[Boost-commit] svn:boost r75287 - in sandbox/multiprecision/libs/multiprecision/example/factorial_examples: . factorial_example factorial_example_inc_src

Subject: [Boost-commit] svn:boost r75287 - in sandbox/multiprecision/libs/multiprecision/example/factorial_examples: . factorial_example factorial_example_inc_src
From: pbristow_at_[hidden]
Date: 2011-11-03 13:41:31

Author: pbristow
Date: 2011-11-03 13:41:31 EDT (Thu, 03 Nov 2011)
New Revision: 75287
URL: http://svn.boost.org/trac/boost/changeset/75287

Log:
Factorial examples
Added:
   sandbox/multiprecision/libs/multiprecision/example/factorial_examples/
   sandbox/multiprecision/libs/multiprecision/example/factorial_examples/factorial_example/
   sandbox/multiprecision/libs/multiprecision/example/factorial_examples/factorial_example/factorial_example.cpp   (contents, props changed)
   sandbox/multiprecision/libs/multiprecision/example/factorial_examples/factorial_example_inc_src/
   sandbox/multiprecision/libs/multiprecision/example/factorial_examples/factorial_example_inc_src/factorial_example_inc_src.cpp   (contents, props changed)

Added: sandbox/multiprecision/libs/multiprecision/example/factorial_examples/factorial_example/factorial_example.cpp
==============================================================================
--- (empty file)
+++ sandbox/multiprecision/libs/multiprecision/example/factorial_examples/factorial_example/factorial_example.cpp	2011-11-03 13:41:31 EDT (Thu, 03 Nov 2011)
@@ -0,0 +1,85 @@
+
+// Use, modification and distribution are subject to the
+// Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt
+// or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+// Copyright Ronald Garcia 2002.
+// Copyright Paul A. Bristow 2011.
+
+#include <iostream>
+
+#include <boost/multiprecision/mp_float.hpp>
+
+int main()
+{
+  using std::cout;
+  using std::endl;
+  using std::hex;
+  using std::dec; 
+
+using boost::multiprecision::mp_float;
+
+  cout.precision(std::numeric_limits<mp_float>::max_digits10);
+  // Show all potentially significant digits (default 50).
+
+  // Calculate 42 factorial aka 42!
+  mp_float value;
+  value = 1;
+  for(int i = 1; i <= 42; ++i)
+  {
+    value *= i;
+    cout << i << "! = " << value << endl;
+  }
+
+  return 0;
+} // int main()
+
+
+/*
+
+ factorial_example.vcxproj -> I:\boost-sandbox\multiprecision\libs\multiprecision\build\Release\factorial_example.exe
+  1! = 1
+  2! = 2
+  3! = 6
+  4! = 24
+  5! = 120
+  6! = 720
+  7! = 5040
+  8! = 40320
+  9! = 362880
+  10! = 3628800
+  11! = 39916800
+  12! = 479001600
+  13! = 6227020800
+  14! = 87178291200
+  15! = 1307674368000
+  16! = 20922789888000
+  17! = 355687428096000
+  18! = 6402373705728000
+  19! = 121645100408832000
+  20! = 2432902008176640000
+  21! = 51090942171709440000
+  22! = 1124000727777607680000
+  23! = 25852016738884976640000
+  24! = 620448401733239439360000
+  25! = 15511210043330985984000000
+  26! = 403291461126605635584000000
+  27! = 10888869450418352160768000000
+  28! = 304888344611713860501504000000
+  29! = 8841761993739701954543616000000
+  30! = 265252859812191058636308480000000
+  31! = 8222838654177922817725562880000000
+  32! = 263130836933693530167218012160000000
+  33! = 8683317618811886495518194401280000000
+  34! = 295232799039604140847618609643520000000
+  35! = 10333147966386144929666651337523200000000
+  36! = 371993326789901217467999448150835200000000
+  37! = 13763753091226345046315979581580902400000000
+  38! = 523022617466601111760007224100074291200000000
+  39! = 20397882081197443358640281739902897356800000000
+  40! = 815915283247897734345611269596115894272000000000
+  41! = 33452526613163807108170062053440751665152000000000
+  42! = 1.405006117752879898543142606244511569936384e+051
+
+*/

Added: sandbox/multiprecision/libs/multiprecision/example/factorial_examples/factorial_example_inc_src/factorial_example_inc_src.cpp
==============================================================================
--- (empty file)
+++ sandbox/multiprecision/libs/multiprecision/example/factorial_examples/factorial_example_inc_src/factorial_example_inc_src.cpp	2011-11-03 13:41:31 EDT (Thu, 03 Nov 2011)
@@ -0,0 +1,100 @@
+
+// Use, modification and distribution are subject to the
+// Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt
+// or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+// Copyright Ronald Garcia 2002.
+// Copyright Paul A. Bristow 2011.
+
+#include <iostream>
+
+#define BOOST_MULTIPRECISION_BACKEND_MP_FLOAT_TYPE_EFX
+
+#include <boost/multiprecision/mp_float.hpp>
+#include <boost/multiprecision/mp_float_functions.hpp>
+
+//#include <boost/multiprecision/mp_float_inc_src.hpp> // contains the source .cpp files below.
+
+#include <libs/multiprecision/src/backends/float/mp_float.cpp>
+#include <libs/multiprecision/src/backends/float/mp_float_base.cpp>
+#include <libs/multiprecision/src/backends/float/efx/mp_float_efx.cpp>
+
+#include <libs/multiprecision/src/functions/constants/constants.cpp>
+#include <libs/multiprecision/src/functions/elementary/elementary_complex.cpp>
+#include <libs/multiprecision/src/functions/elementary/elementary_hyper_g.cpp>
+#include <libs/multiprecision/src/functions/elementary/elementary_math.cpp>
+#include <libs/multiprecision/src/functions/elementary/elementary_trans.cpp>
+#include <libs/multiprecision/src/functions/elementary/elementary_trig.cpp>
+
+int main()
+{
+  using std::cout;
+  using std::endl;
+  
+  using boost::multiprecision::mp_float;
+
+  cout.precision(std::numeric_limits<mp_float>::max_digits10);
+  // Show all potentially significant digits (default 50).
+
+  // 42 factorial = 42!
+  mp_float value;
+  value = 1;
+  for(int i = 1; i <= 42; ++i)
+  {
+    value *= i;
+    cout << i << "! = " << value << endl;
+  }
+
+  return 0;
+} // int main()
+
+
+/*
+
+Output:
+
+factorial_example_inc_src.vcxproj -> I:\boost-sandbox\multiprecision\libs\multiprecision\build\Release\factorial_example_inc_src.exe
+  1! = 1
+  2! = 2
+  3! = 6
+  4! = 24
+  5! = 120
+  6! = 720
+  7! = 5040
+  8! = 40320
+  9! = 362880
+  10! = 3628800
+  11! = 39916800
+  12! = 479001600
+  13! = 6227020800
+  14! = 87178291200
+  15! = 1307674368000
+  16! = 20922789888000
+  17! = 355687428096000
+  18! = 6402373705728000
+  19! = 121645100408832000
+  20! = 2432902008176640000
+  21! = 51090942171709440000
+  22! = 1124000727777607680000
+  23! = 25852016738884976640000
+  24! = 620448401733239439360000
+  25! = 15511210043330985984000000
+  26! = 403291461126605635584000000
+  27! = 10888869450418352160768000000
+  28! = 304888344611713860501504000000
+  29! = 8841761993739701954543616000000
+  30! = 265252859812191058636308480000000
+  31! = 8222838654177922817725562880000000
+  32! = 263130836933693530167218012160000000
+  33! = 8683317618811886495518194401280000000
+  34! = 295232799039604140847618609643520000000
+  35! = 10333147966386144929666651337523200000000
+  36! = 371993326789901217467999448150835200000000
+  37! = 13763753091226345046315979581580902400000000
+  38! = 523022617466601111760007224100074291200000000
+  39! = 20397882081197443358640281739902897356800000000
+  40! = 815915283247897734345611269596115894272000000000
+  41! = 33452526613163807108170062053440751665152000000000
+  42! = 1.405006117752879898543142606244511569936384e+051
+*/