diff options
author | graehl <graehl@ec762483-ff6d-05da-a07a-a48fb63a330f> | 2010-08-27 23:52:20 +0000 |
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committer | graehl <graehl@ec762483-ff6d-05da-a07a-a48fb63a330f> | 2010-08-27 23:52:20 +0000 |
commit | 6df4dbd4217b6d4e863876f98876075aeaf66f30 (patch) | |
tree | 83daf157285c000886b9c66891febf58113c0710 /utils | |
parent | 04590b81a7ced69de6906616ce002d2608e77e90 (diff) |
still compiles
git-svn-id: https://ws10smt.googlecode.com/svn/trunk@627 ec762483-ff6d-05da-a07a-a48fb63a330f
Diffstat (limited to 'utils')
-rw-r--r-- | utils/d_ary_heap.h | 2 | ||||
-rwxr-xr-x | utils/value_array.h | 90 |
2 files changed, 70 insertions, 22 deletions
diff --git a/utils/d_ary_heap.h b/utils/d_ary_heap.h index da99902c..49e040d8 100644 --- a/utils/d_ary_heap.h +++ b/utils/d_ary_heap.h @@ -130,7 +130,7 @@ Equal const& equal = Equal() ) : better(better), data(), distance(distance), - index_in_heap(index_in_heap) { + index_in_heap(index_in_heap),equal(equal) { data.reserve(container_reserve); } /* Implicit copy constructor */ diff --git a/utils/value_array.h b/utils/value_array.h index f1cc2a84..3a8b3292 100755 --- a/utils/value_array.h +++ b/utils/value_array.h @@ -3,6 +3,8 @@ //TODO: option for non-constructed version (type_traits pod?), option for small array optimization (if sz < N, store inline in union, see small_vector.h) +#define DBVALUEARRAY(x) x + #include <cstdlib> #include <algorithm> #include <new> @@ -83,6 +85,7 @@ public: protected: void destroy() { + if (!array) return; // it's cool that this destroys in reverse order of construction, but why bother? for (size_type i = sz; i != 0;) A::destroy(array + --i); @@ -92,7 +95,7 @@ protected: sz=0; } void alloc(size_type s) { - array=A::allocate(sz); + array = s==0 ? 0 : A::allocate(sz); sz=s; } @@ -103,6 +106,16 @@ protected: } } + void reinit_noconstruct(size_type s) { + destroy(); + realloc(s); + } + + template <class C,class F> + inline void init_map(C & c,F const& f) { + alloc(c.size()); + copy_construct_map(c.begin(),c.end(),array,f); + } template <class C,class F> inline void init_map(C const& c,F const& f) { alloc(c.size()); @@ -119,22 +132,44 @@ protected: alloc(std::distance(itr,end)); copy_construct(itr,end,array); } - inline void init(size_type s, const_reference t = T()) { + inline void fill(const_reference t) { + for (T *i=array,*e=array+sz;i!=e;++i) + new(i) T(t); + } + inline void fill() { + for (T *i=array,*e=array+sz;i!=e;++i) + new(i) T(); + } + + inline void init(size_type s) { + sz=s; + array=s ? A::allocate(s) : 0; + fill(); + } + inline void init(size_type s, const_reference t) { sz=s; array=s ? A::allocate(s) : 0; - for (size_type i = 0; i != sz; ++i) { A::construct(array + i,t); } + fill(t); } public: - explicit ValueArray(size_type s, const_reference t = T()) + ValueArray(size_type s, const_reference t) { init(s,t); } - void reinit(size_type s, const_reference t = T()) { - clear(); - init(s,t); + explicit ValueArray(size_type s) + { + init(s); + } + void reinit(size_type s, const_reference t) { + reinit_noconstruct(s); + fill(t); + } + void reinit(size_type s) { + reinit_noconstruct(s); + fill(); } - //copy any existing data like std::vector. not A::construct exception safe. try blah blah? + //copy any existing data like std::vector. not A::construct exception safe. try blah blah? swap? void resize(size_type s, const_reference t = T()) { pointer na=A::allocate(s); size_type nc=s<sz ? s : sz; @@ -150,20 +185,27 @@ public: template <class I> void reinit(I itr, I end) { - clear(); - init_range(itr,end); + reinit_noconstruct(std::distance(itr,end)); + copy_construct(itr,end,array); } template <class I,class F> - void reinit_map(I itr,I end,F const& map) { - clear(); - init_range_map(itr,end,map); + void reinit_map(I itr,I end,F const& f) { + reinit_noconstruct(std::distance(itr,end)); + copy_construct_map(itr,end,array,f); } + // warning: std::distance is likely slow on maps,lists (anything other than random access containers. so container version below using size() will be better template <class C,class F> - void reinit_map(C const& c,F const& map) { - clear(); - init_map(c,map); + void reinit_map(C const& c,F const& f) { + reinit_noconstruct(c.size()); + copy_construct_map(c.begin(),c.end(),array,f); + } + + template <class C,class F> + void reinit_map(C & c,F const& f) { + reinit_noconstruct(c.size()); + copy_construct_map(c.begin(),c.end(),array,f); } template <class I> @@ -260,16 +302,22 @@ public: private: - template <class I1, class I2> - void copy_construct(I1 itr, I1 end, I2 into) + template <class I1> + void copy_construct(I1 itr, I1 end, T *into) { for (; itr != end; ++itr, ++into) A::construct(into,*itr); } - template <class I1, class I2,class F> - void copy_construct_map(I1 itr, I1 end, I2 into,F const& f) + //TODO: valgrind doesn't think this works. + template <class I1,class F> + void copy_construct_map(I1 itr, I1 end, T *into,F const& f) { - for (; itr != end; ++itr, ++into) A::construct(into,f(*itr)); + while ( itr != end) { + DBVALUEARRAY(assert(into<array+sz)); + A::construct(into,f(*itr)); + ++itr;++into; + } + } //friend class boost::serialization::access; public: |