cpp : Added documentation
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saundersp
155
cpp/data.hpp
155
cpp/data.hpp
@ -35,10 +35,10 @@ namespace np {
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#endif
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__host__ __device__
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// #if __DEBUG
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// print("Shape created (default)");
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// #endif
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Shape(void) noexcept {
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#if __DEBUG
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printf("Shape created (default)\n");
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#endif
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}
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__host__ __device__
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@ -52,9 +52,9 @@ namespace np {
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__host__ __device__
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Shape(const std::initializer_list<size_t>& dims) noexcept : length(dims.size()), data(new size_t[dims.size()]), refcount(new size_t(1)) {
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// #if __DEBUG
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// print("Shape created (initializer)");
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// #endif
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#if __DEBUG
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printf("Shape created (initializer)\n");
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#endif
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const size_t* const begin = dims.begin();
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for(size_t i = 0; i < length; ++i){
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data[i] = begin[i];
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@ -98,9 +98,9 @@ namespace np {
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__host__ __device__
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Shape(Shape&& shape) noexcept {
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// #if __DEBUG
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// print("Shape created (move));
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// #endif
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#if __DEBUG
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printf("Shape created (move)\n");
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#endif
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if (data != nullptr && data != shape.data){
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#if __DEBUG
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printf("Former shape deleted (move)\n");
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@ -129,27 +129,27 @@ namespace np {
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__host__ __device__
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~Shape(void) noexcept {
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if(refcount == nullptr){
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// #if __DEBUG
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// print("Shape refcount freed more than once");
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// #endif
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#if __DEBUG
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printf("Shape refcount freed more than once\n");
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#endif
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return;
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}
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--(*refcount);
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// #if __DEBUG
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// printf("Shape destructed : %lu\n", *refcount);
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// #endif
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#if __DEBUG
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printf("Shape destructed : %lu\n", *refcount);
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#endif
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if(*refcount == 0){
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if (data != nullptr){
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delete[] data;
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data = nullptr;
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// #if __DEBUG
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// print("Shape freeing ...");
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// #endif
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#if __DEBUG
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printf("Shape freeing ...\n");
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#endif
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}
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//#if __DEBUG
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#if __DEBUG
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else
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printf("Shape freed more than once : %lu\n", *refcount);
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//#endif
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#endif
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delete refcount;
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refcount = nullptr;
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#if __DEBUG
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@ -191,9 +191,9 @@ namespace np {
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__host__ __device__
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Shape& operator=(Shape&& shape) noexcept {
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// #if __DEBUG
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// print("Shape created (assign move)");
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// #endif
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#if __DEBUG
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printf("Shape created (assign move)\n");
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#endif
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if (data != nullptr && data != shape.data){
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#if __DEBUG
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printf("Former shape deleted (assign move)\n");
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@ -210,6 +210,8 @@ namespace np {
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data = shape.data;
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refcount = shape.refcount;
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#if __DEBUG
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if (refcount == nullptr)
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printf("Assigned copy shape has null refcount\n");
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total = shape.total;
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shape.total = 1;
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#endif
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@ -261,37 +263,38 @@ namespace np {
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size_t* refcount = nullptr;
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__host__ __device__
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// #if __DEBUG
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// print("Array created (default)");
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Array(void) noexcept {
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#if __DEBUG
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printf("Array created (default)\n");
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#endif
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}
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__host__ __device__
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// #if __DEBUG
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// print("Array created (raw, copy shape)");
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// #endif
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Array(const Shape& shape, T* const data) noexcept : shape(shape), data(data), refcount(new size_t(1)) {
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#if __DEBUG
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printf("Array created (raw, copy shape)\n");
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#endif
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}
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__host__ __device__
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Array(const Shape& shape) noexcept : shape(shape), data(new T[np::prod(shape)]), refcount(new size_t(1)) {
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// #if __DEBUG
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// print("Array created (raw empty, copy shape)");
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// #endif
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#if __DEBUG
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printf("Array created (raw empty, copy shape)\n");
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#endif
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}
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__host__ __device__
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// #if __DEBUG
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// print("Array created (raw, move shape)");
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// #endif
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Array(Shape&& shape, T* const data) noexcept : shape(shape), data(data), refcount(new size_t(1)) {
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#if __DEBUG
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printf("Array created (raw, move shape)\n");
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#endif
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}
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__host__ __device__
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// #if __DEBUG
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// print("Array created (raw empty, move shape)");
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// #endif
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Array(Shape&& shape) noexcept : shape(shape), data(new T[np::prod(shape)]), refcount(new size_t(1)) {
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#if __DEBUG
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printf("Array created (raw empty, move shape)\n");
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#endif
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}
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__host__ __device__
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@ -323,10 +326,10 @@ namespace np {
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}
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__host__ __device__
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// #if __DEBUG
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// print("Array created (move)");
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// #endif
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Array(Array&& array) noexcept : shape(std::move(array.shape)) {
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#if __DEBUG
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printf("Array created (move)\n");
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#endif
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if (data != nullptr && data != array.data){
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#if __DEBUG
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printf("Former array deleted (move)\n");
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@ -349,22 +352,22 @@ namespace np {
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__host__ __device__
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~Array(void) noexcept {
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if(refcount == nullptr){
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// #if __DEBUG
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// print("Array refcount freed more than once");
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// #endif
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#if __DEBUG
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printf("Array refcount freed more than once\n");
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#endif
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return;
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}
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--(*refcount);
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// #if __DEBUG
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// printf("Array destructed : %lu\n", *refcount);
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// #endif
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#if __DEBUG
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printf("Array destructed : %lu\n", *refcount);
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#endif
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if(*refcount == 0){
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if (data != nullptr){
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delete[] data;
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data = nullptr;
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// #if __DEBUG
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// print("Array freeing ...");
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// #endif
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#if __DEBUG
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printf("Array freeing ...\n");
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#endif
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}
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#if __DEBUG
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else
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@ -400,16 +403,16 @@ namespace np {
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(*refcount)++;
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#if __DEBUG
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else
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#endif
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printf("Assigned array has null refcount\n");
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#endif
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return *this;
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}
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__host__ __device__
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Array& operator=(Array&& array) noexcept {
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// #if __DEBUG
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// print("Array created (assign move)");
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// #endif
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#if __DEBUG
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printf("Array created (assign move)\n");
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#endif
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if (data != nullptr && data != array.data){
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#if __DEBUG
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printf("Former array deleted (assign move)\n");
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@ -786,48 +789,6 @@ static size_t as_partition(const T* const a, uint16_t* const indices, const size
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return i;
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}
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template<typename T>
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void argsort(const T* const a, uint16_t* const indices, const size_t& l, const size_t& h) noexcept {
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const size_t total = h - l + 1;
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size_t* const stack = new size_t[total]{l, h};
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size_t top = 1, low = l, high = h;
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while (top <= total) {
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high = stack[top--];
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low = stack[top--];
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if(low >= high)
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break;
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const size_t p = as_partition(a, indices, low, high);
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if (p - 1 > low && p - 1 < total) {
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stack[++top] = low;
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stack[++top] = p - 1;
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}
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if (p + 1 < high) {
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stack[++top] = p + 1;
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stack[++top] = high;
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}
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}
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delete[] stack;
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}
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template<typename T>
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np::Array<uint16_t> argsort(const np::Array<T>& other, const size_t& l, const size_t& h) noexcept {
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np::Array<uint16_t> indices = np::empty(other.shape);
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map(indices, [](const size_t& i, const uint16_t&) -> uint16_t { return i; });
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argsort(other, indices, l, h);
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return indices;
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}
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template<typename T>
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np::Array<uint16_t> argsort(const np::Array<T>* const other, const size_t& length) noexcept {
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return argsort(other, 0, length - 1);
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}
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std::array<np::Array<uint8_t>, 4> load_datasets(void);
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void print_error_file(const char* const) noexcept;
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@ -838,10 +799,10 @@ void save(const np::Array<T>& d, const char* const filename) {
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print_error_file(filename);
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throw;
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}
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assert(d.shape.refcount != 0);//, "Refcount shape is zero !!");
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assert(d.shape.refcount != 0);
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fwrite(&d.shape.length, sizeof(size_t), 1, output);
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fwrite(d.shape.data, sizeof(size_t), d.shape.length, output);
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assert(d.refcount != 0);//, "Refcount array is zero !!");
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assert(d.refcount != 0);
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fwrite(d.data, sizeof(T), np::prod(d.shape), output);
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fclose(output);
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}
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