fixup

nim-lang · Nov 29, 2020 · 228f7a6 · 228f7a6
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commit 228f7a6
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diff --git a/lib/js/dom.nim b/lib/js/dom.nim
@@ -1683,6 +1683,7 @@ proc decodeURIComponent*(uri: cstring): cstring {.importc, nodecl.}
 proc encodeURIComponent*(uri: cstring): cstring {.importc, nodecl.}
 proc isFinite*(x: BiggestFloat): bool {.importc, nodecl.}
 proc isNaN*(x: BiggestFloat): bool {.importc, nodecl.}
+  ## see also `math.isNaN`.
 
 proc newEvent*(name: cstring): Event {.importcpp: "new Event(@)", constructor.}
 

diff --git a/lib/pure/math.nim b/lib/pure/math.nim
@@ -158,7 +158,7 @@ proc classify*(x: float): FloatClass =
     return fcSubnormal
   return fcNormal
 
-proc isNaN*(x: float): bool =
+proc isNaN*(x: SomeFloat): bool {.inline, since: (1,5,1).} =
   ## Returns whether `x` is a `NaN`, more efficiently than via `classify(x) == fcNan`.
   ## Does not work with: `--passc:-ffast-math`.
   runnableExamples: