message: Changed gen_lut params from std::function to function pointer
diff: @@ -241,8 +241,12 @@ inline Integer FloorLog2(Integer n) {
  // generate INT16 LUT for function(), e.g., table exp(x) and 1/(1+x) used in
  // softmax
  -inline void gen_lut(const std::function<double(double)>& func, double min,
  - double max, int16_t* table, const int num) {
  +// func - the function to build the LUT for (e.g exp(x))
  +// min,max - table limits
  +// table - pointer to buffer
  +// num - number of elements in the LUT
  +inline void gen_lut(double (*func)(double), double min, double max,
  + int16_t* table, const int num) {
  // size of table should equal to num + 1
  // last element only for slope calculation
  double step = (max - min) / (num - 1);
  @@ -265,8 +269,12 @@ inline void gen_lut(const std::function<double(double)>& func, double min,
  // generate INT16 LUT for function(), e.g., table exp(x) and 1/(1+x) used in
  // softmax
  -inline void gen_lut(const std::function<float(float)>& func, float min,
  - float max, int16_t* table, const int num) {
  +// func - the function to build the LUT for (e.g exp(x))
  +// min,max - table limits
  +// table - pointer to buffer
  +// num - number of elements in the LUT
  +inline void gen_lut(float (*func)(float), float min, float max, int16_t* table,
  + const int num) {
  // size of table should equal to num + 1
  // last element only for slope calculation
  float step = (max - min) / (num - 1);
  @@ -463,13 +471,15 @@ inline void DownScaleInt32ToInt16Multiplier(int32_t multiplier_int32_t,
  // ceil(log(abs( log(2.^(0:127))+1 ))/log(2)); ...
  // ceil(log(abs( log(2.^(0:127))+1 ))/log(2))]
  constexpr int min_log_x_output_bits(int input_bits) {
  - return input_bits > 90 ? 7
  - : input_bits > 44 ? 6
  - : input_bits > 21 ? 5
  - : input_bits > 10 ? 4
  - : input_bits > 4 ? 3
  - : input_bits > 1 ? 2
  - : 1;
  + return input_bits > 90
  + ? 7
  + : input_bits > 44
  + ? 6
  + : input_bits > 21
  + ? 5
  + : input_bits > 10
  + ? 4
  + : input_bits > 4 ? 3 : input_bits > 1 ? 2 : 1;
  }
  // Although currently the name of this function says that it cannot handle
  