commit 30b46a660629ccd5bf715f63b90d6d7655416e2c
author Sang-Hoon Park <sang-hoon.park@arm.com> Sat Apr 18 01:40:57 2020 +0100
committer Sang-Hoon Park <sang-hoon.park@arm.com> Mon Apr 20 14:53:23 2020 +0000
tree 9d30cb7d4950d4f21d0033c9d88c842c587f5a51
parent eb65f6da695ac0d3e495817145cceb1c4de4f048

COMPMID-3241: Fix hidden scale in NEQLSTMLayer

- Fix wrong data types in LSTMParams
- Add logic to ignore epsilon for quantization multiplier computation
- Ignore epsilon for hidden gate scale computation

Change-Id: Ia0b2f523b1c2ad325f3523439a8eea051d81958c
Signed-off-by: Sang-Hoon Park <sang-hoon.park@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/3058
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>

arm_compute/core/utils/quantization/AsymmHelpers.h

diff --git a/arm_compute/core/utils/quantization/AsymmHelpers.h b/arm_compute/core/utils/quantization/AsymmHelpers.h
index a7bbf9b..4ef4947 100644
--- a/arm_compute/core/utils/quantization/AsymmHelpers.h
+++ b/arm_compute/core/utils/quantization/AsymmHelpers.h
@@ -37,19 +37,21 @@
  * @param[in]  multiplier       Real multiplier.
  * @param[out] quant_multiplier Integer multiplier.
  * @param[out] shift            bit shift. A negative value indicates a left shift, while a positive value indicates a right shift
+ * @param[in]  ignore_epsilon   When true, ignore pre-defined epsilon value. Defaults to false
  *
  * @return a status
  */
-Status calculate_quantized_multiplier(float multiplier, int32_t *quant_multiplier, int32_t *shift);
+Status calculate_quantized_multiplier(float multiplier, int32_t *quant_multiplier, int32_t *shift, bool ignore_epsilon = false);
 /** Calculate quantized representation of multiplier with value less than one.
  *
  * @param[in]  multiplier       Real multiplier.
  * @param[out] quant_multiplier Integer multiplier.
  * @param[out] right_shift      Right bit shift.
+ * @param[in]  ignore_epsilon   When true, ignore pre-defined epsilon value. Defaults to false
  *
  * @return a status
  */
-Status calculate_quantized_multiplier_less_than_one(float multiplier, int32_t *quant_multiplier, int32_t *right_shift);
+Status calculate_quantized_multiplier_less_than_one(float multiplier, int32_t *quant_multiplier, int32_t *right_shift, bool ignore_epsilon = false);
 /** Calculate quantized representation of multiplier having value greater than one.
  *
  * @param[in]  multiplier           Real multiplier.