1 files changed, 62 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/ieee754/ldbl-128ibm/s_truncl.c b/REORG.TODO/sysdeps/ieee754/ldbl-128ibm/s_truncl.c
new file mode 100644
index 0000000000..ecabf9d711
--- /dev/null
+++ b/REORG.TODO/sysdeps/ieee754/ldbl-128ibm/s_truncl.c
@@ -0,0 +1,62 @@
+/* Truncate (toward zero) long double floating-point values.
+   IBM extended format long double version.
+   Copyright (C) 2006-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <math.h>
+#include <math_ldbl_opt.h>
+#include <float.h>
+#include <ieee754.h>
+
+
+long double
+__truncl (long double x)
+{
+  double xh, xl, hi, lo;
+
+  ldbl_unpack (x, &xh, &xl);
+
+  /* Return Inf, Nan, +/-0 unchanged.  */
+  if (__builtin_expect (xh != 0.0
+			&& __builtin_isless (__builtin_fabs (xh),
+					     __builtin_inf ()), 1))
+    {
+      hi = __trunc (xh);
+      if (hi != xh)
+	{
+	  /* The high part is not an integer; the low part does not
+	     affect the result.  */
+	  xh = hi;
+	  xl = 0;
+	}
+      else
+	{
+	  /* The high part is a nonzero integer.  */
+	  lo = xh > 0 ? __floor (xl) : __ceil (xl);
+	  xh = hi;
+	  xl = lo;
+	  ldbl_canonicalize_int (&xh, &xl);
+	}
+    }
+  else
+    /* Quiet signaling NaN arguments.  */
+    xh += xh;
+
+  return ldbl_pack (xh, xl);
+}
+
+long_double_symbol (libm, __truncl, truncl);