diff options
Diffstat (limited to 'src/core/Utils.cpp')
-rw-r--r-- | src/core/Utils.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/core/Utils.cpp b/src/core/Utils.cpp index 30e5b66540..f930804ce3 100644 --- a/src/core/Utils.cpp +++ b/src/core/Utils.cpp @@ -471,6 +471,21 @@ float arm_compute::calculate_resize_ratio(size_t input_size, size_t output_size, return static_cast<float>(in) / static_cast<float>(out); } +std::pair<int32_t, int32_t> arm_compute::get_quantized_activation_min_max(ActivationLayerInfo act_info, DataType data_type, UniformQuantizationInfo oq_info) +{ + const bool is_qasymm8_signed = is_data_type_quantized_asymmetric_signed(data_type); + const auto a = act_info.a(); + const auto b = act_info.b(); + const int a_int = is_qasymm8_signed ? quantize_qasymm8_signed(a, oq_info) : quantize_qasymm8(a, oq_info); + const int b_int = is_qasymm8_signed ? quantize_qasymm8_signed(b, oq_info) : quantize_qasymm8(b, oq_info); + const auto type_max_value = std::get<1>(get_min_max(data_type)).get<int32_t>(); + + const int32_t min_activation = act_info.activation() != ActivationLayerInfo::ActivationFunction::LU_BOUNDED_RELU ? oq_info.offset : b_int; + const int32_t max_activation = act_info.activation() == ActivationLayerInfo::ActivationFunction::RELU ? type_max_value : a_int; + + return std::make_pair(min_activation, max_activation); +} + #ifdef ARM_COMPUTE_ASSERTS_ENABLED void arm_compute::print_consecutive_elements(std::ostream &s, DataType dt, const uint8_t *ptr, unsigned int n, int stream_width, const std::string &element_delim) { |