/* Specification. */
#include <math.h>
+#if HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
+
+long double
+logl (long double x)
+{
+ return log (x);
+}
+
+#elif HAVE_LOGL
+
+long double
+logl (long double x)
+# undef logl
+{
+ /* Work around the OSF/1 5.1 bug. */
+ if (x == 0.0L)
+ /* Return -Infinity. */
+ return -1.0L / 0.0L;
+ return logl (x);
+}
+
+#else
+
+/* Code based on glibc/sysdeps/ieee754/ldbl-128/e_logl.c. */
+
/* logll.c
*
* Natural logarithm for 128-bit long double precision.
-2.7902661731604211834685052867305795169688E-4L,
-1.2335696813916860754951146082826952093496E-4L,
-3.0677461025892873184042490943581654591817E-5L,
-#define ZERO logtbl[38]
+# define ZERO logtbl[38]
0.0000000000000000000000000000000000000000E0L,
-3.0359557945051052537099938863236321874198E-5L,
-1.2081346403474584914595395755316412213151E-4L,
y += e * ln2a;
return y;
}
+
+#endif