diff options
Diffstat (limited to 'reference_model/src/verify/verify_utils.cc')
| -rw-r--r-- | reference_model/src/verify/verify_utils.cc | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/reference_model/src/verify/verify_utils.cc b/reference_model/src/verify/verify_utils.cc index 43ecbe7..99cb0c1 100644 --- a/reference_model/src/verify/verify_utils.cc +++ b/reference_model/src/verify/verify_utils.cc @@ -50,7 +50,6 @@ NLOHMANN_JSON_SERIALIZE_ENUM(VerifyMode, { VerifyMode::DotProduct, "DOT_PRODUCT" }, { VerifyMode::ReduceProduct, "REDUCE_PRODUCT" }, { VerifyMode::FpSpecial, "FP_SPECIAL" }, - { VerifyMode::Round, "ROUND" }, }) void from_json(const nlohmann::json& j, UlpInfo& ulpInfo) @@ -144,7 +143,24 @@ DType mapToDType(tosa_datatype_t dataType) // Like const_exp2 but for use during runtime double exp2(int32_t n) { - TOSA_REF_REQUIRE(-1022 <= n && n <= 1023, " Invalid exponent value (%d)", n); + TOSA_REF_REQUIRE(-1022 <= n && n <= 1023, " Invalid exponent value (%d) in exp2", n); return const_exp2(n); } + +int32_t ilog2(double v) +{ + TOSA_REF_REQUIRE(0.0 < v && v < std::numeric_limits<double>::infinity(), " Value out of range (%g) in ilog2", v); + int32_t n = 0; + while (v >= 2.0) + { + v = v / 2.0; + n++; + } + while (v < 1.0) + { + v = v * 2.0; + n--; + } + return n; +} } // namespace TosaReference |