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Diffstat (limited to 'Build/source/libs/gmp/gmp-6.0.0/mpz/cmp_ui.c')
-rw-r--r--Build/source/libs/gmp/gmp-6.0.0/mpz/cmp_ui.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/Build/source/libs/gmp/gmp-6.0.0/mpz/cmp_ui.c b/Build/source/libs/gmp/gmp-6.0.0/mpz/cmp_ui.c
new file mode 100644
index 00000000000..790d8241d68
--- /dev/null
+++ b/Build/source/libs/gmp/gmp-6.0.0/mpz/cmp_ui.c
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+/* mpz_cmp_ui.c -- Compare a mpz_t a with an mp_limb_t b. Return positive,
+ zero, or negative based on if a > b, a == b, or a < b.
+
+Copyright 1991, 1993-1996, 2001, 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"
+
+int
+_mpz_cmp_ui (mpz_srcptr u, unsigned long int v_digit) __GMP_NOTHROW
+{
+ mp_ptr up;
+ mp_size_t un;
+ mp_limb_t ul;
+
+ up = PTR(u);
+ un = SIZ(u);
+
+ if (un == 0)
+ return -(v_digit != 0);
+
+ if (un == 1)
+ {
+ ul = up[0];
+ if (ul > v_digit)
+ return 1;
+ if (ul < v_digit)
+ return -1;
+ return 0;
+ }
+
+#if GMP_NAIL_BITS != 0
+ if (v_digit > GMP_NUMB_MAX)
+ {
+ if (un == 2)
+ {
+ ul = up[0] + (up[1] << GMP_NUMB_BITS);
+
+ if ((up[1] >> GMP_NAIL_BITS) != 0)
+ return 1;
+
+ if (ul > v_digit)
+ return 1;
+ if (ul < v_digit)
+ return -1;
+ return 0;
+ }
+ }
+#endif
+
+ return un > 0 ? 1 : -1;
+}