always provide __fpclassifyl and __signbitl definitions

[musl] / src / math / __signbitl.c

diff --git a/src/math/__signbitl.c b/src/math/__signbitl.c
index c52c87b..63b3dc5 100644 (file)
--- a/src/math/__signbitl.c
+++ b/src/math/__signbitl.c
@@ -6,4 +6,9 @@ int __signbitl(long double x)
        union ldshape u = {x};
        return u.i.se >> 15;
 }
+#elif LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
+int __signbitl(long double x)
+{
+       return __signbit(x);
+}
 #endif