Fix (Number.toFixed) rounding, eg (1234.505).toFixed(2)

espruino · Aug 27, 2019 · 3c700f9 · 3c700f9
1 parent 552fb8f
commit 3c700f9
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diff --git a/ChangeLog b/ChangeLog
@@ -1,4 +1,5 @@
             Add Array.includes
+            Fix (Number.toFixed) rounding, eg (1234.505).toFixed(2)
 
      2v04 : Allow \1..\9 escape codes in RegExp
             ESP8266: reading storage is not working for boot from user2 (fix #1507)

diff --git a/src/jsutils.c b/src/jsutils.c
@@ -643,7 +643,7 @@ void ftoa_bounded_extra(JsVarFloat val,char *str, size_t len, int radix, int fra
       bool hasPt = false;
       val*=radix;
       while (((fractionalDigits<0) && (fractionalDigits>-12) && (val > stopAtError)) || (fractionalDigits > 0)) {
-        int v = (int)(val+((fractionalDigits==1) ? 0.4 : 0.00000001) );
+        int v = (int)(val+((fractionalDigits==1) ? 0.5 : 0.00000001) );
         val = (val-v)*radix;
 	if (v==radix) v=radix-1;
         if (!hasPt) {