RE: [PATCH] Compress::Zlib

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

diff --git a/numeric.c b/numeric.c
index c38a008..2970dad 100644 (file)
--- a/numeric.c
+++ b/numeric.c
@@ -757,7 +757,7 @@ S_mulexp10(NV value, I32 exponent)
     if (exponent == 0)
        return value;
     if (value == 0)
-       return 0;
+       return (NV)0;
 
     /* On OpenVMS VAX we by default use the D_FLOAT double format,
      * and that format does not have *easy* capabilities [1] for
@@ -893,6 +893,21 @@ Perl_my_atof2(pTHX_ const char* orig, NV* value)
            ++s;
     }
 
+    /* punt to strtod for NaN/Inf; if no support for it there, tough luck */
+
+#ifdef HAS_STRTOD
+    if (*s == 'n' || *s == 'N' || *s == 'i' || *s == 'I') {
+        const char *p = negative ? s - 1 : s;
+        char *endp;
+        NV rslt;
+        rslt = strtod(p, &endp);
+        if (endp != p) {
+            *value = rslt;
+            return (char *)endp;
+        }
+    }
+#endif
+
     /* we accumulate digits into an integer; when this becomes too
      * large, we add the total to NV and start again */