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#pragma once
#include <cstdint>
namespace caffe2 {
namespace detail {
// Forward declration of the LSTMUnit templated
// implementation
template <typename T>
void LstmUnitCpu(
const int N,
const int D,
const int t,
const T* H_prev,
const T* C_prev,
const T* X,
const int32_t* seqLengths,
const bool drop_states,
T* C,
T* H,
const float forget_bias);
// Forward specialization
extern template void LstmUnitCpu<float>(
const int N,
const int D,
const int t,
const float* H_prev,
const float* C_prev,
const float* X,
const int32_t* seqLengths,
const bool drop_states,
float* C,
float* H,
const float forget_bias);
template <typename T>
void LstmUnitGradientCpu(
int N,
int D,
int t,
const T* C_prev,
const T* X,
const int32_t* seqLengths,
const T* C,
const T* H,
const T* C_diff,
const T* H_diff,
bool drop_states,
T* H_prev_diff,
T* C_prev_diff,
T* X_diff,
const float forget_bias);
extern template void LstmUnitGradientCpu<float>(
int N,
int D,
int t,
const float* C_prev,
const float* X,
const int32_t* seqLengths,
const float* C,
const float* H,
const float* C_diff,
const float* H_diff,
bool drop_states,
float* H_prev_diff,
float* C_prev_diff,
float* X_diff,
const float forget_bias);
} // namespace detail
} // namespace caffe2
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