Add libgmp 6.2.0 to third_party
Don't build it yet. That will come in the next review.
Change-Id: Idf3266558165e5ab45f4a41c98cc8c838c8244d5
diff --git a/third_party/gmp/mpz/cdiv_r.c b/third_party/gmp/mpz/cdiv_r.c
new file mode 100644
index 0000000..83c624a
--- /dev/null
+++ b/third_party/gmp/mpz/cdiv_r.c
@@ -0,0 +1,60 @@
+/* mpz_cdiv_r -- Division rounding the quotient towards +infinity. The
+ remainder gets the opposite sign as the denominator.
+
+Copyright 1994-1996, 2001, 2005, 2012 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-impl.h"
+
+void
+mpz_cdiv_r (mpz_ptr rem, mpz_srcptr dividend, mpz_srcptr divisor)
+{
+ mp_size_t divisor_size = SIZ (divisor);
+ mpz_t temp_divisor; /* N.B.: lives until function returns! */
+ TMP_DECL;
+
+ TMP_MARK;
+
+ /* We need the original value of the divisor after the remainder has been
+ preliminary calculated. We have to copy it to temporary space if it's
+ the same variable as REM. */
+ if (rem == divisor)
+ {
+
+ MPZ_TMP_INIT (temp_divisor, ABS (divisor_size));
+ mpz_set (temp_divisor, divisor);
+ divisor = temp_divisor;
+ }
+
+ mpz_tdiv_r (rem, dividend, divisor);
+
+ if ((divisor_size ^ SIZ (dividend)) >= 0 && SIZ (rem) != 0)
+ mpz_sub (rem, rem, divisor);
+
+ TMP_FREE;
+}