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-rw-r--r--include/mathi.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/include/mathi.h b/include/mathi.h
index c85b31d4..14f62b7a 100644
--- a/include/mathi.h
+++ b/include/mathi.h
@@ -56,7 +56,6 @@ extern double floor(double);
extern double __ieee754_fmod(double, double);
extern double __ieee754_hypot(double, double);
extern int ilogb(double);
-extern int isnan(double);
extern double __ieee754_j0(double);
extern double __ieee754_j1(double);
extern double __ieee754_jn(int, double);