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vitstn · Oct 28, 2024 · 1853a74 · 1853a74
1 parent 634dc20
commit 1853a74
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diff --git a/ydb/library/yql/public/decimal/ut/yql_decimal_ut.cpp b/ydb/library/yql/public/decimal/ut/yql_decimal_ut.cpp
@@ -215,6 +215,7 @@ Y_UNIT_TEST_SUITE(TYqlDecimalTest) {
         UNIT_ASSERT(FromStringEx("-1e-99", 10, 2) == 0);
         UNIT_ASSERT(FromStringEx("-510e-3", 1, 0) == -1);
         UNIT_ASSERT(FromStringEx("+99E3", 5, 0) == 99000);
+        UNIT_ASSERT(FromStringEx("2.1E-130", 35, 2) == 0);
     }
 
     Y_UNIT_TEST(TestFormStringExInvalidValues) {

diff --git a/ydb/library/yql/public/decimal/yql_decimal.cpp b/ydb/library/yql/public/decimal/yql_decimal.cpp
@@ -10,6 +10,10 @@ namespace NDecimal {
 static const TUint128 Ten(10U);
 
 TUint128 GetDivider(ui8 scale) {
+    if (scale > MaxPrecision) {
+        return Inf();
+    }
+
     TUint128 d(1U);
     while (scale--)
         d *= Ten;