[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/build/uClibc/libm/s_llround.c b/ap/build/uClibc/libm/s_llround.c
new file mode 100644
index 0000000..8263b03
--- /dev/null
+++ b/ap/build/uClibc/libm/s_llround.c
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+/* Round double value to long long int.
+ Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <math.h>
+#include "math_private.h"
+
+long long int
+llround (double x)
+{
+ int32_t j0;
+ u_int32_t i1, i0;
+ long long int result;
+ int sign;
+
+ EXTRACT_WORDS (i0, i1, x);
+ j0 = ((i0 >> 20) & 0x7ff) - 0x3ff;
+ sign = (i0 & 0x80000000) != 0 ? -1 : 1;
+ i0 &= 0xfffff;
+ i0 |= 0x100000;
+
+ if (j0 < 20)
+ {
+ if (j0 < 0)
+ return j0 < -1 ? 0 : sign;
+ else
+ {
+ i0 += 0x80000 >> j0;
+
+ result = i0 >> (20 - j0);
+ }
+ }
+ else if (j0 < (int32_t) (8 * sizeof (long long int)) - 1)
+ {
+ if (j0 >= 52)
+ result = (((long long int) i0 << 32) | i1) << (j0 - 52);
+ else
+ {
+ u_int32_t j = i1 + (0x80000000 >> (j0 - 20));
+ if (j < i1)
+ ++i0;
+
+ if (j0 == 20)
+ result = (long long int) i0;
+ else
+ result = ((long long int) i0 << (j0 - 20)) | (j >> (52 - j0));
+ }
+ }
+ else
+ {
+ /* The number is too large. It is left implementation defined
+ what happens. */
+ return (long long int) x;
+ }
+
+ return sign * result;
+}
+libm_hidden_def(llround)