Disable burn_in for FP16 Tensor Cores

AlexeyAB

2018-04-15 6aa140b3c6e9917936f73bd538fce4fe20954233

 src/detector.c

@@ -167,7 +167,7 @@
#else
        loss = train_network(net, train);
#endif
        if (avg_loss < 0) avg_loss = loss;
        if (avg_loss < 0 || avg_loss != avg_loss) avg_loss = loss;   // if(-inf or nan)
        avg_loss = avg_loss*.9 + loss*.1;

        i = get_current_batch(net);