fix bug of wrong display of training epoch number

source/sample/transformer/T2TTrainer.cpp

@@ -123,7 +123,7 @@ void T2TTrainer::Train(const char * fn, T2TModel * model)
     
     double startT = GetClockSec();
     
-    for(epoch = 0; epoch < nepoch; epoch++){
+    for(epoch = 1; epoch <= nepoch; epoch++){
         
         FILE * file = fopen(fn, "rb");
         CheckNTErrors(file, "cannot open training file!");
@@ -179,7 +179,7 @@ void T2TTrainer::Train(const char * fn, T2TModel * model)
             if (step % 1 == 0) {
                 double elapsed = GetClockSec() - startT;
                 XPRINT7(0, stderr, "[INFO] lr=%.2e, elapsed=%.1fs, step=%d, epoch=%d, word=%d, ppl=%.3f, sppl=%.3f\n",
-                        lr, elapsed, step, epoch + 1, wordCountTotal, exp(loss / wordCount), exp(-prob/wc));
+                        lr, elapsed, step, epoch, wordCountTotal, exp(loss / wordCount), exp(-prob/wc));
             }
 
             if(mem != NULL && mem->mode == UNI_FREE)
@@ -200,9 +200,9 @@ void T2TTrainer::Train(const char * fn, T2TModel * model)
     fclose(tf);
     
     XPRINT6(0, stderr, "[INFO] lr=%.2e, elapsed=%.1fs, step=%d, epoch=%d, word=%d, ppl=%.3f\n",
-            lr, elapsed, step, epoch + 1, wordCountTotal, exp(loss / wordCount));
+            lr, elapsed, step, epoch, wordCountTotal, exp(loss / wordCount));
     XPRINT3(0, stderr, "[INFO] training finished (took %.1fs, step=%d and epoch=%d)\n",
-            elapsed, step, epoch + 1);
+            elapsed, step, epoch);
 }
 
 /*