diff options
Diffstat (limited to 'reference_model/src/arith_util.h')
| -rw-r--r-- | reference_model/src/arith_util.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/reference_model/src/arith_util.h b/reference_model/src/arith_util.h index f0d184c..fee9fef 100644 --- a/reference_model/src/arith_util.h +++ b/reference_model/src/arith_util.h @@ -22,6 +22,7 @@ * fix point arithmetic * fp16 type conversion(in binary translation) * fp16 arithmetic (disguised with fp32 now) + * and include the arithmetic helpers listed in Section 4.3.1. of the spec */ #ifndef ARITH_UTIL_H @@ -35,6 +36,7 @@ #include "func_debug.h" #include "half.hpp" #include "inttypes.h" +#include "ops/template_types.h" #include <bitset> #include <cassert> #include <limits> @@ -247,4 +249,72 @@ float fpTrunc(float f_in) return f_in; } +// return the maximum value when interpreting type T as a signed value. +template <TOSA_REF_TYPE Dtype> +int32_t getSignedMaximum() +{ + if (Dtype == TOSA_REF_TYPE_INT8 || Dtype == TOSA_REF_TYPE_UINT8) + return GetQMax<TOSA_REF_TYPE_INT8>::value; + + if (Dtype == TOSA_REF_TYPE_INT16 || Dtype == TOSA_REF_TYPE_UINT16) + return GetQMax<TOSA_REF_TYPE_INT16>::value; + + if (Dtype == TOSA_REF_TYPE_INT32) + return GetQMax<TOSA_REF_TYPE_INT32>::value; + + FATAL_ERROR("Get maximum_s for the dtype input is not supported"); + return 0; +} + +// return the minimum value when interpreting type T as a signed value. +template <TOSA_REF_TYPE Dtype> +int32_t getSignedMinimum() +{ + if (Dtype == TOSA_REF_TYPE_INT8 || Dtype == TOSA_REF_TYPE_UINT8) + return GetQMin<TOSA_REF_TYPE_INT8>::value; + + if (Dtype == TOSA_REF_TYPE_INT16 || Dtype == TOSA_REF_TYPE_UINT16) + return GetQMin<TOSA_REF_TYPE_INT16>::value; + + if (Dtype == TOSA_REF_TYPE_INT32) + return GetQMin<TOSA_REF_TYPE_INT32>::value; + + FATAL_ERROR("Get minimum_s for the dtype input is not supported"); + return 0; +} + +// return the maximum value when interpreting type T as an unsigned value. +template <TOSA_REF_TYPE Dtype> +int32_t getUnsignedMaximum() +{ + if (Dtype == TOSA_REF_TYPE_INT8 || Dtype == TOSA_REF_TYPE_UINT8) + return GetQMax<TOSA_REF_TYPE_UINT8>::value; + + if (Dtype == TOSA_REF_TYPE_INT16 || Dtype == TOSA_REF_TYPE_UINT16) + return GetQMax<TOSA_REF_TYPE_UINT16>::value; + + if (Dtype == TOSA_REF_TYPE_INT32) + return std::numeric_limits<uint32_t>::max(); + + FATAL_ERROR("Get maximum_u for the dtype input is not supported"); + return 0; +} + +// return the minimum value when interpreting type T as an unsigned value. +template <TOSA_REF_TYPE Dtype> +int32_t getUnsignedMinimum() +{ + if (Dtype == TOSA_REF_TYPE_INT8 || Dtype == TOSA_REF_TYPE_UINT8) + return GetQMin<TOSA_REF_TYPE_UINT8>::value; + + if (Dtype == TOSA_REF_TYPE_INT16 || Dtype == TOSA_REF_TYPE_UINT16) + return GetQMin<TOSA_REF_TYPE_UINT16>::value; + + if (Dtype == TOSA_REF_TYPE_INT32) + return std::numeric_limits<uint32_t>::min(); + + FATAL_ERROR("Get minimum_u for the dtype input is not supported"); + return 0; +} + #endif /* _ARITH_UTIL_H */ |