Adding upstream version 14.2.21.upstream/14.2.21upstream

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

1 files changed, 84 insertions, 0 deletions

diff --git a/src/boost/libs/multiprecision/example/tommath_snips.cpp b/src/boost/libs/multiprecision/example/tommath_snips.cpp
new file mode 100644
index 00000000..f3b817bd
--- /dev/null
+++ b/src/boost/libs/multiprecision/example/tommath_snips.cpp
@@ -0,0 +1,84 @@
+///////////////////////////////////////////////////////////////
+//  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/tommath.hpp>
+#include <iostream>
+
+void t1()
+{
+//[tommath_eg
+//=#include <boost/multiprecision/tommath.hpp>
+//=#include <iostream>
+//=
+//=int main()
+//={
+   boost::multiprecision::tom_int v = 1;
+
+   // Do some arithmetic:
+   for(unsigned i = 1; i <= 1000; ++i)
+      v *= i;
+
+   std::cout << v << std::endl; // prints 1000!
+   std::cout << std::hex << v << std::endl; // prints 1000! in hex format
+
+   try{
+      std::cout << std::hex << -v << std::endl; // Ooops! can't print a negative value in hex format!
+   }
+   catch(const std::runtime_error& e)
+   {
+      std::cout << e.what() << std::endl;
+   }
+
+   try{
+      // v is not a 2's complement type, bitwise operations are only supported
+      // on positive values:
+      v = -v & 2;
+   }
+   catch(const std::runtime_error& e)
+   {
+      std::cout << e.what() << std::endl;
+   }
+
+//=   return 0;
+//=}
+//]
+}
+
+void t3()
+{
+//[mp_rat_eg
+//=#include <boost/multiprecision/tommath.hpp>
+//=#include <iostream>
+//=
+//=int main()
+//={
+   using namespace boost::multiprecision;
+
+   tom_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;
+
+   tom_rational w(2, 3); // Component wise constructor
+   std::cout << w << std::endl; // prints 2/3
+
+//=   return 0;
+//=}
+//]
+}
+
+int main()
+{
+   t1();
+   t3();
+   return 0;
+}
+