = 0; i < records_read; ++i) {
+            const Record& rec = buff[i];
+            std::cout << "[Evaluate i = " << i << ": " << rec.evaluate() << "] " << rec << "\n";
+        }
+    }
+}
+
 int main(int argc, char** argv)
 {
     try {
@@ -28,6 +50,11 @@ int main(int argc, char** argv)
             return 0;
         }
 
+        if (opts.evaluate_file) {
+            read_and_evaluate(opts.input_file, opts.N);
+            return 0;
+        }
+
         sort_file(opts);
 
     } catch (const std::exception& e) {