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author | Jeremy Johnson <jeremy.johnson@arm.com> | 2023-01-10 14:40:54 +0000 |
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committer | Jeremy Johnson <jeremy.johnson@arm.com> | 2023-01-18 09:48:31 +0000 |
commit | df628d4e2191248387ec5397ca23d618320fc726 (patch) | |
tree | 9c450ac9736a8107caa1519c3d461b4e3113ac3e /reference_model/src/ops/type_conversion.cc | |
parent | 9e94af8f10f0a21a117b3bc7ea42004844fdc3bb (diff) | |
download | reference_model-df628d4e2191248387ec5397ca23d618320fc726.tar.gz |
Update for RESCALE spec apply_add clarification
Signed-off-by: Jeremy Johnson <jeremy.johnson@arm.com>
Change-Id: I6958904c2c8932e9fe03b3092672d62a06e96ee6
Diffstat (limited to 'reference_model/src/ops/type_conversion.cc')
-rw-r--r-- | reference_model/src/ops/type_conversion.cc | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/reference_model/src/ops/type_conversion.cc b/reference_model/src/ops/type_conversion.cc index cb57340..f266675 100644 --- a/reference_model/src/ops/type_conversion.cc +++ b/reference_model/src/ops/type_conversion.cc @@ -159,8 +159,15 @@ int OpRescale<Rank, InDtype, OutDtype>::eval() else scaled = TosaReference::QuantUtil::apply_scale_16(input_zp_shifted, channel_multiplier, channel_shift); - scaled = scaled + output_zp; - OutEigenType out_val = static_cast<OutEigenType>(scaled); + int64_t res_in_64 = static_cast<int64_t>(scaled) + output_zp; + int64_t i32_max_in_64 = static_cast<int64_t>(std::numeric_limits<int32_t>::max()); + int64_t i32_min_in_64 = static_cast<int64_t>(std::numeric_limits<int32_t>::min()); + if (res_in_64 > i32_max_in_64 || res_in_64 < i32_min_in_64) + { + std::string desc = "scaling result [" + std::to_string(scaled) + "] plus output_zp [" + std::to_string(output_zp) + "] not in i32 range"; + throw desc; + } + OutEigenType out_val = static_cast<OutEigenType>(res_in_64); out_val = std::max<OutEigenType>(out_val, QMin); out_val = std::min<OutEigenType>(out_val, QMax); return out_val; @@ -174,7 +181,7 @@ int OpRescale<Rank, InDtype, OutDtype>::eval() } catch (std::string desc) { - REQUIRE(false, "OpRescale apply_scale_32/16() fails: %s.", desc.c_str()); + REQUIRE(false, "OpRescale failure: %s.", desc.c_str()); } } else @@ -193,8 +200,16 @@ int OpRescale<Rank, InDtype, OutDtype>::eval() else scaled = TosaReference::QuantUtil::apply_scale_16(input_zp_shifted, tensor_multiplier, tensor_shift); - scaled = scaled + output_zp; - OutEigenType out_val = static_cast<OutEigenType>(scaled); + int64_t res_in_64 = static_cast<int64_t>(scaled) + output_zp; + int64_t i32_max_in_64 = static_cast<int64_t>(std::numeric_limits<int32_t>::max()); + int64_t i32_min_in_64 = static_cast<int64_t>(std::numeric_limits<int32_t>::min()); + if (res_in_64 > i32_max_in_64 || res_in_64 < i32_min_in_64) + { + std::string desc = "scaling result [" + std::to_string(scaled) + "] plus output_zp [" + std::to_string(output_zp) + "] not in i32 range"; + throw desc; + } + + OutEigenType out_val = static_cast<OutEigenType>(res_in_64); out_val = std::max<OutEigenType>(out_val, QMin); out_val = std::min<OutEigenType>(out_val, QMax); return out_val; @@ -202,7 +217,7 @@ int OpRescale<Rank, InDtype, OutDtype>::eval() } catch (std::string desc) { - REQUIRE(false, "OpRescale apply_scale_32/16() fails: %s.", desc.c_str()); + REQUIRE(false, "OpRescale failure: %s.", desc.c_str()); } } |