message: Adding support for resolving constant Exp ops.
diff: @@ -51,6 +51,7 @@ bool ResolveConstantUnaryOperator::Run(Model* model, std::size_t op_index) {
  // Test for unary ops of types that we know how to resolve.
  switch (unary_op->type) {
  case OperatorType::kCast:
  + case OperatorType::kExp:
  case OperatorType::kLog:
  case OperatorType::kNeg:
  case OperatorType::kRsqrt:
  @@ -218,7 +219,8 @@ bool ResolveConstantUnaryOperator::Run(Model* model, std::size_t op_index) {
  max = std::max(max, (*input_float_data)[i]);
  }
  output_float_data[0] = max;
  - } else if (unary_op->type == OperatorType::kNeg ||
  + } else if (unary_op->type == OperatorType::kExp ||
  + unary_op->type == OperatorType::kNeg ||
  unary_op->type == OperatorType::kLog ||
  unary_op->type == OperatorType::kRsqrt ||
  unary_op->type == OperatorType::kSqrt ||
  @@ -231,7 +233,9 @@ bool ResolveConstantUnaryOperator::Run(Model* model, std::size_t op_index) {
  for (int i = 0; i < output_buffer_size; i++) {
  const float val = (*input_float_data)[i];
  float outval = 0.f;
  - if (unary_op->type == OperatorType::kNeg) {
  + if (unary_op->type == OperatorType::kExp) {
  + outval = std::exp(val);
  + } else if (unary_op->type == OperatorType::kNeg) {
  outval = -val;
  } else if (unary_op->type == OperatorType::kLog) {
  outval = std::log(val);
  