Make scan_num() reëntrant, as suggested in

[p5sagit/p5-mst-13.2.git] / pp.c

diff --git a/pp.c b/pp.c
index 9afa96d..98d31cb 100644 (file)
--- a/pp.c
+++ b/pp.c
@@ -1889,11 +1889,24 @@ PP(pp_int)
        SETi(iv);
       }
       else {
-       if (value >= 0.0)
-         (void)Perl_modf(value, &value);
+         if (value >= 0.0) {
+#if defined(HAS_MODFL) || defined(LONG_DOUBLE_EQUALS_DOUBLE)
+             (void)Perl_modf(value, &value);
+#else
+             double tmp = (double)value;
+             (void)Perl_modf(tmp, &tmp);
+             value = (NV)tmp;
+#endif
+         }
        else {
-         (void)Perl_modf(-value, &value);
-         value = -value;
+#if defined(HAS_MODFL) || defined(LONG_DOUBLE_EQUALS_DOUBLE)
+           (void)Perl_modf(-value, &value);
+           value = -value;
+#else
+           double tmp = (double)value;
+           (void)Perl_modf(-tmp, &tmp);
+           value = -(NV)tmp;
+#endif
        }
        iv = I_V(value);
        if (iv == value)