stabilize build system: depends, installer, boost/bdb fixes, cross targets groundwork

2026-02-24 18:38:47 +00:00
parent da8c28aaeb
commit 65cb2619a7
13106 changed files with 2484322 additions and 1804 deletions
@@ -0,0 +1,79 @@
+//Copyright (c) 2008-2016 Emil Dotchevski and Reverge Studios, Inc.
+
+//Distributed under 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)
+
+#ifndef UUID_3DCF6B90AE0E11DE9A315BE555D89593
+#define UUID_3DCF6B90AE0E11DE9A315BE555D89593
+
+#include <boost/qvm/inline.hpp>
+#include <boost/qvm/mat_traits_array.hpp>
+#include <boost/qvm/static_assert.hpp>
+
+namespace
+boost
+    {
+    namespace
+    qvm
+        {
+        namespace
+        qvm_detail
+            {
+            template <int N>
+            struct
+            det_size
+                {
+                };
+
+            template <class M>
+            BOOST_QVM_INLINE_TRIVIAL
+            typename mat_traits<M>::scalar_type
+            determinant_impl_( M const & a, det_size<2> )
+                {
+                return
+                    mat_traits<M>::template read_element<0,0>(a) * mat_traits<M>::template read_element<1,1>(a) -
+                    mat_traits<M>::template read_element<1,0>(a) * mat_traits<M>::template read_element<0,1>(a);
+                }
+
+            template <class M,int N>
+            BOOST_QVM_INLINE_RECURSION
+            typename mat_traits<M>::scalar_type
+            determinant_impl_( M const & a, det_size<N> )
+                {
+                typedef typename mat_traits<M>::scalar_type T;
+                T m[N-1][N-1];
+                T det=T(0);
+                for( int j1=0; j1!=N; ++j1 )
+                    {
+                    for( int i=1; i!=N; ++i )
+                        {
+                        int j2 = 0;
+                        for( int j=0; j!=N; ++j )
+                            {
+                            if( j==j1 )
+                                continue;
+                            m[i-1][j2] = mat_traits<M>::read_element_idx(i,j,a);
+                            ++j2;
+                            }
+                        }
+                    T d=determinant_impl_(m,det_size<N-1>());
+                    if( j1&1 )
+                        d=-d;
+                    det += mat_traits<M>::read_element_idx(0,j1,a) * d;
+                    }
+                return det;
+                }
+
+            template <class M>
+            BOOST_QVM_INLINE_TRIVIAL
+            typename mat_traits<M>::scalar_type
+            determinant_impl( M const & a )
+                {
+                BOOST_QVM_STATIC_ASSERT(mat_traits<M>::rows==mat_traits<M>::cols);
+                return determinant_impl_(a,det_size<mat_traits<M>::rows>());
+                }
+            }
+        }
+    }
+
+#endif