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Diffstat (limited to 'libc/sysdeps/linux/sparc64/soft-fp/s_frexpl.c')
-rw-r--r--libc/sysdeps/linux/sparc64/soft-fp/s_frexpl.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/sparc64/soft-fp/s_frexpl.c b/libc/sysdeps/linux/sparc64/soft-fp/s_frexpl.c
new file mode 100644
index 000000000..6f0baeb3f
--- /dev/null
+++ b/libc/sysdeps/linux/sparc64/soft-fp/s_frexpl.c
@@ -0,0 +1,51 @@
+/* Software floating-point emulation.
+ frexpl(x, exp)
+ Copyright (C) 1999-2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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/>. */
+
+/*
+ * for non-zero x
+ * x = frexpl(arg,&exp);
+ * return a long double fp quantity x such that 0.5 <= |x| <1.0
+ * and the corresponding binary exponent "exp". That is
+ * arg = x*2^exp.
+ * If arg is inf, 0.0, or NaN, then frexpl(arg,&exp) returns arg
+ * with *exp=0.
+ */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double __frexpl(long double arg, int *exp)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ long double r;
+
+ *exp = 0;
+ FP_UNPACK_Q(A, arg);
+ if (A_c != FP_CLS_NORMAL)
+ return arg;
+ *exp = A_e + 1;
+ A_e = -1;
+ FP_PACK_Q(r, A);
+
+ return r;
+}
+
+weak_alias (__frexpl, frexpl)