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/tests/cxx/t-ops.cc b/third_party/gmp/tests/cxx/t-ops.cc
new file mode 100644
index 0000000..ecc6bd0
--- /dev/null
+++ b/third_party/gmp/tests/cxx/t-ops.cc
@@ -0,0 +1,753 @@
+/* Test mp*_class operators and functions.
+
+Copyright 2001-2003, 2015 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library test suite.
+
+The GNU MP Library test suite is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 3 of the License,
+or (at your option) any later version.
+
+The GNU MP Library test suite 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 a copy of the GNU General Public License along with
+the GNU MP Library test suite.  If not, see https://www.gnu.org/licenses/.  */
+
+#include "config.h"
+
+#include <iostream>
+
+#include "gmpxx.h"
+#include "gmp-impl.h"
+#include "tests.h"
+
+using namespace std;
+
+
+void
+check_mpz (void)
+{
+  // unary operators and functions
+
+  // operator+
+  {
+    mpz_class a(1);
+    mpz_class b;
+    b = +a; ASSERT_ALWAYS(b == 1);
+  }
+
+  // operator-
+  {
+    mpz_class a(2);
+    mpz_class b;
+    b = -a; ASSERT_ALWAYS(b == -2);
+  }
+
+  // operator~
+  {
+    mpz_class a(3);
+    mpz_class b;
+    b = ~a; ASSERT_ALWAYS(b == -4);
+  }
+
+  // abs
+  {
+    mpz_class a(-123);
+    mpz_class b;
+    b = abs(a); ASSERT_ALWAYS(b == 123);
+    a <<= 300;
+    b = abs(a); ASSERT_ALWAYS(a + b == 0);
+  }
+
+  // sqrt
+  {
+    mpz_class a(25);
+    mpz_class b;
+    b = sqrt(a); ASSERT_ALWAYS(b == 5);
+  }
+  {
+    mpz_class a(125);
+    mpz_class b;
+    b = sqrt(a); ASSERT_ALWAYS(b == 11); // round toward zero
+  }
+
+  // sgn
+  {
+    mpz_class a(123);
+    int b = sgn(a); ASSERT_ALWAYS(b == 1);
+  }
+  {
+    mpz_class a(0);
+    int b = sgn(a); ASSERT_ALWAYS(b == 0);
+  }
+  {
+    mpz_class a(-123);
+    int b = sgn(a); ASSERT_ALWAYS(b == -1);
+  }
+
+
+  // binary operators and functions
+
+  // operator+
+  {
+    mpz_class a(1), b(2);
+    mpz_class c;
+    c = a + b; ASSERT_ALWAYS(c == 3);
+  }
+  {
+    mpz_class a(3);
+    signed int b = 4;
+    mpz_class c;
+    c = a + b; ASSERT_ALWAYS(c == 7);
+  }
+  {
+    mpz_class a(5);
+    double b = 6.0;
+    mpz_class c;
+    c = b + a; ASSERT_ALWAYS(c == 11);
+  }
+
+  // operator-
+  {
+    mpz_class a(3), b(6);
+    mpz_class c;
+    c = a - b; ASSERT_ALWAYS(c == -3);
+  }
+
+  // operator*
+  {
+    mpz_class a(-2), b(4);
+    mpz_class c;
+    c = a * b; ASSERT_ALWAYS(c == -8);
+  }
+  {
+    mpz_class a(2);
+    long b = -4;
+    mpz_class c;
+    c = a * b; ASSERT_ALWAYS(c == -8);
+    c = b * a; ASSERT_ALWAYS(c == -8);
+  }
+  {
+    mpz_class a(-2);
+    unsigned long b = 4;
+    mpz_class c;
+    c = a * b; ASSERT_ALWAYS(c == -8);
+    c = b * a; ASSERT_ALWAYS(c == -8);
+  }
+
+  // operator/ and operator%
+  {
+    mpz_class a(12), b(4);
+    mpz_class c;
+    c = a / b; ASSERT_ALWAYS(c == 3);
+    c = a % b; ASSERT_ALWAYS(c == 0);
+  }
+  {
+    mpz_class a(7), b(5);
+    mpz_class c;
+    c = a / b; ASSERT_ALWAYS(c == 1);
+    c = a % b; ASSERT_ALWAYS(c == 2);
+  }
+  {
+    mpz_class a(-10);
+    signed int ai = -10;
+    mpz_class b(3);
+    signed int bi = 3;
+    mpz_class c;
+    c = a / b;  ASSERT_ALWAYS(c == -3);
+    c = a % b;  ASSERT_ALWAYS(c == -1);
+    c = a / bi; ASSERT_ALWAYS(c == -3);
+    c = a % bi; ASSERT_ALWAYS(c == -1);
+    c = ai / b; ASSERT_ALWAYS(c == -3);
+    c = ai % b; ASSERT_ALWAYS(c == -1);
+  }
+  {
+    mpz_class a(-10);
+    signed int ai = -10;
+    mpz_class b(-3);
+    signed int bi = -3;
+    mpz_class c;
+    c = a / b;  ASSERT_ALWAYS(c == 3);
+    c = a % b;  ASSERT_ALWAYS(c == -1);
+    c = a / bi; ASSERT_ALWAYS(c == 3);
+    c = a % bi; ASSERT_ALWAYS(c == -1);
+    c = ai / b; ASSERT_ALWAYS(c == 3);
+    c = ai % b; ASSERT_ALWAYS(c == -1);
+  }
+  {
+    mpz_class a (LONG_MIN);
+    signed long ai = LONG_MIN;
+    mpz_class b = - mpz_class (LONG_MIN);
+    mpz_class c;
+    c = a / b;  ASSERT_ALWAYS(c == -1);
+    c = a % b;  ASSERT_ALWAYS(c == 0);
+    c = ai / b; ASSERT_ALWAYS(c == -1);
+    c = ai % b; ASSERT_ALWAYS(c == 0);
+  }
+
+  // operator&
+  // operator|
+  // operator^
+
+  // operator<<
+  {
+    mpz_class a(3);
+    unsigned int b = 4;
+    mpz_class c;
+    c = a << b; ASSERT_ALWAYS(c == 48);
+  }
+
+  // operator>>
+  {
+    mpz_class a(127);
+    unsigned int b = 4;
+    mpz_class c;
+    c = a >> b; ASSERT_ALWAYS(c == 7);
+  }
+
+  // operator==
+  // operator!=
+  // operator<
+  // operator<=
+  // operator>
+  // operator>=
+
+  // cmp
+  {
+    mpz_class a(123), b(45);
+    int c;
+    c = cmp(a, b); ASSERT_ALWAYS(c > 0);
+    c = cmp(b, a); ASSERT_ALWAYS(c < 0);
+  }
+  {
+    mpz_class a(123);
+    unsigned long b = 45;
+    int c;
+    c = cmp(a, b); ASSERT_ALWAYS(c > 0);
+    c = cmp(b, a); ASSERT_ALWAYS(c < 0);
+  }
+  {
+    mpz_class a(123);
+    long b = 45;
+    int c;
+    c = cmp(a, b); ASSERT_ALWAYS(c > 0);
+    c = cmp(b, a); ASSERT_ALWAYS(c < 0);
+  }
+  {
+    mpz_class a(123);
+    double b = 45;
+    int c;
+    c = cmp(a, b); ASSERT_ALWAYS(c > 0);
+    c = cmp(b, a); ASSERT_ALWAYS(c < 0);
+  }
+
+
+  // ternary operators
+
+  // mpz_addmul
+  {
+    mpz_class a(1), b(2), c(3);
+    mpz_class d;
+    d = a + b * c; ASSERT_ALWAYS(d == 7);
+  }
+  {
+    mpz_class a(1), b(2);
+    unsigned int c = 3;
+    mpz_class d;
+    d = a + b * c; ASSERT_ALWAYS(d == 7);
+  }
+  {
+    mpz_class a(1), b(3);
+    unsigned int c = 2;
+    mpz_class d;
+    d = a + c * b; ASSERT_ALWAYS(d == 7);
+  }
+  {
+    mpz_class a(1), b(2);
+    signed int c = 3;
+    mpz_class d;
+    d = a + b * c; ASSERT_ALWAYS(d == 7);
+  }
+  {
+    mpz_class a(1), b(3);
+    signed int c = 2;
+    mpz_class d;
+    d = a + c * b; ASSERT_ALWAYS(d == 7);
+  }
+  {
+    mpz_class a(1), b(2);
+    double c = 3.0;
+    mpz_class d;
+    d = a + b * c; ASSERT_ALWAYS(d == 7);
+  }
+  {
+    mpz_class a(1), b(3);
+    double c = 2.0;
+    mpz_class d;
+    d = a + c * b; ASSERT_ALWAYS(d == 7);
+  }
+
+  {
+    mpz_class a(2), b(3), c(4);
+    mpz_class d;
+    d = a * b + c; ASSERT_ALWAYS(d == 10);
+  }
+  {
+    mpz_class a(2), b(4);
+    unsigned int c = 3;
+    mpz_class d;
+    d = a * c + b; ASSERT_ALWAYS(d == 10);
+  }
+  {
+    mpz_class a(3), b(4);
+    unsigned int c = 2;
+    mpz_class d;
+    d = c * a + b; ASSERT_ALWAYS(d == 10);
+  }
+  {
+    mpz_class a(2), b(4);
+    signed int c = 3;
+    mpz_class d;
+    d = a * c + b; ASSERT_ALWAYS(d == 10);
+  }
+  {
+    mpz_class a(3), b(4);
+    signed int c = 2;
+    mpz_class d;
+    d = c * a + b; ASSERT_ALWAYS(d == 10);
+  }
+  {
+    mpz_class a(2), b(4);
+    double c = 3.0;
+    mpz_class d;
+    d = a * c + b; ASSERT_ALWAYS(d == 10);
+  }
+  {
+    mpz_class a(3), b(4);
+    double c = 2.0;
+    mpz_class d;
+    d = c * a + b; ASSERT_ALWAYS(d == 10);
+  }
+
+  // mpz_submul
+  {
+    mpz_class a(1), b(2), c(3);
+    mpz_class d;
+    d = a - b * c; ASSERT_ALWAYS(d == -5);
+  }
+  {
+    mpz_class a(1), b(2);
+    unsigned int c = 3;
+    mpz_class d;
+    d = a - b * c; ASSERT_ALWAYS(d == -5);
+  }
+  {
+    mpz_class a(1), b(3);
+    unsigned int c = 2;
+    mpz_class d;
+    d = a - c * b; ASSERT_ALWAYS(d == -5);
+  }
+  {
+    mpz_class a(1), b(2);
+    signed int c = 3;
+    mpz_class d;
+    d = a - b * c; ASSERT_ALWAYS(d == -5);
+  }
+  {
+    mpz_class a(1), b(3);
+    signed int c = 2;
+    mpz_class d;
+    d = a - c * b; ASSERT_ALWAYS(d == -5);
+  }
+  {
+    mpz_class a(1), b(2);
+    double c = 3.0;
+    mpz_class d;
+    d = a - b * c; ASSERT_ALWAYS(d == -5);
+  }
+  {
+    mpz_class a(1), b(3);
+    double c = 2.0;
+    mpz_class d;
+    d = a - c * b; ASSERT_ALWAYS(d == -5);
+  }
+
+  {
+    mpz_class a(2), b(3), c(4);
+    mpz_class d;
+    d = a * b - c; ASSERT_ALWAYS(d == 2);
+  }
+  {
+    mpz_class a(2), b(4);
+    unsigned int c = 3;
+    mpz_class d;
+    d = a * c - b; ASSERT_ALWAYS(d == 2);
+  }
+  {
+    mpz_class a(3), b(4);
+    unsigned int c = 2;
+    mpz_class d;
+    d = c * a - b; ASSERT_ALWAYS(d == 2);
+  }
+  {
+    mpz_class a(2), b(4);
+    signed int c = 3;
+    mpz_class d;
+    d = a * c - b; ASSERT_ALWAYS(d == 2);
+  }
+  {
+    mpz_class a(3), b(4);
+    signed int c = 2;
+    mpz_class d;
+    d = c * a - b; ASSERT_ALWAYS(d == 2);
+  }
+  {
+    mpz_class a(2), b(4);
+    double c = 3.0;
+    mpz_class d;
+    d = a * c - b; ASSERT_ALWAYS(d == 2);
+  }
+  {
+    mpz_class a(3), b(4);
+    double c = 2.0;
+    mpz_class d;
+    d = c * a - b; ASSERT_ALWAYS(d == 2);
+  }
+}
+
+void
+check_mpq (void)
+{
+  // unary operators and functions
+
+  // operator+
+  {
+    mpq_class a(1, 2);
+    mpq_class b;
+    b = +a; ASSERT_ALWAYS(b == 0.5);
+  }
+
+  // operator-
+  {
+    mpq_class a(3, 4);
+    mpq_class b;
+    b = -a; ASSERT_ALWAYS(b == -0.75);
+  }
+
+  // abs
+  {
+    mpq_class a(-123);
+    mpq_class b;
+    b = abs(a); ASSERT_ALWAYS(b == 123);
+  }
+
+  // sgn
+  {
+    mpq_class a(123);
+    int b = sgn(a); ASSERT_ALWAYS(b == 1);
+  }
+  {
+    mpq_class a(0);
+    int b = sgn(a); ASSERT_ALWAYS(b == 0);
+  }
+  {
+    mpq_class a(-123);
+    int b = sgn(a); ASSERT_ALWAYS(b == -1);
+  }
+
+
+  // binary operators and functions
+
+  // operator+
+  {
+    mpq_class a(1, 2), b(3, 4);
+    mpq_class c;
+    c = a + b; ASSERT_ALWAYS(c == 1.25);
+  }
+  {
+    mpq_class a(1, 2);
+    signed int b = 2;
+    mpq_class c;
+    c = a + b; ASSERT_ALWAYS(c == 2.5);
+  }
+  {
+    mpq_class a(1, 2);
+    double b = 1.5;
+    mpq_class c;
+    c = b + a; ASSERT_ALWAYS(c == 2);
+  }
+
+  // operator-
+  {
+    mpq_class a(1, 2), b(3, 4);
+    mpq_class c;
+    c = a - b; ASSERT_ALWAYS(c == -0.25);
+  }
+
+  // operator*
+  {
+    mpq_class a(1, 3), b(3, 4);
+    mpq_class c;
+    c = a * b; ASSERT_ALWAYS(c == 0.25);
+    c = b * b; ASSERT_ALWAYS(c == 0.5625);
+  }
+
+  // operator/
+  {
+    mpq_class a(1, 2), b(2, 3);
+    mpq_class c;
+    c = a / b; ASSERT_ALWAYS(c == 0.75);
+  }
+  {
+    mpq_class one = 1;
+    mpq_class x(2, 5);
+    ASSERT_ALWAYS(1 / x == one / x);
+    ASSERT_ALWAYS(1u / x == one / x);
+    x = (-1) / x;
+    ASSERT_ALWAYS(x == -2.5);
+    ASSERT_ALWAYS(0 / x == 0);
+    ASSERT_ALWAYS(0u / x == 0);
+  }
+
+  // operator<<
+  // operator>>
+  // operator==
+  // operator!=
+  // operator<
+  // operator<=
+  // operator>
+  // operator>=
+
+  // cmp
+  {
+    mpq_class a(123), b(45);
+    int c;
+    c = cmp(a, b); ASSERT_ALWAYS(c > 0);
+    c = cmp(b, a); ASSERT_ALWAYS(c < 0);
+  }
+  {
+    mpq_class a(123);
+    unsigned long b = 45;
+    int c;
+    c = cmp(a, b); ASSERT_ALWAYS(c > 0);
+    c = cmp(b, a); ASSERT_ALWAYS(c < 0);
+  }
+  {
+    mpq_class a(123);
+    long b = 45;
+    int c;
+    c = cmp(a, b); ASSERT_ALWAYS(c > 0);
+    c = cmp(b, a); ASSERT_ALWAYS(c < 0);
+  }
+  {
+    mpq_class a(123);
+    double b = 45;
+    int c;
+    c = cmp(a, b); ASSERT_ALWAYS(c > 0);
+    c = cmp(b, a); ASSERT_ALWAYS(c < 0);
+  }
+  {
+    mpq_class a(123);
+    mpz_class b(45);
+    int c;
+    c = cmp(a, b); ASSERT_ALWAYS(c > 0);
+    c = cmp(b, a); ASSERT_ALWAYS(c < 0);
+  }
+}
+
+void
+check_mpf (void)
+{
+  // unary operators and functions
+
+  // operator+
+  {
+    mpf_class a(1);
+    mpf_class b;
+    b = +a; ASSERT_ALWAYS(b == 1);
+  }
+
+  // operator-
+  {
+    mpf_class a(2);
+    mpf_class b;
+    b = -a; ASSERT_ALWAYS(b == -2);
+  }
+
+  // abs
+  {
+    mpf_class a(-123);
+    mpf_class b;
+    b = abs(a); ASSERT_ALWAYS(b == 123);
+  }
+
+  // trunc
+  {
+    mpf_class a(1.5);
+    mpf_class b;
+    b = trunc(a); ASSERT_ALWAYS(b == 1);
+  }
+  {
+    mpf_class a(-1.5);
+    mpf_class b;
+    b = trunc(a); ASSERT_ALWAYS(b == -1);
+  }
+
+  // floor
+  {
+    mpf_class a(1.9);
+    mpf_class b;
+    b = floor(a); ASSERT_ALWAYS(b == 1);
+  }
+  {
+    mpf_class a(-1.1);
+    mpf_class b;
+    b = floor(a); ASSERT_ALWAYS(b == -2);
+  }
+
+  // ceil
+  {
+    mpf_class a(1.1);
+    mpf_class b;
+    b = ceil(a); ASSERT_ALWAYS(b == 2);
+  }
+  {
+    mpf_class a(-1.9);
+    mpf_class b;
+    b = ceil(a); ASSERT_ALWAYS(b == -1);
+  }
+
+  // sqrt
+  {
+    mpf_class a(25);
+    mpf_class b;
+    b = sqrt(a); ASSERT_ALWAYS(b == 5);
+  }
+  {
+    mpf_class a(2.25);
+    mpf_class b;
+    b = sqrt(a); ASSERT_ALWAYS(b == 1.5);
+  }
+
+  // sgn
+  {
+    mpf_class a(123);
+    int b = sgn(a); ASSERT_ALWAYS(b == 1);
+  }
+  {
+    mpf_class a(0);
+    int b = sgn(a); ASSERT_ALWAYS(b == 0);
+  }
+  {
+    mpf_class a(-123);
+    int b = sgn(a); ASSERT_ALWAYS(b == -1);
+  }
+
+
+  // binary operators and functions
+
+  // operator+
+  {
+    mpf_class a(1), b(2);
+    mpf_class c;
+    c = a + b; ASSERT_ALWAYS(c == 3);
+  }
+
+  // operator-
+  {
+    mpf_class a(3), b(4);
+    mpf_class c;
+    c = a - b; ASSERT_ALWAYS(c == -1);
+  }
+
+  // operator*
+  {
+    mpf_class a(2), b(5);
+    mpf_class c;
+    c = a * b; ASSERT_ALWAYS(c == 10);
+  }
+
+  // operator/
+  {
+    mpf_class a(7), b(4);
+    mpf_class c;
+    c = a / b; ASSERT_ALWAYS(c == 1.75);
+  }
+
+  // operator<<
+  // operator>>
+  // operator==
+  // operator!=
+  // operator<
+  // operator<=
+  // operator>
+  // operator>=
+
+  // hypot
+  {
+    mpf_class a(3), b(4);
+    mpf_class c;
+    c = hypot(a, b); ASSERT_ALWAYS(c == 5);
+  }
+
+  // cmp
+  {
+    mpf_class a(123), b(45);
+    int c;
+    c = cmp(a, b); ASSERT_ALWAYS(c > 0);
+    c = cmp(b, a); ASSERT_ALWAYS(c < 0);
+  }
+  {
+    mpf_class a(123);
+    unsigned long b = 45;
+    int c;
+    c = cmp(a, b); ASSERT_ALWAYS(c > 0);
+    c = cmp(b, a); ASSERT_ALWAYS(c < 0);
+  }
+  {
+    mpf_class a(123);
+    long b = 45;
+    int c;
+    c = cmp(a, b); ASSERT_ALWAYS(c > 0);
+    c = cmp(b, a); ASSERT_ALWAYS(c < 0);
+  }
+  {
+    mpf_class a(123);
+    double b = 45;
+    int c;
+    c = cmp(a, b); ASSERT_ALWAYS(c > 0);
+    c = cmp(b, a); ASSERT_ALWAYS(c < 0);
+  }
+  {
+    mpf_class a(123);
+    mpz_class b(45);
+    int c;
+    c = cmp(a, b); ASSERT_ALWAYS(c > 0);
+    c = cmp(b, a); ASSERT_ALWAYS(c < 0);
+  }
+  {
+    mpf_class a(123);
+    mpq_class b(45);
+    int c;
+    c = cmp(a, b); ASSERT_ALWAYS(c > 0);
+    c = cmp(b, a); ASSERT_ALWAYS(c < 0);
+  }
+}
+
+
+int
+main (void)
+{
+  tests_start();
+
+  check_mpz();
+  check_mpq();
+  check_mpf();
+
+  tests_end();
+  return 0;
+}