fix: handle number 0

Author: Alvaro-Kothe

pandas/_libs/src/parser/tokenizer.c

@@ -1691,7 +1691,7 @@ double precise_xstrtod(const char *str, char **endptr, char decimal, char sci,
   }
 
   if (exponent > 308) {
-    number = number < 0 ? -HUGE_VAL : HUGE_VAL;
+    number = number == 0 ? 0 : number < 0 ? -HUGE_VAL : HUGE_VAL;
   } else if (exponent > 0) {
     number *= e[exponent];
   } else if (exponent < -308) { // Subnormal

pandas/tests/io/parser/common/test_float.py

@@ -41,6 +41,10 @@ def test_scientific_no_exponent(all_parsers_all_precisions):
 @pytest.mark.parametrize(
     "value, expected_value",
     [
+        ("0E-617", 0.0),
+        ("0E99999999", 0.0),
+        ("-0E99999999", 0.0),
+        ("-0E-99999999", 0.0),
         ("10E-617", 0.0),
         ("10E-100000", 0.0),
         ("-10E-100000", 0.0),