[src] relax assertion constraint slightly (RE matrix orthonormalization) (#3767)

Author: freewym

src/nnet3/nnet-utils.cc

@@ -1045,7 +1045,7 @@ void ConstrainOrthonormalInternal(BaseFloat scale, CuMatrixBase<BaseFloat> *M) {
  // the learning rate slower to reduce the risk of divergence, since the
  // update may not be stable for starting points far from equilibrium.
  BaseFloat ratio = (trace_P_P * P.NumRows() / (trace_P * trace_P));
- KALDI_ASSERT(ratio > 0.999);
+ KALDI_ASSERT(ratio > 0.99);
  if (ratio > 1.02) {
  update_speed *= 0.5; // Slow down the update speed to reduce the risk of divergence.
  if (ratio > 1.1) update_speed *= 0.5; // Slow it down even more.