Fix the build.

529045b6 · Victor Zverovich · 7b970285 · 529045b6
Commit 529045b6 authored Dec 28, 2012 by Victor Zverovich
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format.cc format.cc +1 -1

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--- a/format.cc
+++ b/format.cc
@@ -322,7 +322,7 @@ void Formatter::FormatDouble(T value, const FormatSpec &spec, int precision) {
    sign = (spec.flags & PLUS_FLAG) != 0 ? '+' : ' ';
  }

-  if (isnan(value)) {
+  if (value != value) {
    // Format NaN ourselves because sprintf's output is not consistent
    // across platforms.
    std::size_t size = 4;