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first commit of the new libm!
[musl]
/
src
/
math
/
__signbitl.c
diff --git a/src/math/__signbitl.c
b/src/math/__signbitl.c
new file mode 100644
(file)
index 0000000..
81adb6c
--- /dev/null
+++ b/
src/math/__signbitl.c
@@ -0,0
+1,11
@@
+#include "libm.h"
+
+// FIXME: should be a macro
+#if (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
+int __signbitl(long double x)
+{
+ union ldshape u = {x};
+
+ return u.bits.sign;
+}
+#endif