Internal Change.

PiperOrigin-RevId: 175307445

1 files changed, 1088 insertions, 0 deletions

diff --git a/tensorflow/contrib/lite/kernels/lstm_test.cc b/tensorflow/contrib/lite/kernels/lstm_test.cc
new file mode 100644
index 0000000000..be4c7ddbf8
--- /dev/null
+++ b/tensorflow/contrib/lite/kernels/lstm_test.cc
@@ -0,0 +1,1088 @@
+/* Copyright 2017 The TensorFlow Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+==============================================================================*/
+// Unit test for TFLite LSTM op.
+
+#include <iomanip>
+#include <memory>
+#include <vector>
+
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+#include "tensorflow/contrib/lite/interpreter.h"
+#include "tensorflow/contrib/lite/kernels/register.h"
+#include "tensorflow/contrib/lite/kernels/test_util.h"
+#include "tensorflow/contrib/lite/model.h"
+
+namespace tflite {
+namespace {
+
+using ::testing::ElementsAreArray;
+
+class LSTMOpModel : public SingleOpModel {
+ public:
+  LSTMOpModel(int n_batch, int n_input, int n_cell, int n_output, bool use_cifg,
+              bool use_peephole, bool use_projection_weights,
+              bool use_projection_bias, float cell_clip, float proj_clip,
+              const std::vector<std::vector<int>>& input_shapes)
+      : n_batch_(n_batch),
+        n_input_(n_input),
+        n_cell_(n_cell),
+        n_output_(n_output) {
+    input_ = AddInput(TensorType_FLOAT32);
+
+    if (use_cifg) {
+      input_to_input_weights_ = AddNullInput();
+    } else {
+      input_to_input_weights_ = AddInput(TensorType_FLOAT32);
+    }
+
+    input_to_forget_weights_ = AddInput(TensorType_FLOAT32);
+    input_to_cell_weights_ = AddInput(TensorType_FLOAT32);
+    input_to_output_weights_ = AddInput(TensorType_FLOAT32);
+
+    if (use_cifg) {
+      recurrent_to_input_weights_ = AddNullInput();
+    } else {
+      recurrent_to_input_weights_ = AddInput(TensorType_FLOAT32);
+    }
+
+    recurrent_to_forget_weights_ = AddInput(TensorType_FLOAT32);
+    recurrent_to_cell_weights_ = AddInput(TensorType_FLOAT32);
+    recurrent_to_output_weights_ = AddInput(TensorType_FLOAT32);
+
+    if (use_peephole) {
+      if (use_cifg) {
+        cell_to_input_weights_ = AddNullInput();
+      } else {
+        cell_to_input_weights_ = AddInput(TensorType_FLOAT32);
+      }
+      cell_to_forget_weights_ = AddInput(TensorType_FLOAT32);
+      cell_to_output_weights_ = AddInput(TensorType_FLOAT32);
+    } else {
+      cell_to_input_weights_ = AddNullInput();
+      cell_to_forget_weights_ = AddNullInput();
+      cell_to_output_weights_ = AddNullInput();
+    }
+
+    if (use_cifg) {
+      input_gate_bias_ = AddNullInput();
+    } else {
+      input_gate_bias_ = AddInput(TensorType_FLOAT32);
+    }
+    forget_gate_bias_ = AddInput(TensorType_FLOAT32);
+    cell_bias_ = AddInput(TensorType_FLOAT32);
+    output_gate_bias_ = AddInput(TensorType_FLOAT32);
+
+    if (use_projection_weights) {
+      projection_weights_ = AddInput(TensorType_FLOAT32);
+      if (use_projection_bias) {
+        projection_bias_ = AddInput(TensorType_FLOAT32);
+      } else {
+        projection_bias_ = AddNullInput();
+      }
+    } else {
+      projection_weights_ = AddNullInput();
+      projection_bias_ = AddNullInput();
+    }
+
+    scratch_buffer_ = AddOutput(TensorType_FLOAT32);
+    // TODO(ghodrat): Modify these states when we have a permanent solution for
+    // persistent buffer.
+    output_state_ = AddOutput(TensorType_FLOAT32);
+    cell_state_ = AddOutput(TensorType_FLOAT32);
+    output_ = AddOutput(TensorType_FLOAT32);
+
+    SetBuiltinOp(BuiltinOperator_LSTM, BuiltinOptions_LSTMOptions,
+                 CreateLSTMOptions(builder_, ActivationFunctionType_TANH,
+                                   cell_clip, proj_clip)
+                     .Union());
+    BuildInterpreter(input_shapes);
+  }
+
+  void SetInputToInputWeights(std::initializer_list<float> f) {
+    PopulateTensor(input_to_input_weights_, f);
+  }
+
+  void SetInputToForgetWeights(std::initializer_list<float> f) {
+    PopulateTensor(input_to_forget_weights_, f);
+  }
+
+  void SetInputToCellWeights(std::initializer_list<float> f) {
+    PopulateTensor(input_to_cell_weights_, f);
+  }
+
+  void SetInputToOutputWeights(std::initializer_list<float> f) {
+    PopulateTensor(input_to_output_weights_, f);
+  }
+
+  void SetRecurrentToInputWeights(std::initializer_list<float> f) {
+    PopulateTensor(recurrent_to_input_weights_, f);
+  }
+
+  void SetRecurrentToForgetWeights(std::initializer_list<float> f) {
+    PopulateTensor(recurrent_to_forget_weights_, f);
+  }
+
+  void SetRecurrentToCellWeights(std::initializer_list<float> f) {
+    PopulateTensor(recurrent_to_cell_weights_, f);
+  }
+
+  void SetRecurrentToOutputWeights(std::initializer_list<float> f) {
+    PopulateTensor(recurrent_to_output_weights_, f);
+  }
+
+  void SetCellToInputWeights(std::initializer_list<float> f) {
+    PopulateTensor(cell_to_input_weights_, f);
+  }
+
+  void SetCellToForgetWeights(std::initializer_list<float> f) {
+    PopulateTensor(cell_to_forget_weights_, f);
+  }
+
+  void SetCellToOutputWeights(std::initializer_list<float> f) {
+    PopulateTensor(cell_to_output_weights_, f);
+  }
+
+  void SetInputGateBias(std::initializer_list<float> f) {
+    PopulateTensor(input_gate_bias_, f);
+  }
+
+  void SetForgetGateBias(std::initializer_list<float> f) {
+    PopulateTensor(forget_gate_bias_, f);
+  }
+
+  void SetCellBias(std::initializer_list<float> f) {
+    PopulateTensor(cell_bias_, f);
+  }
+
+  void SetOutputGateBias(std::initializer_list<float> f) {
+    PopulateTensor(output_gate_bias_, f);
+  }
+
+  void SetProjectionWeights(std::initializer_list<float> f) {
+    PopulateTensor(projection_weights_, f);
+  }
+
+  void SetProjectionBias(std::initializer_list<float> f) {
+    PopulateTensor(projection_bias_, f);
+  }
+
+  void ResetOutputState() {
+    const int zero_buffer_size = n_cell_ * n_batch_;
+    std::unique_ptr<float[]> zero_buffer(new float[zero_buffer_size]);
+    memset(zero_buffer.get(), 0, zero_buffer_size * sizeof(float));
+    PopulateTensor(output_state_, 0, zero_buffer.get(),
+                   zero_buffer.get() + zero_buffer_size);
+  }
+
+  void ResetCellState() {
+    const int zero_buffer_size = n_cell_ * n_batch_;
+    std::unique_ptr<float[]> zero_buffer(new float[zero_buffer_size]);
+    memset(zero_buffer.get(), 0, zero_buffer_size * sizeof(float));
+    PopulateTensor(cell_state_, 0, zero_buffer.get(),
+                   zero_buffer.get() + zero_buffer_size);
+  }
+
+  void SetInput(int offset, float* begin, float* end) {
+    PopulateTensor(input_, offset, begin, end);
+  }
+
+  std::vector<float> GetOutput() { return ExtractVector<float>(output_); }
+
+  int num_inputs() { return n_input_; }
+  int num_outputs() { return n_output_; }
+  int num_cells() { return n_cell_; }
+  int num_batches() { return n_batch_; }
+
+ private:
+  int input_;
+  int input_to_input_weights_;
+  int input_to_forget_weights_;
+  int input_to_cell_weights_;
+  int input_to_output_weights_;
+
+  int recurrent_to_input_weights_;
+  int recurrent_to_forget_weights_;
+  int recurrent_to_cell_weights_;
+  int recurrent_to_output_weights_;
+
+  int cell_to_input_weights_;
+  int cell_to_forget_weights_;
+  int cell_to_output_weights_;
+
+  int input_gate_bias_;
+  int forget_gate_bias_;
+  int cell_bias_;
+  int output_gate_bias_;
+
+  int projection_weights_;
+  int projection_bias_;
+
+  int output_;
+  int output_state_;
+  int cell_state_;
+  int scratch_buffer_;
+
+  int n_batch_;
+  int n_input_;
+  int n_cell_;
+  int n_output_;
+};
+
+TEST(LSTMOpTest, BlackBoxTestNoCifgNoPeepholeNoProjectionNoClipping) {
+  const int n_batch = 1;
+  const int n_input = 2;
+  // n_cell and n_output have the same size when there is no projection.
+  const int n_cell = 4;
+  const int n_output = 4;
+
+  LSTMOpModel lstm(n_batch, n_input, n_cell, n_output,
+                   /*use_cifg=*/false, /*use_peephole=*/false,
+                   /*use_projection_weights=*/false,
+                   /*use_projection_bias=*/false,
+                   /*cell_clip=*/0.0, /*proj_clip=*/0.0,
+                   {
+                       {n_batch, n_input},  // input tensor
+
+                       {n_cell, n_input},  // input_to_input_weight tensor
+                       {n_cell, n_input},  // input_to_forget_weight tensor
+                       {n_cell, n_input},  // input_to_cell_weight tensor
+                       {n_cell, n_input},  // input_to_output_weight tensor
+
+                       {n_cell, n_output},  // recurrent_to_input_weight tensor
+                       {n_cell, n_output},  // recurrent_to_forget_weight tensor
+                       {n_cell, n_output},  // recurrent_to_cell_weight tensor
+                       {n_cell, n_output},  // recurrent_to_output_weight tensor
+
+                       {0},  // cell_to_input_weight tensor
+                       {0},  // cell_to_forget_weight tensor
+                       {0},  // cell_to_output_weight tensor
+
+                       {n_cell},  // input_gate_bias tensor
+                       {n_cell},  // forget_gate_bias tensor
+                       {n_cell},  // cell_bias tensor
+                       {n_cell},  // output_gate_bias tensor
+
+                       {0, 0},  // projection_weight tensor
+                       {0},     // projection_bias tensor
+                   });
+
+  lstm.SetInputToInputWeights({-0.45018822, -0.02338299, -0.0870589,
+                               -0.34550029, 0.04266912, -0.15680569,
+                               -0.34856534, 0.43890524});
+
+  lstm.SetInputToCellWeights({-0.50013041, 0.1370284, 0.11810488, 0.2013163,
+                              -0.20583314, 0.44344562, 0.22077113,
+                              -0.29909778});
+
+  lstm.SetInputToForgetWeights({0.09701663, 0.20334584, -0.50592935,
+                                -0.31343272, -0.40032279, 0.44781327,
+                                0.01387155, -0.35593212});
+
+  lstm.SetInputToOutputWeights({-0.25065863, -0.28290087, 0.04613829,
+                                0.40525138, 0.44272184, 0.03897077, -0.1556896,
+                                0.19487578});
+
+  lstm.SetInputGateBias({0., 0., 0., 0.});
+
+  lstm.SetCellBias({0., 0., 0., 0.});
+
+  lstm.SetForgetGateBias({1., 1., 1., 1.});
+
+  lstm.SetOutputGateBias({0., 0., 0., 0.});
+
+  lstm.SetRecurrentToInputWeights(
+      {-0.0063535, -0.2042388, 0.31454784, -0.35746509, 0.28902304, 0.08183324,
+       -0.16555229, 0.02286911, -0.13566875, 0.03034258, 0.48091322,
+       -0.12528998, 0.24077177, -0.51332325, -0.33502164, 0.10629296});
+
+  lstm.SetRecurrentToCellWeights(
+      {-0.3407414, 0.24443203, -0.2078532, 0.26320225, 0.05695659, -0.00123841,
+       -0.4744786, -0.35869038, -0.06418842, -0.13502428, -0.501764, 0.22830659,
+       -0.46367589, 0.26016325, -0.03894562, -0.16368064});
+
+  lstm.SetRecurrentToForgetWeights(
+      {-0.48684245, -0.06655136, 0.42224967, 0.2112639, 0.27654213, 0.20864892,
+       -0.07646349, 0.45877004, 0.00141793, -0.14609534, 0.36447752, 0.09196436,
+       0.28053468, 0.01560611, -0.20127171, -0.01140004});
+
+  lstm.SetRecurrentToOutputWeights(
+      {0.43385774, -0.17194885, 0.2718237, 0.09215671, 0.24107647, -0.39835793,
+       0.18212086, 0.01301402, 0.48572797, -0.50656658, 0.20047462, -0.20607421,
+       -0.51818722, -0.15390486, 0.0468148, 0.39922136});
+
+  static float lstm_input[] = {2., 3., 3., 4., 1., 1.};
+  static float lstm_golden_output[] = {-0.02973187, 0.1229473,   0.20885126,
+                                       -0.15358765, -0.03716109, 0.12507336,
+                                       0.41193449,  -0.20860538, -0.15053082,
+                                       0.09120187,  0.24278517,  -0.12222792};
+
+  // Resetting cell_state and output_state
+  lstm.ResetCellState();
+  lstm.ResetOutputState();
+
+  const int input_sequence_size =
+      sizeof(lstm_input) / sizeof(float) / (lstm.num_inputs());
+  for (int i = 0; i < input_sequence_size; i++) {
+    float* batch0_start = lstm_input + i * lstm.num_inputs();
+    float* batch0_end = batch0_start + lstm.num_inputs();
+
+    lstm.SetInput(0, batch0_start, batch0_end);
+
+    lstm.Invoke();
+
+    float* golden_start = lstm_golden_output + i * lstm.num_outputs();
+    float* golden_end = golden_start + lstm.num_outputs();
+    std::vector<float> expected;
+    expected.insert(expected.end(), golden_start, golden_end);
+    EXPECT_THAT(lstm.GetOutput(), ElementsAreArray(ArrayFloatNear(expected)));
+  }
+}
+
+TEST(LSTMOpTest, BlackBoxTestWithCifgWithPeepholeNoProjectionNoClipping) {
+  const int n_batch = 1;
+  const int n_input = 2;
+  // n_cell and n_output have the same size when there is no projection.
+  const int n_cell = 4;
+  const int n_output = 4;
+
+  LSTMOpModel lstm(n_batch, n_input, n_cell, n_output,
+                   /*use_cifg=*/true, /*use_peephole=*/true,
+                   /*use_projection_weights=*/false,
+                   /*use_projection_bias=*/false,
+                   /*cell_clip=*/0.0, /*proj_clip=*/0.0,
+                   {
+                       {n_batch, n_input},  // input tensor
+
+                       {0, 0},             // input_to_input_weight tensor
+                       {n_cell, n_input},  // input_to_forget_weight tensor
+                       {n_cell, n_input},  // input_to_cell_weight tensor
+                       {n_cell, n_input},  // input_to_output_weight tensor
+
+                       {0, 0},              // recurrent_to_input_weight tensor
+                       {n_cell, n_output},  // recurrent_to_forget_weight tensor
+                       {n_cell, n_output},  // recurrent_to_cell_weight tensor
+                       {n_cell, n_output},  // recurrent_to_output_weight tensor
+
+                       {0},       // cell_to_input_weight tensor
+                       {n_cell},  // cell_to_forget_weight tensor
+                       {n_cell},  // cell_to_output_weight tensor
+
+                       {0},       // input_gate_bias tensor
+                       {n_cell},  // forget_gate_bias tensor
+                       {n_cell},  // cell_bias tensor
+                       {n_cell},  // output_gate_bias tensor
+
+                       {0, 0},  // projection_weight tensor
+                       {0},     // projection_bias tensor
+                   });
+
+  lstm.SetInputToCellWeights({-0.49770179, -0.27711356, -0.09624726, 0.05100781,
+                              0.04717243, 0.48944736, -0.38535351,
+                              -0.17212132});
+
+  lstm.SetInputToForgetWeights({-0.55291498, -0.42866567, 0.13056988,
+                                -0.3633365, -0.22755712, 0.28253698, 0.24407166,
+                                0.33826375});
+
+  lstm.SetInputToOutputWeights({0.10725588, -0.02335852, -0.55932593,
+                                -0.09426838, -0.44257352, 0.54939759,
+                                0.01533556, 0.42751634});
+
+  lstm.SetCellBias({0., 0., 0., 0.});
+
+  lstm.SetForgetGateBias({1., 1., 1., 1.});
+
+  lstm.SetOutputGateBias({0., 0., 0., 0.});
+
+  lstm.SetRecurrentToCellWeights(
+      {0.54066205, -0.32668582, -0.43562764, -0.56094903, 0.42957711,
+       0.01841056, -0.32764608, -0.33027974, -0.10826075, 0.20675004,
+       0.19069612, -0.03026325, -0.54532051, 0.33003211, 0.44901288,
+       0.21193194});
+
+  lstm.SetRecurrentToForgetWeights(
+      {-0.13832897, -0.0515101, -0.2359007, -0.16661474, -0.14340827,
+       0.36986142, 0.23414481, 0.55899, 0.10798943, -0.41174671, 0.17751795,
+       -0.34484994, -0.35874045, -0.11352962, 0.27268326, 0.54058349});
+
+  lstm.SetRecurrentToOutputWeights(
+      {0.41613156, 0.42610586, -0.16495961, -0.5663873, 0.30579174, -0.05115908,
+       -0.33941799, 0.23364776, 0.11178309, 0.09481031, -0.26424935, 0.46261835,
+       0.50248802, 0.26114327, -0.43736315, 0.33149987});
+
+  lstm.SetCellToForgetWeights(
+      {0.47485286, -0.51955009, -0.24458408, 0.31544167});
+  lstm.SetCellToOutputWeights(
+      {-0.17135078, 0.82760304, 0.85573703, -0.77109635});
+
+  static float lstm_input[] = {2., 3., 3., 4., 1., 1.};
+  static float lstm_golden_output[] = {-0.36444446, -0.00352185, 0.12886585,
+                                       -0.05163646, -0.42312205, -0.01218222,
+                                       0.24201041,  -0.08124574, -0.358325,
+                                       -0.04621704, 0.21641694,  -0.06471302};
+
+  // Resetting cell_state and output_state
+  lstm.ResetCellState();
+  lstm.ResetOutputState();
+
+  const int input_sequence_size =
+      sizeof(lstm_input) / sizeof(float) / (lstm.num_inputs());
+  for (int i = 0; i < input_sequence_size; i++) {
+    float* batch0_start = lstm_input + i * lstm.num_inputs();
+    float* batch0_end = batch0_start + lstm.num_inputs();
+
+    lstm.SetInput(0, batch0_start, batch0_end);
+
+    lstm.Invoke();
+
+    float* golden_start = lstm_golden_output + i * lstm.num_outputs();
+    float* golden_end = golden_start + lstm.num_outputs();
+    std::vector<float> expected;
+    expected.insert(expected.end(), golden_start, golden_end);
+    EXPECT_THAT(lstm.GetOutput(), ElementsAreArray(ArrayFloatNear(expected)));
+  }
+}
+
+TEST(LSTMOpTest, BlackBoxTestWithPeepholeWithProjectionNoClipping) {
+  const int n_batch = 2;
+  const int n_input = 5;
+  const int n_cell = 20;
+  const int n_output = 16;
+
+  LSTMOpModel lstm(n_batch, n_input, n_cell, n_output,
+                   /*use_cifg=*/false, /*use_peephole=*/true,
+                   /*use_projection_weights=*/true,
+                   /*use_projection_bias=*/false,
+                   /*cell_clip=*/0.0, /*proj_clip=*/0.0,
+                   {
+                       {n_batch, n_input},  // input tensor
+
+                       {n_cell, n_input},  // input_to_input_weight tensor
+                       {n_cell, n_input},  // input_to_forget_weight tensor
+                       {n_cell, n_input},  // input_to_cell_weight tensor
+                       {n_cell, n_input},  // input_to_output_weight tensor
+
+                       {n_cell, n_output},  // recurrent_to_input_weight tensor
+                       {n_cell, n_output},  // recurrent_to_forget_weight tensor
+                       {n_cell, n_output},  // recurrent_to_cell_weight tensor
+                       {n_cell, n_output},  // recurrent_to_output_weight tensor
+
+                       {n_cell},  // cell_to_input_weight tensor
+                       {n_cell},  // cell_to_forget_weight tensor
+                       {n_cell},  // cell_to_output_weight tensor
+
+                       {n_cell},  // input_gate_bias tensor
+                       {n_cell},  // forget_gate_bias tensor
+                       {n_cell},  // cell_bias tensor
+                       {n_cell},  // output_gate_bias tensor
+
+                       {n_output, n_cell},  // projection_weight tensor
+                       {0},                 // projection_bias tensor
+                   });
+
+  lstm.SetInputToInputWeights(
+      {0.021393683,  0.06124551,    0.046905167,  -0.014657677,  -0.03149463,
+       0.09171803,   0.14647801,    0.10797193,   -0.0057968358, 0.0019193048,
+       -0.2726754,   0.10154029,    -0.018539885, 0.080349885,   -0.10262385,
+       -0.022599787, -0.09121155,   -0.008675967, -0.045206103,  -0.0821282,
+       -0.008045952, 0.015478081,   0.055217247,  0.038719587,   0.044153627,
+       -0.06453243,  0.05031825,    -0.046935108, -0.008164439,  0.014574226,
+       -0.1671009,   -0.15519552,   -0.16819797,  -0.13971269,   -0.11953059,
+       0.25005487,   -0.22790983,   0.009855087,  -0.028140958,  -0.11200698,
+       0.11295408,   -0.0035217577, 0.054485075,  0.05184695,    0.064711206,
+       0.10989193,   0.11674786,    0.03490607,   0.07727357,    0.11390585,
+       -0.1863375,   -0.1034451,    -0.13945189,  -0.049401227,  -0.18767063,
+       0.042483903,  0.14233552,    0.13832581,   0.18350165,    0.14545603,
+       -0.028545704, 0.024939531,   0.050929718,  0.0076203286,  -0.0029723682,
+       -0.042484224, -0.11827596,   -0.09171104,  -0.10808628,   -0.16327988,
+       -0.2273378,   -0.0993647,    -0.017155107, 0.0023917493,  0.049272764,
+       0.0038534778, 0.054764505,   0.089753784,  0.06947234,    0.08014476,
+       -0.04544234,  -0.0497073,    -0.07135631,  -0.048929106,  -0.004042012,
+       -0.009284026, 0.018042054,   0.0036860977, -0.07427302,   -0.11434604,
+       -0.018995456, 0.031487543,   0.012834908,  0.019977754,   0.044256654,
+       -0.39292613,  -0.18519334,   -0.11651281,  -0.06809892,   0.011373677});
+
+  lstm.SetInputToForgetWeights(
+      {-0.0018401089, -0.004852237,  0.03698424,   0.014181704,   0.028273236,
+       -0.016726194,  -0.05249759,   -0.10204261,  0.00861066,    -0.040979505,
+       -0.009899187,  0.01923892,    -0.028177269, -0.08535103,   -0.14585495,
+       0.10662567,    -0.01909731,   -0.017883534, -0.0047269356, -0.045103323,
+       0.0030784295,  0.076784775,   0.07463696,   0.094531395,   0.0814421,
+       -0.12257899,   -0.033945758,  -0.031303465, 0.045630626,   0.06843887,
+       -0.13492945,   -0.012480007,  -0.0811829,   -0.07224499,   -0.09628791,
+       0.045100946,   0.0012300825,  0.013964662,  0.099372394,   0.02543059,
+       0.06958324,    0.034257296,   0.0482646,    0.06267997,    0.052625068,
+       0.12784666,    0.07077897,    0.025725935,  0.04165009,    0.07241905,
+       0.018668644,   -0.037377294,  -0.06277783,  -0.08833636,   -0.040120605,
+       -0.011405586,  -0.007808335,  -0.010301386, -0.005102167,  0.027717464,
+       0.05483423,    0.11449111,    0.11289652,   0.10939839,    0.13396506,
+       -0.08402166,   -0.01901462,   -0.044678304, -0.07720565,   0.014350063,
+       -0.11757958,   -0.0652038,    -0.08185733,  -0.076754324,  -0.092614375,
+       0.10405491,    0.052960336,   0.035755895,  0.035839386,   -0.012540553,
+       0.036881298,   0.02913376,    0.03420159,   0.05448447,    -0.054523353,
+       0.02582715,    0.02327355,    -0.011857179, -0.0011980024, -0.034641717,
+       -0.026125094,  -0.17582615,   -0.15923657,  -0.27486774,   -0.0006143371,
+       0.0001771948,  -8.470171e-05, 0.02651807,   0.045790765,   0.06956496});
+
+  lstm.SetInputToCellWeights(
+      {-0.04580283,   -0.09549462,   -0.032418985,  -0.06454633,
+       -0.043528453,  0.043018587,   -0.049152344,  -0.12418144,
+       -0.078985475,  -0.07596889,   0.019484362,   -0.11434962,
+       -0.0074034138, -0.06314844,   -0.092981495,  0.0062155537,
+       -0.025034338,  -0.0028890965, 0.048929527,   0.06235075,
+       0.10665918,    -0.032036792,  -0.08505916,   -0.10843358,
+       -0.13002433,   -0.036816437,  -0.02130134,   -0.016518239,
+       0.0047691227,  -0.0025825808, 0.066017866,   0.029991534,
+       -0.10652836,   -0.1037554,    -0.13056071,   -0.03266643,
+       -0.033702414,  -0.006473424,  -0.04611692,   0.014419339,
+       -0.025174323,  0.0396852,     0.081777506,   0.06157468,
+       0.10210095,    -0.009658194,  0.046511717,   0.03603906,
+       0.0069369148,  0.015960095,   -0.06507666,   0.09551598,
+       0.053568836,   0.06408714,    0.12835667,    -0.008714329,
+       -0.20211966,   -0.12093674,   0.029450472,   0.2849013,
+       -0.029227901,  0.1164364,     -0.08560263,   0.09941786,
+       -0.036999565,  -0.028842626,  -0.0033637602, -0.017012902,
+       -0.09720865,   -0.11193351,   -0.029155117,  -0.017936034,
+       -0.009768936,  -0.04223324,   -0.036159635,  0.06505112,
+       -0.021742892,  -0.023377212,  -0.07221364,   -0.06430552,
+       0.05453865,    0.091149814,   0.06387331,    0.007518393,
+       0.055960953,   0.069779344,   0.046411168,   0.10509911,
+       0.07463894,    0.0075130584,  0.012850982,   0.04555431,
+       0.056955688,   0.06555285,    0.050801456,   -0.009862683,
+       0.00826772,    -0.026555609,  -0.0073611983, -0.0014897042});
+
+  lstm.SetInputToOutputWeights(
+      {-0.0998932,   -0.07201956,  -0.052803773,  -0.15629593,  -0.15001918,
+       -0.07650751,  0.02359855,   -0.075155355,  -0.08037709,  -0.15093534,
+       0.029517552,  -0.04751393,  0.010350531,   -0.02664851,  -0.016839722,
+       -0.023121163, 0.0077019283, 0.012851257,   -0.05040649,  -0.0129761,
+       -0.021737747, -0.038305793, -0.06870586,   -0.01481247,  -0.001285394,
+       0.10124236,   0.083122835,  0.053313006,   -0.062235646, -0.075637154,
+       -0.027833903, 0.029774971,  0.1130802,     0.09218906,   0.09506135,
+       -0.086665764, -0.037162706, -0.038880914,  -0.035832845, -0.014481564,
+       -0.09825003,  -0.12048569,  -0.097665586,  -0.05287633,  -0.0964047,
+       -0.11366429,  0.035777505,  0.13568819,    0.052451383,  0.050649304,
+       0.05798951,   -0.021852335, -0.099848844,  0.014740475,  -0.078897946,
+       0.04974699,   0.014160473,  0.06973932,    0.04964942,   0.033364646,
+       0.08190124,   0.025535367,  0.050893165,   0.048514254,  0.06945813,
+       -0.078907564, -0.06707616,  -0.11844508,   -0.09986688,  -0.07509403,
+       0.06263226,   0.14925587,   0.20188436,    0.12098451,   0.14639415,
+       0.0015017595, -0.014267382, -0.03417257,   0.012711468,  0.0028300495,
+       -0.024758482, -0.05098548,  -0.0821182,    0.014225672,  0.021544158,
+       0.08949725,   0.07505268,   -0.0020780868, 0.04908258,   0.06476295,
+       -0.022907063, 0.027562456,  0.040185735,   0.019567577,  -0.015598739,
+       -0.049097303, -0.017121866, -0.083368234,  -0.02332002,  -0.0840956});
+
+  lstm.SetInputGateBias(
+      {0.02234832,  0.14757581,   0.18176508,  0.10380666,  0.053110216,
+       -0.06928846, -0.13942584,  -0.11816189, 0.19483899,  0.03652339,
+       -0.10250295, 0.036714908,  -0.18426876, 0.036065217, 0.21810818,
+       0.02383196,  -0.043370757, 0.08690144,  -0.04444982, 0.00030581196});
+
+  lstm.SetForgetGateBias({0.035185695, -0.042891346, -0.03032477, 0.23027696,
+                          0.11098921,  0.15378423,   0.09263801,  0.09790885,
+                          0.09508917,  0.061199076,  0.07665568,  -0.015443159,
+                          -0.03499149, 0.046190713,  0.08895977,  0.10899629,
+                          0.40694186,  0.06030037,   0.012413437, -0.06108739});
+
+  lstm.SetCellBias({-0.024379363, 0.0055531194, 0.23377132,   0.033463873,
+                    -0.1483596,   -0.10639995,  -0.091433935, 0.058573797,
+                    -0.06809782,  -0.07889636,  -0.043246906, -0.09829136,
+                    -0.4279842,   0.034901652,  0.18797937,   0.0075234566,
+                    0.016178843,  0.1749513,    0.13975595,   0.92058027});
+
+  lstm.SetOutputGateBias(
+      {0.046159424,  -0.0012809046, 0.03563469,   0.12648113, 0.027195795,
+       0.35373217,   -0.018957434,  0.008907322,  -0.0762701, 0.12018895,
+       0.04216877,   0.0022856654,  0.040952638,  0.3147856,  0.08225149,
+       -0.057416286, -0.14995944,   -0.008040261, 0.13208859, 0.029760877});
+
+  lstm.SetRecurrentToInputWeights(
+      {-0.001374326,   -0.078856036,   0.10672688,    0.029162422,
+       -0.11585556,    0.02557986,     -0.13446963,   -0.035785314,
+       -0.01244275,    0.025961924,    -0.02337298,   -0.044228926,
+       -0.055839065,   -0.046598054,   -0.010546039,  -0.06900766,
+       0.027239809,    0.022582639,    -0.013296484,  -0.05459212,
+       0.08981,        -0.045407712,   0.08682226,    -0.06867011,
+       -0.14390695,    -0.02916037,    0.000996957,   0.091420636,
+       0.14283475,     -0.07390571,    -0.06402044,   0.062524505,
+       -0.093129106,   0.04860203,     -0.08364217,   -0.08119002,
+       0.009352075,    0.22920375,     0.0016303885,  0.11583097,
+       -0.13732095,    0.012405723,    -0.07551853,   0.06343048,
+       0.12162708,     -0.031923793,   -0.014335606,  0.01790974,
+       -0.10650317,    -0.0724401,     0.08554849,    -0.05727212,
+       0.06556731,     -0.042729504,   -0.043227166,  0.011683251,
+       -0.013082158,   -0.029302018,   -0.010899579,  -0.062036745,
+       -0.022509435,   -0.00964907,    -0.01567329,   0.04260106,
+       -0.07787477,    -0.11576462,    0.017356863,   0.048673786,
+       -0.017577527,   -0.05527947,    -0.082487635,  -0.040137455,
+       -0.10820036,    -0.04666372,    0.022746278,   -0.07851417,
+       0.01068115,     0.032956902,    0.022433773,   0.0026891115,
+       0.08944216,     -0.0685835,     0.010513544,   0.07228705,
+       0.02032331,     -0.059686817,   -0.0005566496, -0.086984694,
+       0.040414046,    -0.1380399,     0.094208956,   -0.05722982,
+       0.012092817,    -0.04989123,    -0.086576,     -0.003399834,
+       -0.04696032,    -0.045747425,   0.10091314,    0.048676282,
+       -0.029037097,   0.031399418,    -0.0040285117, 0.047237843,
+       0.09504992,     0.041799378,    -0.049185462,  -0.031518843,
+       -0.10516937,    0.026374253,    0.10058866,    -0.0033195973,
+       -0.041975245,   0.0073591834,   0.0033782164,  -0.004325073,
+       -0.10167381,    0.042500053,    -0.01447153,   0.06464186,
+       -0.017142897,   0.03312627,     0.009205989,   0.024138335,
+       -0.011337001,   0.035530265,    -0.010912711,  0.0706555,
+       -0.005894094,   0.051841937,    -0.1401738,    -0.02351249,
+       0.0365468,      0.07590991,     0.08838724,    0.021681072,
+       -0.10086113,    0.019608743,    -0.06195883,   0.077335775,
+       0.023646897,    -0.095322326,   0.02233014,    0.09756986,
+       -0.048691444,   -0.009579111,   0.07595467,    0.11480546,
+       -0.09801813,    0.019894179,    0.08502348,    0.004032281,
+       0.037211012,    0.068537936,    -0.048005626,  -0.091520436,
+       -0.028379958,   -0.01556313,    0.06554592,    -0.045599163,
+       -0.01672207,    -0.020169014,   -0.011877351,  -0.20212261,
+       0.010889619,    0.0047078193,   0.038385306,   0.08540671,
+       -0.017140968,   -0.0035865551,  0.016678626,   0.005633034,
+       0.015963363,    0.00871737,     0.060130805,   0.028611384,
+       0.10109069,     -0.015060172,   -0.07894427,   0.06401885,
+       0.011584063,    -0.024466386,   0.0047652307,  -0.09041358,
+       0.030737216,    -0.0046374933,  0.14215417,    -0.11823516,
+       0.019899689,    0.006106124,    -0.027092824,  0.0786356,
+       0.05052217,     -0.058925,      -0.011402121,  -0.024987547,
+       -0.0013661642,  -0.06832946,    -0.015667673,  -0.1083353,
+       -0.00096863037, -0.06988685,    -0.053350925,  -0.027275559,
+       -0.033664223,   -0.07978348,    -0.025200296,  -0.017207067,
+       -0.058403496,   -0.055697463,   0.005798788,   0.12965427,
+       -0.062582195,   0.0013350133,   -0.10482091,   0.0379771,
+       0.072521195,    -0.0029455067,  -0.13797039,   -0.03628521,
+       0.013806405,    -0.017858358,   -0.01008298,   -0.07700066,
+       -0.017081132,   0.019358726,    0.0027079724,  0.004635139,
+       0.062634714,    -0.02338735,    -0.039547626,  -0.02050681,
+       0.03385117,     -0.083611414,   0.002862572,   -0.09421313,
+       0.058618143,    -0.08598433,    0.00972939,    0.023867095,
+       -0.053934585,   -0.023203006,   0.07452513,    -0.048767887,
+       -0.07314807,    -0.056307215,   -0.10433547,   -0.06440842,
+       0.04328182,     0.04389765,     -0.020006588,  -0.09076438,
+       -0.11652589,    -0.021705797,   0.03345259,    -0.010329105,
+       -0.025767034,   0.013057034,    -0.07316461,   -0.10145612,
+       0.06358255,     0.18531723,     0.07759293,    0.12006465,
+       0.1305557,      0.058638252,    -0.03393652,   0.09622831,
+       -0.16253184,    -2.4580743e-06, 0.079869635,   -0.070196845,
+       -0.005644518,   0.06857898,     -0.12598175,   -0.035084512,
+       0.03156317,     -0.12794146,    -0.031963028,  0.04692781,
+       0.030070418,    0.0071660685,   -0.095516115,  -0.004643372,
+       0.040170413,    -0.062104587,   -0.0037324072, 0.0554317,
+       0.08184801,     -0.019164372,   0.06791302,    0.034257166,
+       -0.10307039,    0.021943003,    0.046745934,   0.0790918,
+       -0.0265588,     -0.007824208,   0.042546265,   -0.00977924,
+       -0.0002440307,  -0.017384544,   -0.017990116,  0.12252321,
+       -0.014512694,   -0.08251313,    0.08861942,    0.13589665,
+       0.026351685,    0.012641483,    0.07466548,    0.044301085,
+       -0.045414884,   -0.051112458,   0.03444247,    -0.08502782,
+       -0.04106223,    -0.028126027,   0.028473156,   0.10467447});
+
+  lstm.SetRecurrentToForgetWeights(
+      {-0.057784554,  -0.026057621,  -0.068447545,   -0.022581743,
+       0.14811787,    0.10826372,    0.09471067,     0.03987225,
+       -0.0039523416, 0.00030638507, 0.053185795,    0.10572994,
+       0.08414449,    -0.022036452,  -0.00066928595, -0.09203576,
+       0.032950465,   -0.10985798,   -0.023809856,   0.0021431844,
+       -0.02196096,   -0.00326074,   0.00058621005,  -0.074678116,
+       -0.06193199,   0.055729095,   0.03736828,     0.020123724,
+       0.061878487,   -0.04729229,   0.034919553,    -0.07585433,
+       -0.04421272,   -0.044019096,  0.085488975,    0.04058006,
+       -0.06890133,   -0.030951202,  -0.024628663,   -0.07672815,
+       0.034293607,   0.08556707,    -0.05293577,    -0.033561368,
+       -0.04899627,   0.0241671,     0.015736353,    -0.095442444,
+       -0.029564252,  0.016493602,   -0.035026584,   0.022337519,
+       -0.026871363,  0.004780428,   0.0077918363,   -0.03601621,
+       0.016435321,   -0.03263031,   -0.09543275,    -0.047392778,
+       0.013454138,   0.028934088,   0.01685226,     -0.086110644,
+       -0.046250615,  -0.01847454,   0.047608484,    0.07339695,
+       0.034546845,   -0.04881143,   0.009128804,    -0.08802852,
+       0.03761666,    0.008096139,   -0.014454086,   0.014361001,
+       -0.023502491,  -0.0011840804, -0.07607001,    0.001856849,
+       -0.06509276,   -0.006021153,  -0.08570962,    -0.1451793,
+       0.060212336,   0.055259194,   0.06974018,     0.049454916,
+       -0.027794661,  -0.08077226,   -0.016179763,   0.1169753,
+       0.17213494,    -0.0056326236, -0.053934924,   -0.0124349,
+       -0.11520337,   0.05409887,    0.088759385,    0.0019655675,
+       0.0042065294,  0.03881498,    0.019844765,    0.041858196,
+       -0.05695512,   0.047233116,   0.038937137,    -0.06542224,
+       0.014429736,   -0.09719407,   0.13908425,     -0.05379757,
+       0.012321099,   0.082840554,   -0.029899208,   0.044217527,
+       0.059855383,   0.07711018,    -0.045319796,   0.0948846,
+       -0.011724666,  -0.0033288454, -0.033542685,   -0.04764985,
+       -0.13873616,   0.040668588,   0.034832682,    -0.015319203,
+       -0.018715994,  0.046002675,   0.0599172,      -0.043107376,
+       0.0294216,     -0.002314414,  -0.022424703,   0.0030315618,
+       0.0014641669,  0.0029166266,  -0.11878115,    0.013738511,
+       0.12375372,    -0.0006038222, 0.029104086,    0.087442465,
+       0.052958444,   0.07558703,    0.04817258,     0.044462286,
+       -0.015213451,  -0.08783778,   -0.0561384,     -0.003008196,
+       0.047060397,   -0.002058388,  0.03429439,     -0.018839769,
+       0.024734668,   0.024614193,   -0.042046934,   0.09597743,
+       -0.0043254104, 0.04320769,    0.0064070094,   -0.0019131786,
+       -0.02558259,   -0.022822596,  -0.023273505,   -0.02464396,
+       -0.10991725,   -0.006240552,  0.0074488563,   0.024044557,
+       0.04383914,    -0.046476185,  0.028658995,    0.060410924,
+       0.050786525,   0.009452605,   -0.0073054377,  -0.024810238,
+       0.0052906186,  0.0066939713,  -0.0020913032,  0.014515517,
+       0.015898481,   0.021362653,   -0.030262267,   0.016587038,
+       -0.011442813,  0.041154444,   -0.007631438,   -0.03423484,
+       -0.010977775,  0.036152758,   0.0066366293,   0.11915515,
+       0.02318443,    -0.041350313,  0.021485701,    -0.10906167,
+       -0.028218046,  -0.00954771,   0.020531068,    -0.11995105,
+       -0.03672871,   0.024019798,   0.014255957,    -0.05221243,
+       -0.00661567,   -0.04630967,   0.033188973,    0.10107534,
+       -0.014027541,  0.030796422,   -0.10270911,    -0.035999842,
+       0.15443139,    0.07684145,    0.036571592,    -0.035900835,
+       -0.0034699554, 0.06209149,    0.015920248,    -0.031122351,
+       -0.03858649,   0.01849943,    0.13872518,     0.01503974,
+       0.069941424,   -0.06948533,   -0.0088794185,  0.061282158,
+       -0.047401894,  0.03100163,    -0.041533746,   -0.10430945,
+       0.044574402,   -0.01425562,   -0.024290353,   0.034563623,
+       0.05866852,    0.023947537,   -0.09445152,    0.035450947,
+       0.02247216,    -0.0042998926, 0.061146557,    -0.10250651,
+       0.020881841,   -0.06747029,   0.10062043,     -0.0023941975,
+       0.03532124,    -0.016341697,  0.09685456,     -0.016764693,
+       0.051808182,   0.05875331,    -0.04536488,    0.001626336,
+       -0.028892258,  -0.01048663,   -0.009793449,   -0.017093895,
+       0.010987891,   0.02357273,    -0.00010856845, 0.0099760275,
+       -0.001845119,  -0.03551521,   0.0018358806,   0.05763657,
+       -0.01769146,   0.040995963,   0.02235177,     -0.060430344,
+       0.11475477,    -0.023854522,  0.10071741,     0.0686208,
+       -0.014250481,  0.034261297,   0.047418304,    0.08562733,
+       -0.030519066,  0.0060542435,  0.014653856,    -0.038836084,
+       0.04096551,    0.032249358,   -0.08355519,    -0.026823482,
+       0.056386515,   -0.010401743,  -0.028396193,   0.08507674,
+       0.014410365,   0.020995233,   0.17040324,     0.11511526,
+       0.02459721,    0.0066619175,  0.025853224,    -0.023133837,
+       -0.081302024,  0.017264642,   -0.009585969,   0.09491168,
+       -0.051313367,  0.054532815,   -0.014298593,   0.10657464,
+       0.007076659,   0.10964551,    0.0409152,      0.008275321,
+       -0.07283536,   0.07937492,    0.04192024,     -0.1075027});
+
+  lstm.SetRecurrentToCellWeights(
+      {-0.037322544,   0.018592842,   0.0056175636,  -0.06253426,
+       0.055647098,    -0.05713207,   -0.05626563,   0.005559383,
+       0.03375411,     -0.025757805,  -0.088049285,  0.06017052,
+       -0.06570978,    0.007384076,   0.035123326,   -0.07920549,
+       0.053676967,    0.044480428,   -0.07663568,   0.0071805613,
+       0.08089997,     0.05143358,    0.038261272,   0.03339287,
+       -0.027673481,   0.044746667,   0.028349208,   0.020090483,
+       -0.019443132,   -0.030755889,  -0.0040000007, 0.04465846,
+       -0.021585021,   0.0031670958,  0.0053199246,  -0.056117613,
+       -0.10893326,    0.076739706,   -0.08509834,   -0.027997585,
+       0.037871376,    0.01449768,    -0.09002357,   -0.06111149,
+       -0.046195522,   0.0422062,     -0.005683705,  -0.1253618,
+       -0.012925729,   -0.04890792,   0.06985068,    0.037654128,
+       0.03398274,     -0.004781977,  0.007032333,   -0.031787455,
+       0.010868644,    -0.031489216,  0.09525667,    0.013939797,
+       0.0058680447,   0.0167067,     0.02668468,    -0.04797466,
+       -0.048885044,   -0.12722108,   0.035304096,   0.06554885,
+       0.00972396,     -0.039238118,  -0.05159735,   -0.11329045,
+       0.1613692,      -0.03750952,   0.06529313,    -0.071974665,
+       -0.11769596,    0.015524369,   -0.0013754242, -0.12446318,
+       0.02786344,     -0.014179351,  0.005264273,   0.14376344,
+       0.015983658,    0.03406988,    -0.06939408,   0.040699873,
+       0.02111075,     0.09669095,    0.041345075,   -0.08316494,
+       -0.07684199,    -0.045768797,  0.032298047,   -0.041805092,
+       0.0119405,      0.0061010392,  0.12652606,    0.0064572375,
+       -0.024950314,   0.11574242,    0.04508852,    -0.04335324,
+       0.06760663,     -0.027437469,  0.07216407,    0.06977076,
+       -0.05438599,    0.034033038,   -0.028602652,  0.05346137,
+       0.043184172,    -0.037189785,  0.10420091,    0.00882477,
+       -0.054019816,   -0.074273005,  -0.030617684,  -0.0028467078,
+       0.024302477,    -0.0038869337, 0.005332455,   0.0013399826,
+       0.04361412,     -0.007001822,  0.09631092,    -0.06702025,
+       -0.042049985,   -0.035070654,  -0.04103342,   -0.10273396,
+       0.0544271,      0.037184782,   -0.13150354,   -0.0058036847,
+       -0.008264958,   0.042035464,   0.05891794,    0.029673764,
+       0.0063542654,   0.044788733,   0.054816857,   0.062257513,
+       -0.00093483756, 0.048938446,   -0.004952862,  -0.007730018,
+       -0.04043371,    -0.017094059,  0.07229206,    -0.023670016,
+       -0.052195564,   -0.025616996,  -0.01520939,   0.045104615,
+       -0.007376126,   0.003533447,   0.006570588,   0.056037236,
+       0.12436656,     0.051817212,   0.028532185,   -0.08686856,
+       0.11868599,     0.07663395,    -0.07323171,   0.03463402,
+       -0.050708205,   -0.04458982,   -0.11590894,   0.021273347,
+       0.1251325,      -0.15313013,   -0.12224372,   0.17228661,
+       0.023029093,    0.086124025,   0.006445803,   -0.03496501,
+       0.028332196,    0.04449512,    -0.042436164,  -0.026587414,
+       -0.006041347,   -0.09292539,   -0.05678812,   0.03897832,
+       0.09465633,     0.008115513,   -0.02171956,   0.08304309,
+       0.071401566,    0.019622514,   0.032163795,   -0.004167056,
+       0.02295182,     0.030739572,   0.056506045,   0.004612461,
+       0.06524936,     0.059999723,   0.046395954,   -0.0045512207,
+       -0.1335546,     -0.030136576,  0.11584653,    -0.014678886,
+       0.0020118146,   -0.09688814,   -0.0790206,    0.039770417,
+       -0.0329582,     0.07922767,    0.029322514,   0.026405897,
+       0.04207835,     -0.07073373,   0.063781224,   0.0859677,
+       -0.10925287,    -0.07011058,   0.048005477,   0.03438226,
+       -0.09606514,    -0.006669445,  -0.043381985,  0.04240257,
+       -0.06955775,    -0.06769346,   0.043903265,   -0.026784198,
+       -0.017840602,   0.024307009,   -0.040079936,  -0.019946516,
+       0.045318738,    -0.12233574,   0.026170589,   0.0074471775,
+       0.15978073,     0.10185836,    0.10298046,    -0.015476589,
+       -0.039390966,   -0.072174534,  0.0739445,     -0.1211869,
+       -0.0347889,     -0.07943156,   0.014809798,   -0.12412325,
+       -0.0030663363,  0.039695457,   0.0647603,     -0.08291318,
+       -0.018529687,   -0.004423833,  0.0037507233,  0.084633216,
+       -0.01514876,    -0.056505352,  -0.012800942,  -0.06994386,
+       0.012962922,    -0.031234352,  0.07029052,    0.016418684,
+       0.03618972,     0.055686004,   -0.08663945,   -0.017404709,
+       -0.054761406,   0.029065743,   0.052404847,   0.020238016,
+       0.0048197987,   -0.0214882,    0.07078733,    0.013016777,
+       0.06262858,     0.009184685,   0.020785125,   -0.043904778,
+       -0.0270329,     -0.03299152,   -0.060088247,  -0.015162964,
+       -0.001828936,   0.12642565,    -0.056757294,  0.013586685,
+       0.09232601,     -0.035886683,  0.06000002,    0.05229691,
+       -0.052580316,   -0.082029596,  -0.010794592,  0.012947712,
+       -0.036429964,   -0.085508935,  -0.13127148,   -0.017744139,
+       0.031502828,    0.036232427,   -0.031581745,  0.023051167,
+       -0.05325106,    -0.03421577,   0.028793324,   -0.034633752,
+       -0.009881397,   -0.043551125,  -0.018609839,  0.0019097115,
+       -0.008799762,   0.056595087,   0.0022273948,  0.055752404});
+
+  lstm.SetRecurrentToOutputWeights({
+      0.025825322,   -0.05813119,  0.09495884,   -0.045984812,   -0.01255415,
+      -0.0026479573, -0.08196161,  -0.054914974, -0.0046604523,  -0.029587349,
+      -0.044576716,  -0.07480124,  -0.082868785, 0.023254942,    0.027502948,
+      -0.0039728214, -0.08683098,  -0.08116779,  -0.014675607,   -0.037924774,
+      -0.023314456,  -0.007401714, -0.09255757,  0.029460307,    -0.08829125,
+      -0.005139627,  -0.08989442,  -0.0555066,   0.13596267,     -0.025062224,
+      -0.048351806,  -0.03850004,  0.07266485,   -0.022414139,   0.05940088,
+      0.075114764,   0.09597592,   -0.010211725, -0.0049794707,  -0.011523867,
+      -0.025980417,  0.072999895,  0.11091378,   -0.081685916,   0.014416728,
+      0.043229222,   0.034178585,  -0.07530371,  0.035837382,    -0.085607,
+      -0.007721233,  -0.03287832,  -0.043848954, -0.06404588,    -0.06632928,
+      -0.073643476,  0.008214239,  -0.045984086, 0.039764922,    0.03474462,
+      0.060612556,   -0.080590084, 0.049127717,  0.04151091,     -0.030063879,
+      0.008801774,   -0.023021035, -0.019558564, 0.05158114,     -0.010947698,
+      -0.011825728,  0.0075720972, 0.0699727,    -0.0039981045,  0.069350146,
+      0.08799282,    0.016156472,  0.035502106,  0.11695009,     0.006217345,
+      0.13392477,    -0.037875112, 0.025745004,  0.08940699,     -0.00924166,
+      0.0046702605,  -0.036598757, -0.08811812,  0.10522024,     -0.032441203,
+      0.008176899,   -0.04454919,  0.07058152,   0.0067963637,   0.039206743,
+      0.03259838,    0.03725492,   -0.09515802,  0.013326398,    -0.052055415,
+      -0.025676316,  0.03198509,   -0.015951829, -0.058556724,   0.036879618,
+      0.043357447,   0.028362012,  -0.05908629,  0.0059240665,   -0.04995891,
+      -0.019187413,  0.0276265,    -0.01628143,  0.0025863599,   0.08800015,
+      0.035250366,   -0.022165963, -0.07328642,  -0.009415526,   -0.07455109,
+      0.11690406,    0.0363299,    0.07411125,   0.042103454,    -0.009660886,
+      0.019076364,   0.018299393,  -0.046004917, 0.08891175,     0.0431396,
+      -0.026327137,  -0.051502608, 0.08979574,   -0.051670972,   0.04940282,
+      -0.07491107,   -0.021240504, 0.022596184,  -0.034280192,   0.060163025,
+      -0.058211457,  -0.051837247, -0.01349775,  -0.04639988,    -0.035936575,
+      -0.011681591,  0.064818054,  0.0073146066, -0.021745546,   -0.043124277,
+      -0.06471268,   -0.07053354,  -0.029321948, -0.05330136,    0.016933719,
+      -0.053782392,  0.13747959,   -0.1361751,   -0.11569455,    0.0033329215,
+      0.05693899,    -0.053219706, 0.063698,     0.07977434,     -0.07924483,
+      0.06936997,    0.0034815092, -0.007305279, -0.037325785,   -0.07251102,
+      -0.033633437,  -0.08677009,  0.091591336,  -0.14165086,    0.021752775,
+      0.019683983,   0.0011612234, -0.058154266, 0.049996935,    0.0288841,
+      -0.0024567875, -0.14345716,  0.010955264,  -0.10234828,    0.1183656,
+      -0.0010731248, -0.023590032, -0.072285876, -0.0724771,     -0.026382286,
+      -0.0014920527, 0.042667855,  0.0018776858, 0.02986552,     0.009814309,
+      0.0733756,     0.12289186,   0.018043943,  -0.0458958,     0.049412545,
+      0.033632483,   0.05495232,   0.036686596,  -0.013781798,   -0.010036754,
+      0.02576849,    -0.08307328,  0.010112348,  0.042521734,    -0.05869831,
+      -0.071689695,  0.03876447,   -0.13275425,  -0.0352966,     -0.023077697,
+      0.10285965,    0.084736146,  0.15568255,   -0.00040734606, 0.027835453,
+      -0.10292561,   -0.032401145, 0.10053256,   -0.026142767,   -0.08271222,
+      -0.0030240538, -0.016368777, 0.1070414,    0.042672627,    0.013456989,
+      -0.0437609,    -0.022309763, 0.11576483,   0.04108048,     0.061026827,
+      -0.0190714,    -0.0869359,   0.037901703,  0.0610107,      0.07202949,
+      0.01675338,    0.086139716,  -0.08795751,  -0.014898893,   -0.023771819,
+      -0.01965048,   0.007955471,  -0.043740474, 0.03346837,     -0.10549954,
+      0.090567775,   0.042013682,  -0.03176985,  0.12569028,     -0.02421228,
+      -0.029526481,  0.023851605,  0.031539805,  0.05292009,     -0.02344001,
+      -0.07811758,   -0.08834428,  0.10094801,   0.16594367,     -0.06861939,
+      -0.021256343,  -0.041093912, -0.06669611,  0.035498552,    0.021757556,
+      -0.09302526,   -0.015403468, -0.06614931,  -0.051798206,   -0.013874718,
+      0.03630673,    0.010412845,  -0.08077351,  0.046185967,    0.0035662893,
+      0.03541868,    -0.094149634, -0.034814864, 0.003128424,    -0.020674974,
+      -0.03944324,   -0.008110165, -0.11113267,  0.08484226,     0.043586485,
+      0.040582247,   0.0968012,    -0.065249965, -0.028036479,   0.0050708856,
+      0.0017462453,  0.0326779,    0.041296225,  0.09164146,     -0.047743853,
+      -0.015952192,  -0.034451712, 0.084197424,  -0.05347844,    -0.11768019,
+      0.085926116,   -0.08251791,  -0.045081906, 0.0948852,      0.068401024,
+      0.024856757,   0.06978981,   -0.057309967, -0.012775832,   -0.0032452994,
+      0.01977615,    -0.041040014, -0.024264973, 0.063464895,    0.05431621,
+  });
+
+  lstm.SetCellToInputWeights(
+      {0.040369894, 0.030746894,  0.24704495,  0.018586371,  -0.037586458,
+       -0.15312155, -0.11812848,  -0.11465643, 0.20259799,   0.11418174,
+       -0.10116027, -0.011334949, 0.12411352,  -0.076769054, -0.052169047,
+       0.21198851,  -0.38871562,  -0.09061183, -0.09683246,  -0.21929175});
+
+  lstm.SetCellToForgetWeights(
+      {-0.01998659,  -0.15568835,  -0.24248174,   -0.012770197, 0.041331276,
+       -0.072311886, -0.052123554, -0.0066330447, -0.043891653, 0.036225766,
+       -0.047248036, 0.021479502,  0.033189066,   0.11952997,   -0.020432774,
+       0.64658105,   -0.06650122,  -0.03467612,   0.095340036,  0.23647355});
+
+  lstm.SetCellToOutputWeights(
+      {0.08286371,  -0.08261836, -0.51210177, 0.002913762, 0.17764764,
+       -0.5495371,  -0.08460716, -0.24552552, 0.030037103, 0.04123544,
+       -0.11940523, 0.007358328, 0.1890978,   0.4833202,   -0.34441817,
+       0.36312827,  -0.26375428, 0.1457655,   -0.19724406, 0.15548733});
+
+  lstm.SetProjectionWeights(
+      {-0.009802181,  0.09401916,    0.0717386,     -0.13895074,  0.09641832,
+       0.060420845,   0.08539281,    0.054285463,   0.061395317,  0.034448683,
+       -0.042991187,  0.019801661,   -0.16840284,   -0.015726732, -0.23041931,
+       -0.024478018,  -0.10959692,   -0.013875541,  0.18600968,   -0.061274476,
+       0.0138165,     -0.08160894,   -0.07661644,   0.032372914,  0.16169067,
+       0.22465782,    -0.03993472,   -0.004017731,  0.08633481,   -0.28869787,
+       0.08682067,    0.17240396,    0.014975425,   0.056431185,  0.031037588,
+       0.16702051,    0.0077946745,  0.15140012,    0.29405436,   0.120285,
+       -0.188994,     -0.027265169,  0.043389652,   -0.022061434, 0.014777949,
+       -0.20203483,   0.094781205,   0.19100232,    0.13987629,   -0.036132768,
+       -0.06426278,   -0.05108664,   0.13221376,    0.009441198,  -0.16715929,
+       0.15859416,    -0.040437475,  0.050779544,   -0.022187516, 0.012166504,
+       0.027685808,   -0.07675938,   -0.0055694645, -0.09444123,  0.0046453946,
+       0.050794356,   0.10770313,    -0.20790008,   -0.07149004,  -0.11425117,
+       0.008225835,   -0.035802525,  0.14374903,    0.15262283,   0.048710253,
+       0.1847461,     -0.007487823,  0.11000021,    -0.09542012,  0.22619456,
+       -0.029149994,  0.08527916,    0.009043713,   0.0042746216, 0.016261552,
+       0.022461696,   0.12689082,    -0.043589946,  -0.12035478,  -0.08361797,
+       -0.050666027,  -0.1248618,    -0.1275799,    -0.071875185, 0.07377272,
+       0.09944291,    -0.18897448,   -0.1593054,    -0.06526116,  -0.040107165,
+       -0.004618631,  -0.067624845,  -0.007576253,  0.10727444,   0.041546922,
+       -0.20424393,   0.06907816,    0.050412357,   0.00724631,   0.039827548,
+       0.12449835,    0.10747581,    0.13708383,    0.09134148,   -0.12617786,
+       -0.06428341,   0.09956831,    0.1208086,     -0.14676677,  -0.0727722,
+       0.1126304,     0.010139365,   0.015571211,   -0.038128063, 0.022913318,
+       -0.042050496,  0.16842307,    -0.060597885,  0.10531834,   -0.06411776,
+       -0.07451711,   -0.03410368,   -0.13393489,   0.06534304,   0.003620307,
+       0.04490757,    0.05970546,    0.05197996,    0.02839995,   0.10434969,
+       -0.013699693,  -0.028353551,  -0.07260381,   0.047201227,  -0.024575593,
+       -0.036445823,  0.07155557,    0.009672501,   -0.02328883,  0.009533515,
+       -0.03606021,   -0.07421458,   -0.028082801,  -0.2678904,   -0.13221288,
+       0.18419984,    -0.13012612,   -0.014588381,  -0.035059117, -0.04824723,
+       0.07830115,    -0.056184657,  0.03277091,    0.025466874,  0.14494097,
+       -0.12522776,   -0.098633975,  -0.10766018,   -0.08317623,  0.08594209,
+       0.07749552,    0.039474737,   0.1776665,     -0.07409566,  -0.0477268,
+       0.29323658,    0.10801441,    0.1154011,     0.013952499,  0.10739139,
+       0.10708251,    -0.051456142,  0.0074137426,  -0.10430189,  0.10034707,
+       0.045594677,   0.0635285,     -0.0715442,    -0.089667566, -0.10811871,
+       0.00026344223, 0.08298446,    -0.009525053,  0.006585689,  -0.24567553,
+       -0.09450807,   0.09648481,    0.026996298,   -0.06419476,  -0.04752702,
+       -0.11063944,   -0.23441927,   -0.17608605,   -0.052156363, 0.067035615,
+       0.19271925,    -0.0032889997, -0.043264326,  0.09663576,   -0.057112187,
+       -0.10100678,   0.0628376,     0.04447668,    0.017961001,  -0.10094388,
+       -0.10190601,   0.18335468,    0.10494553,    -0.052095775, -0.0026118709,
+       0.10539724,    -0.04383912,   -0.042349473,  0.08438151,   -0.1947263,
+       0.02251204,    0.11216432,    -0.10307853,   0.17351969,   -0.039091777,
+       0.08066188,    -0.00561982,   0.12633002,    0.11335965,   -0.0088127935,
+       -0.019777594,  0.06864014,    -0.059751723,  0.016233567,  -0.06894641,
+       -0.28651384,   -0.004228674,  0.019708522,   -0.16305895,  -0.07468996,
+       -0.0855457,    0.099339016,   -0.07580735,   -0.13775392,  0.08434318,
+       0.08330512,    -0.12131499,   0.031935584,   0.09180414,   -0.08876437,
+       -0.08049874,   0.008753825,   0.03498998,    0.030215185,  0.03907079,
+       0.089751154,   0.029194152,   -0.03337423,   -0.019092513, 0.04331237,
+       0.04299654,    -0.036394123,  -0.12915532,   0.09793732,   0.07512415,
+       -0.11319543,   -0.032502122,  0.15661901,    0.07671967,   -0.005491124,
+       -0.19379048,   -0.218606,     0.21448623,    0.017840758,  0.1416943,
+       -0.07051762,   0.19488361,    0.02664691,    -0.18104725,  -0.09334311,
+       0.15026465,    -0.15493552,   -0.057762887,  -0.11604192,  -0.262013,
+       -0.01391798,   0.012185008,   0.11156489,    -0.07483202,  0.06693364,
+       -0.26151478,   0.046425626,   0.036540434,   -0.16435726,  0.17338543,
+       -0.21401681,   -0.11385144,   -0.08283257,   -0.069031075, 0.030635102,
+       0.010969227,   0.11109743,    0.010919218,   0.027526086,  0.13519906,
+       0.01891392,    -0.046839405,  -0.040167913,  0.017953383,  -0.09700955,
+       0.0061885654,  -0.07000971,   0.026893595,   -0.038844477, 0.14543656});
+
+  static float lstm_input[][20] = {
+      {// Batch0: 4 (input_sequence_size) * 5 (n_input)
+       0.787926, 0.151646, 0.071352, 0.118426, 0.458058, 0.596268, 0.998386,
+       0.568695, 0.864524, 0.571277, 0.073204, 0.296072, 0.743333, 0.069199,
+       0.045348, 0.867394, 0.291279, 0.013714, 0.482521, 0.626339},
+
+      {// Batch1: 4 (input_sequence_size) * 5 (n_input)
+       0.295743, 0.544053, 0.690064, 0.858138, 0.497181, 0.642421, 0.524260,
+       0.134799, 0.003639, 0.162482, 0.640394, 0.930399, 0.050782, 0.432485,
+       0.988078, 0.082922, 0.563329, 0.865614, 0.333232, 0.259916}};
+
+  static float lstm_golden_output[][64] = {
+      {// Batch0: 4 (input_sequence_size) * 16 (n_output)
+       -0.00396806, 0.029352,     -0.00279226, 0.0159977,   -0.00835576,
+       -0.0211779,  0.0283512,    -0.0114597,  0.00907307,  -0.0244004,
+       -0.0152191,  -0.0259063,   0.00914318,  0.00415118,  0.017147,
+       0.0134203,   -0.0166936,   0.0381209,   0.000889694, 0.0143363,
+       -0.0328911,  -0.0234288,   0.0333051,   -0.012229,   0.0110322,
+       -0.0457725,  -0.000832209, -0.0202817,  0.0327257,   0.0121308,
+       0.0155969,   0.0312091,    -0.0213783,  0.0350169,   0.000324794,
+       0.0276012,   -0.0263374,   -0.0371449,  0.0446149,   -0.0205474,
+       0.0103729,   -0.0576349,   -0.0150052,  -0.0292043,  0.0376827,
+       0.0136115,   0.0243435,    0.0354492,   -0.0189322,  0.0464512,
+       -0.00251373, 0.0225745,    -0.0308346,  -0.0317124,  0.0460407,
+       -0.0189395,  0.0149363,    -0.0530162,  -0.0150767,  -0.0340193,
+       0.0286833,   0.00824207,   0.0264887,   0.0305169},
+      {// Batch1: 4 (input_sequence_size) * 16 (n_output)
+       -0.013869,    0.0287268,   -0.00334693, 0.00733398,  -0.0287926,
+       -0.0186926,   0.0193662,   -0.0115437,  0.00422612,  -0.0345232,
+       0.00223253,   -0.00957321, 0.0210624,   0.013331,    0.0150954,
+       0.02168,      -0.0141913,  0.0322082,   0.00227024,  0.0260507,
+       -0.0188721,   -0.0296489,  0.0399134,   -0.0160509,  0.0116039,
+       -0.0447318,   -0.0150515,  -0.0277406,  0.0316596,   0.0118233,
+       0.0214762,    0.0293641,   -0.0204549,  0.0450315,   -0.00117378,
+       0.0167673,    -0.0375007,  -0.0238314,  0.038784,    -0.0174034,
+       0.0131743,    -0.0506589,  -0.0048447,  -0.0240239,  0.0325789,
+       0.00790065,   0.0220157,   0.0333314,   -0.0264787,  0.0387855,
+       -0.000764675, 0.0217599,   -0.037537,   -0.0335206,  0.0431679,
+       -0.0211424,   0.010203,    -0.062785,   -0.00832363, -0.025181,
+       0.0412031,    0.0118723,   0.0239643,   0.0394009}};
+
+  // Resetting cell_state and output_state
+  lstm.ResetCellState();
+  lstm.ResetOutputState();
+
+  const int input_sequence_size =
+      sizeof(lstm_input[0]) / sizeof(float) / (lstm.num_inputs());
+  for (int i = 0; i < input_sequence_size; i++) {
+    float* batch0_start = lstm_input[0] + i * lstm.num_inputs();
+    float* batch0_end = batch0_start + lstm.num_inputs();
+
+    lstm.SetInput(0, batch0_start, batch0_end);
+
+    float* batch1_start = lstm_input[1] + i * lstm.num_inputs();
+    float* batch1_end = batch1_start + lstm.num_inputs();
+    lstm.SetInput(lstm.num_inputs(), batch1_start, batch1_end);
+
+    lstm.Invoke();
+
+    float* golden_start_batch0 = lstm_golden_output[0] + i * lstm.num_outputs();
+    float* golden_end_batch0 = golden_start_batch0 + lstm.num_outputs();
+    float* golden_start_batch1 = lstm_golden_output[1] + i * lstm.num_outputs();
+    float* golden_end_batch1 = golden_start_batch1 + lstm.num_outputs();
+    std::vector<float> expected;
+    expected.insert(expected.end(), golden_start_batch0, golden_end_batch0);
+    expected.insert(expected.end(), golden_start_batch1, golden_end_batch1);
+    EXPECT_THAT(lstm.GetOutput(), ElementsAreArray(ArrayFloatNear(expected)));
+  }
+}
+
+}  // namespace
+}  // namespace tflite
+
+int main(int argc, char** argv) {
+  // On Linux, add: tflite::LogToStderr();
+  tflite::LogToStderr();
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}