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-rw-r--r--src/libfmt/nan.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/libfmt/nan.h b/src/libfmt/nan.h
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index 00000000..be78e14e
--- /dev/null
+++ b/src/libfmt/nan.h
@@ -0,0 +1,4 @@
+extern double __NaN(void);
+extern double __Inf(int);
+extern int __isNaN(double);
+extern int __isInf(double, int);