diff options
Diffstat (limited to 'arm_compute/core/QuantizationInfo.h')
| -rw-r--r-- | arm_compute/core/QuantizationInfo.h | 52 |
1 files changed, 27 insertions, 25 deletions
diff --git a/arm_compute/core/QuantizationInfo.h b/arm_compute/core/QuantizationInfo.h index 8fa513eee1..471b8c57ab 100644 --- a/arm_compute/core/QuantizationInfo.h +++ b/arm_compute/core/QuantizationInfo.h @@ -26,6 +26,7 @@ #include "arm_compute/core/Rounding.h" #include "arm_compute/core/utils/misc/Utility.h" + #include "support/ToolchainSupport.h" #include <vector> @@ -41,8 +42,7 @@ using qasymm16_t = uint16_t; /**< 16 bit quantized asymmetric scalar value struct UniformQuantizationInfo { /** Default constructor */ - UniformQuantizationInfo() - : scale(0.f), offset(0) + UniformQuantizationInfo() : scale(0.f), offset(0) { } /** Constructor @@ -50,8 +50,7 @@ struct UniformQuantizationInfo * @param[in] scale Quantization scale * @param[in] offset Quantization offset */ - UniformQuantizationInfo(float scale, int32_t offset) - : scale(scale), offset(offset) + UniformQuantizationInfo(float scale, int32_t offset) : scale(scale), offset(offset) { } /** Checks if the scale and offset are both zero */ @@ -69,9 +68,7 @@ class QuantizationInfo { public: /** Default constructor */ - QuantizationInfo() noexcept - : _scale(), - _offset() + QuantizationInfo() noexcept : _scale(), _offset() { } /** Construct quantization info. @@ -80,8 +77,7 @@ public: * * @param[in] scale Scale. */ - QuantizationInfo(float scale) - : _scale(1, scale), _offset() + QuantizationInfo(float scale) : _scale(1, scale), _offset() { } /** Construct quantization info. @@ -91,8 +87,7 @@ public: * @param[in] scale Scale. * @param[in] offset Offset. */ - QuantizationInfo(float scale, int offset) - : _scale(1, scale), _offset(1, offset) + QuantizationInfo(float scale, int offset) : _scale(1, scale), _offset(1, offset) { } /** Construct quantization info. @@ -101,8 +96,7 @@ public: * * @param[in] scale Scale. */ - QuantizationInfo(std::vector<float> scale) - : _scale(scale), _offset() + QuantizationInfo(std::vector<float> scale) : _scale(scale), _offset() { } /** Construct quantization info. @@ -112,8 +106,7 @@ public: * @param[in] scale Scale. * @param[in] offset Offset. */ - QuantizationInfo(std::vector<float> scale, std::vector<int32_t> offset) - : _scale(scale), _offset(offset) + QuantizationInfo(std::vector<float> scale, std::vector<int32_t> offset) : _scale(scale), _offset(offset) { } /** Scale vector accessor @@ -208,8 +201,7 @@ inline bool operator!=(const UniformQuantizationInfo &lhs, const UniformQuantiza template <typename QUANTIZED_TYPE = uint8_t> struct Qasymm8QuantizationHelper { - static_assert(std::is_same<QUANTIZED_TYPE, uint8_t>::value - || std::is_same<QUANTIZED_TYPE, int8_t>::value, + static_assert(std::is_same<QUANTIZED_TYPE, uint8_t>::value || std::is_same<QUANTIZED_TYPE, int8_t>::value, "quantized type should be either uint8_t or int8_t."); /** Quantize a value given a 8-bit asymmetric quantization scheme @@ -234,9 +226,10 @@ struct Qasymm8QuantizationHelper * * @return Quantized value */ - static inline QUANTIZED_TYPE quantize(float value, const UniformQuantizationInfo &qinfo, RoundingPolicy rounding_policy) + static inline QUANTIZED_TYPE + quantize(float value, const UniformQuantizationInfo &qinfo, RoundingPolicy rounding_policy) { - if(rounding_policy == RoundingPolicy::TO_NEAREST_UP) + if (rounding_policy == RoundingPolicy::TO_NEAREST_UP) { return quantize(value, qinfo); } @@ -254,7 +247,8 @@ struct Qasymm8QuantizationHelper * * @return Quantized value */ - static inline QUANTIZED_TYPE quantize(float value, const QuantizationInfo &qinfo, RoundingPolicy rounding_policy = RoundingPolicy::TO_NEAREST_UP) + static inline QUANTIZED_TYPE + quantize(float value, const QuantizationInfo &qinfo, RoundingPolicy rounding_policy = RoundingPolicy::TO_NEAREST_UP) { const UniformQuantizationInfo uqinfo = qinfo.uniform(); ARM_COMPUTE_ERROR_ON(uqinfo.scale == 0); @@ -297,7 +291,8 @@ struct Qasymm8QuantizationHelper * @return Quantized value */ template <typename INFO_TYPE> -inline uint8_t quantize_qasymm8(float value, const INFO_TYPE &qinfo, RoundingPolicy rounding_policy = RoundingPolicy::TO_NEAREST_UP) +inline uint8_t +quantize_qasymm8(float value, const INFO_TYPE &qinfo, RoundingPolicy rounding_policy = RoundingPolicy::TO_NEAREST_UP) { return Qasymm8QuantizationHelper<uint8_t>::quantize(value, qinfo, rounding_policy); } @@ -311,7 +306,9 @@ inline uint8_t quantize_qasymm8(float value, const INFO_TYPE &qinfo, RoundingPol * @return Quantized value */ template <typename INFO_TYPE> -inline int8_t quantize_qasymm8_signed(float value, const INFO_TYPE &qinfo, RoundingPolicy rounding_policy = RoundingPolicy::TO_NEAREST_UP) +inline int8_t quantize_qasymm8_signed(float value, + const INFO_TYPE &qinfo, + RoundingPolicy rounding_policy = RoundingPolicy::TO_NEAREST_UP) { return Qasymm8QuantizationHelper<int8_t>::quantize(value, qinfo, rounding_policy); } @@ -441,7 +438,9 @@ inline float dequantize(uint16_t value, float scale, int32_t offset) * * @return Quantized value */ -inline int16_t quantize_qsymm16(float value, const UniformQuantizationInfo &qinfo, RoundingPolicy rounding_policy = RoundingPolicy::TO_NEAREST_UP) +inline int16_t quantize_qsymm16(float value, + const UniformQuantizationInfo &qinfo, + RoundingPolicy rounding_policy = RoundingPolicy::TO_NEAREST_UP) { int quantized = arm_compute::round(value / qinfo.scale, rounding_policy); quantized = arm_compute::utility::clamp<int, int16_t>(quantized); @@ -492,7 +491,9 @@ inline float dequantize_qsymm16(int16_t value, const QuantizationInfo &qinfo) * * @return Quantized value */ -inline uint16_t quantize_qasymm16(float value, const UniformQuantizationInfo &qinfo, RoundingPolicy rounding_policy = RoundingPolicy::TO_NEAREST_UP) +inline uint16_t quantize_qasymm16(float value, + const UniformQuantizationInfo &qinfo, + RoundingPolicy rounding_policy = RoundingPolicy::TO_NEAREST_UP) { int quantized = arm_compute::round(value / qinfo.scale, rounding_policy) + qinfo.offset; quantized = arm_compute::utility::clamp<int, uint16_t>(quantized); @@ -565,7 +566,8 @@ inline float dequantize_qasymm16(uint16_t value, const QuantizationInfo &qinfo) * z_n = - z_i * s_i / s_o + z_o * */ -inline UniformQuantizationInfo compute_requantization_scale_offset(const UniformQuantizationInfo &uqinfo_in, const UniformQuantizationInfo &uqinfo_out) +inline UniformQuantizationInfo compute_requantization_scale_offset(const UniformQuantizationInfo &uqinfo_in, + const UniformQuantizationInfo &uqinfo_out) { float scale_to_apply = uqinfo_out.scale; int32_t offset_to_apply = uqinfo_out.offset; |