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-rw-r--r--nuttx/arch/arm/include/math.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/nuttx/arch/arm/include/math.h b/nuttx/arch/arm/include/math.h
index 9de10c58b..b9557ad94 100644
--- a/nuttx/arch/arm/include/math.h
+++ b/nuttx/arch/arm/include/math.h
@@ -393,6 +393,7 @@ extern long double sinhl _PARAMS((long double));
extern long double expl _PARAMS((long double));
extern long double ldexpl _PARAMS((long double, int));
extern long double logl _PARAMS((long double));
+extern long double log2l _PARAMS((long double));
extern long double log10l _PARAMS((long double));
extern long double powl _PARAMS((long double, long double));
extern long double sqrtl _PARAMS((long double));