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-rw-r--r--Build/source/libs/gmp/gmp-6.0.0/mpn/generic/mul_1.c97
1 files changed, 97 insertions, 0 deletions
diff --git a/Build/source/libs/gmp/gmp-6.0.0/mpn/generic/mul_1.c b/Build/source/libs/gmp/gmp-6.0.0/mpn/generic/mul_1.c
new file mode 100644
index 00000000000..6b2ee59a2c9
--- /dev/null
+++ b/Build/source/libs/gmp/gmp-6.0.0/mpn/generic/mul_1.c
@@ -0,0 +1,97 @@
+/* mpn_mul_1 -- Multiply a limb vector with a single limb and store the
+ product in a second limb vector.
+
+Copyright 1991-1994, 1996, 2000-2002 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library.
+
+The GNU MP Library is free software; you can redistribute it and/or modify
+it under the terms of either:
+
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at your
+ option) any later version.
+
+or
+
+ * the GNU General Public License as published by the Free Software
+ Foundation; either version 2 of the License, or (at your option) any
+ later version.
+
+or both in parallel, as here.
+
+The GNU MP 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 General Public License
+for more details.
+
+You should have received copies of the GNU General Public License and the
+GNU Lesser General Public License along with the GNU MP Library. If not,
+see https://www.gnu.org/licenses/. */
+
+#include "gmp.h"
+#include "gmp-impl.h"
+#include "longlong.h"
+
+
+#if GMP_NAIL_BITS == 0
+
+mp_limb_t
+mpn_mul_1 (mp_ptr rp, mp_srcptr up, mp_size_t n, mp_limb_t vl)
+{
+ mp_limb_t ul, cl, hpl, lpl;
+
+ ASSERT (n >= 1);
+ ASSERT (MPN_SAME_OR_INCR_P (rp, up, n));
+
+ cl = 0;
+ do
+ {
+ ul = *up++;
+ umul_ppmm (hpl, lpl, ul, vl);
+
+ lpl += cl;
+ cl = (lpl < cl) + hpl;
+
+ *rp++ = lpl;
+ }
+ while (--n != 0);
+
+ return cl;
+}
+
+#endif
+
+#if GMP_NAIL_BITS >= 1
+
+mp_limb_t
+mpn_mul_1 (mp_ptr rp, mp_srcptr up, mp_size_t n, mp_limb_t vl)
+{
+ mp_limb_t shifted_vl, ul, lpl, hpl, prev_hpl, xw, cl, xl;
+
+ ASSERT (n >= 1);
+ ASSERT (MPN_SAME_OR_INCR_P (rp, up, n));
+ ASSERT_MPN (up, n);
+ ASSERT_LIMB (vl);
+
+ shifted_vl = vl << GMP_NAIL_BITS;
+ cl = 0;
+ prev_hpl = 0;
+ do
+ {
+ ul = *up++;
+
+ umul_ppmm (hpl, lpl, ul, shifted_vl);
+ lpl >>= GMP_NAIL_BITS;
+ xw = prev_hpl + lpl + cl;
+ cl = xw >> GMP_NUMB_BITS;
+ xl = xw & GMP_NUMB_MASK;
+ *rp++ = xl;
+ prev_hpl = hpl;
+ }
+ while (--n != 0);
+
+ return prev_hpl + cl;
+}
+
+#endif