Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 75 insertions, 0 deletions

diff --git a/src/boost/libs/multiprecision/example/cpp_int_snips.cpp b/src/boost/libs/multiprecision/example/cpp_int_snips.cpp
new file mode 100644
index 00000000..4175db3f
--- /dev/null
+++ b/src/boost/libs/multiprecision/example/cpp_int_snips.cpp
@@ -0,0 +1,75 @@
+///////////////////////////////////////////////////////////////
+//  Copyright 2011 John Maddock. Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/multiprecision/cpp_int.hpp>
+#include <iostream>
+
+void t1()
+{
+//[cpp_int_eg
+//=#include <boost/multiprecision/cpp_int.hpp>
+//=#include <iostream>
+//=
+//=int main()
+//={
+   using namespace boost::multiprecision;
+
+   int128_t v = 1;
+
+   // Do some fixed precision arithmetic:
+   for(unsigned i = 1; i <= 20; ++i)
+      v *= i;
+
+   std::cout << v << std::endl; // prints 2432902008176640000 (i.e. 20!)
+
+   // Repeat at arbitrary precision:
+   cpp_int u = 1;
+   for(unsigned i = 1; i <= 100; ++i)
+      u *= i;
+   
+   // prints 93326215443944152681699238856266700490715968264381621468592963895217599993229915608941463976156518286253697920827223758251185210916864000000000000000000000000 (i.e. 100!)
+   std::cout << u << std::endl;
+
+//=   return 0;
+//=}
+//]
+}
+
+void t3()
+{
+//[cpp_rational_eg
+//=#include <boost/multiprecision/cpp_int.hpp>
+//=#include <iostream>
+//=
+//=int main()
+//={
+   using namespace boost::multiprecision;
+
+   cpp_rational v = 1;
+
+   // Do some arithmetic:
+   for(unsigned i = 1; i <= 1000; ++i)
+      v *= i;
+   v /= 10;
+
+   std::cout << v << std::endl; // prints 1000! / 10
+   std::cout << numerator(v) << std::endl;
+   std::cout << denominator(v) << std::endl;
+
+   cpp_rational w(2, 3);  // component wise constructor
+   std::cout << w << std::endl; // prints 2/3
+//=   return 0;
+//=}
+//]
+}
+
+
+int main()
+{
+   t1();
+   t3();
+   return 0;
+}
+