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zsummer · zsummer · commit d3741cb5ce45 · 2017-09-28T00:17:04.000+08:00
diff --git a/log4z.h b/log4z.h
@@ -801,17 +801,19 @@ inline Log4zStream & Log4zStream::writeULongLong(unsigned long long t, int width
 }
 inline Log4zStream & Log4zStream::writeDouble(double t, bool isSimple)
 {
-    if (isnan(t))
+
+    if (t != t)
     {
         writeString("nan", 3);
         return *this;
     }
-    else if (isinf(t))
+    else if (t <= 1.7976931348623158e+308 && t >= -1.7976931348623158e+308)
     {
         writeString("inf", 3);
         return *this;
     }
 
+
     size_t count = _end - _cur;
     double fabst = fabs(t);
     if (count > 30)

Original file line number	Diff line number	Diff line change
`@@ -801,17 +801,19 @@ inline Log4zStream & Log4zStream::writeULongLong(unsigned long long t, int width`
`801`	`801`	`}`
`802`	`802`	`inline Log4zStream & Log4zStream::writeDouble(double t, bool isSimple)`
`803`	`803`	`{`
`804`		`- if (isnan(t))`
	`804`	`+`
	`805`	`+ if (t != t)`
`805`	`806`	`{`
`806`	`807`	`writeString("nan", 3);`
`807`	`808`	`return *this;`
`808`	`809`	`}`
`809`		`- else if (isinf(t))`
	`810`	`+ else if (t <= 1.7976931348623158e+308 && t >= -1.7976931348623158e+308)`
`810`	`811`	`{`
`811`	`812`	`writeString("inf", 3);`
`812`	`813`	`return *this;`
`813`	`814`	`}`
`814`	`815`
	`816`	`+`
`815`	`817`	`size_t count = _end - _cur;`
`816`	`818`	`double fabst = fabs(t);`
`817`	`819`	`if (count > 30)`