fix public clone function to be safe and usable by applications

[musl] / src / internal / libm.h

diff --git a/src/internal/libm.h b/src/internal/libm.h
index 7533f6b..72ad17d 100644 (file)
--- a/src/internal/libm.h
+++ b/src/internal/libm.h
@@ -267,5 +267,8 @@ hidden double __math_uflow(uint32_t);
 hidden double __math_oflow(uint32_t);
 hidden double __math_divzero(uint32_t);
 hidden double __math_invalid(double);
+#if LDBL_MANT_DIG != DBL_MANT_DIG
+hidden long double __math_invalidl(long double);
+#endif
 
 #endif