[Boost-commit] svn:boost r77359 - in sandbox/big_number: boost/multiprecision libs/multiprecision/doc/html libs/multiprecision/example

Subject: [Boost-commit] svn:boost r77359 - in sandbox/big_number: boost/multiprecision libs/multiprecision/doc/html libs/multiprecision/example
From: john_at_[hidden]
Date: 2012-03-17 09:23:32

Author: johnmaddock
Date: 2012-03-17 09:23:32 EDT (Sat, 17 Mar 2012)
New Revision: 77359
URL: http://svn.boost.org/trac/boost/changeset/77359

Log:
Fix bug in cpp_int shown up by random number generations and change example to use it.
Text files modified: 
   sandbox/big_number/boost/multiprecision/cpp_int.hpp           |     6 ++++--                                  
   sandbox/big_number/libs/multiprecision/doc/html/index.html    |     2 +-                                      
   sandbox/big_number/libs/multiprecision/example/safe_prime.cpp |     4 ++--                                    
   3 files changed, 7 insertions(+), 5 deletions(-)

Modified: sandbox/big_number/boost/multiprecision/cpp_int.hpp
==============================================================================
--- sandbox/big_number/boost/multiprecision/cpp_int.hpp	(original)
+++ sandbox/big_number/boost/multiprecision/cpp_int.hpp	2012-03-17 09:23:32 EDT (Sat, 17 Mar 2012)
@@ -745,7 +745,9 @@
    // Nothing fancy, just let uintmax_t take the strain:
    double_limb_type carry = 0;
    unsigned m, x;
-   minmax(a.size(), b.size(), m, x);
+   unsigned as = a.size();
+   unsigned bs = b.size();
+   minmax(as, bs, m, x);
    if(x == 1)
    {
       bool s = a.sign();
@@ -759,7 +761,7 @@
    typename cpp_int_backend<MinBits, Signed, Allocator>::limb_pointer pr = result.limbs();
    typename cpp_int_backend<MinBits, Signed, Allocator>::limb_pointer pr_end = pr + m;
 
-   if(a.size() < b.size())
+   if(as < bs)
       swap(pa, pb);
    
    // First where a and b overlap:

Modified: sandbox/big_number/libs/multiprecision/doc/html/index.html
==============================================================================
--- sandbox/big_number/libs/multiprecision/doc/html/index.html	(original)
+++ sandbox/big_number/libs/multiprecision/doc/html/index.html	2012-03-17 09:23:32 EDT (Sat, 17 Mar 2012)
@@ -58,7 +58,7 @@
 </div>
 </div>
 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
-<td align="left"><p><small>Last revised: March 17, 2012 at 09:04:10 GMT</small></p></td>
+<td align="left"><p><small>Last revised: March 17, 2012 at 13:19:03 GMT</small></p></td>
 <td align="right"><div class="copyright-footer"></div></td>
 </tr></table>
 <hr>

Modified: sandbox/big_number/libs/multiprecision/example/safe_prime.cpp
==============================================================================
--- sandbox/big_number/libs/multiprecision/example/safe_prime.cpp	(original)
+++ sandbox/big_number/libs/multiprecision/example/safe_prime.cpp	2012-03-17 09:23:32 EDT (Sat, 17 Mar 2012)
@@ -5,7 +5,7 @@
 
 //[safe_prime
 
-#include <boost/multiprecision/gmp.hpp>
+#include <boost/multiprecision/cpp_int.hpp>
 #include <boost/multiprecision/miller_rabin.hpp>
 #include <iostream>
 #include <iomanip>
@@ -15,7 +15,7 @@
    using namespace boost::random;
    using namespace boost::multiprecision;
 
-   typedef mpz_int int_type;
+   typedef cpp_int int_type;
    mt11213b base_gen(clock());
    independent_bits_engine<mt11213b, 256, int_type> gen(base_gen);
    //