try using llround

python · Oct 3, 2022 · be7bea9 · be7bea9
1 parent b0f89cb
commit be7bea9
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/Python/pytime.c b/Python/pytime.c
@@ -4,6 +4,8 @@
 #  include <winsock2.h>           // struct timeval
 #endif
 
+#include <fenv.h>
+
 #if defined(__APPLE__)
 #  include <mach/mach_time.h>     // mach_absolute_time(), mach_timebase_info()
 
@@ -515,11 +517,12 @@ pytime_from_double(_PyTime_t *tp, double value, _PyTime_round_t round,
     d *= (double)unit_to_ns;
     d = pytime_round(d, round);
 
-    if (!_Py_InIntegralTypeRange(_PyTime_t, d)) {
+    feclearexcept(FE_ALL_EXCEPT);
+    _PyTime_t ns = llround(d);
+    if (fetestexcept(FE_INVALID)) {
         pytime_overflow();
         return -1;
     }
-    _PyTime_t ns = (_PyTime_t)d;
 
     *tp = pytime_from_nanoseconds(ns);
     return 0;