Add a generic significand implementation

Create a template for significand.

	* math/Makefile (libm-calls): Move s_significandF to...
	(gen-libm-calls): ... here.
	* math/s_significand_template.c: New file.
	* math/s_significand.c: Removed.
	* math/s_significandf.c: Removed.
	* math/s_significandl.c: Removed.
	* sysdeps/ieee754/ldbl-opt/s_significand.c: Removed.
	* sysdeps/ieee754/ldbl-opt/s_significandl.c: Removed.

Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>

1 files changed, 33 insertions, 0 deletions

diff --git a/math/s_significand_template.c b/math/s_significand_template.c
new file mode 100644
index 0000000000..0c5ad8d14b
--- /dev/null
+++ b/math/s_significand_template.c
@@ -0,0 +1,33 @@
+/* Return the mantissa of a floating-point number.
+   Copyright (C) 2018 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/>.  */
+
+/*
+ * significand(x) computes just
+ * 	scalb(x, (FLOAT) - ilogb(x)),
+ * for exercising the fraction-part(F) IEEE 754-1985 test vector.
+ */
+
+#include <math.h>
+#include <math_private.h>
+
+FLOAT
+M_DECL_FUNC (__significand) (FLOAT x)
+{
+  return M_SUF (__ieee754_scalb) (x,(FLOAT) - M_SUF (__ilogb) (x));
+}
+declare_mgen_alias (__significand, significand)