Ensure x%Infinity===x (fix #2542)

espruino · Sep 23, 2024 · 7a340e8 · 7a340e8
1 parent 7212abf
commit 7a340e8
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diff --git a/ChangeLog b/ChangeLog
@@ -18,6 +18,7 @@
             Ensure that 1%0.0===NaN (fix #2556)
             Ensure Number("1A")==NaN, previously we just parsed the digits we could (fix #2555)
             First argument of operators is now dereferenced before parsing second argument (fix #2547)
+            Ensure x%Infinity===x (fix #2542)
 
      2v24 : Bangle.js2: Add 'Bangle.touchRd()', 'Bangle.touchWr()'
             Bangle.js2: After Bangle.showTestScreen, put Bangle.js into a hard off state (not soft off)

diff --git a/src/jswrap_math.c b/src/jswrap_math.c
@@ -267,6 +267,7 @@ double jswrap_math_mod(double x, double y) {
 
   if (!isfinite(x) || isnan(y) || y==0)
     return NAN;
+  if (y==INFINITY)  return x;
 
   if (0 > c) {
     x = -x;