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C++ Mathematical Expression Library (ExprTk) https://www.partow.net/programming/exprtk/index.html

This commit is contained in:
Arash Partow 2016-09-26 19:16:08 +10:00
parent 7bc2b30e8f
commit 9cd9e02570
1 changed files with 69 additions and 58 deletions
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127
exprtk.hpp
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@ -4270,12 +4270,19 @@ namespace exprtk
} }
#ifdef exprtk_enable_debugging #ifdef exprtk_enable_debugging
inline void dump_ptr(const std::string& s, const void* ptr) inline void dump_ptr(const std::string& s, const void* ptr, const std::size_t size = 0)
{ {
exprtk_debug(("%s - addr: %p\n",s.c_str(),ptr)); if (size)
exprtk_debug(("%s - addr: %p\n",s.c_str(),ptr));
else
exprtk_debug(("%s - addr: %p size: %d\n",
s.c_str(),
ptr,
static_cast<unsigned int>(size)));
} }
#else #else
inline void dump_ptr(const std::string&, const void*) {} inline void dump_ptr(const std::string&, const void*) {}
inline void dump_ptr(const std::string&, const void*, const std::size_t) {}
#endif #endif
template <typename T> template <typename T>
@ -4294,7 +4301,7 @@ namespace exprtk
: ref_count(1), : ref_count(1),
size (0), size (0),
data (0), data (0),
destruct (false) destruct (true)
{} {}
control_block(const std::size_t& dsize) control_block(const std::size_t& dsize)
@ -4365,7 +4372,7 @@ namespace exprtk
destruct = true; destruct = true;
data = new T[size]; data = new T[size];
std::fill_n(data,size,T(0)); std::fill_n(data,size,T(0));
dump_ptr("control_block::create_data() - data: ",data); dump_ptr("control_block::create_data() - data",data,size);
} }
}; };
@ -4375,8 +4382,12 @@ namespace exprtk
: control_block_(control_block::create(0)) : control_block_(control_block::create(0))
{} {}
vec_data_store(const std::size_t& size, data_t data = data_t(0), bool dstrct = false) vec_data_store(const std::size_t& size)
: control_block_(control_block::create(size,data,dstrct)) : control_block_(control_block::create(size,(data_t)(0),true))
{}
vec_data_store(const std::size_t& size, data_t data, bool dstrct = false)
: control_block_(control_block::create(size, data, dstrct))
{} {}
vec_data_store(const type& vds) vec_data_store(const type& vds)
@ -4396,11 +4407,16 @@ namespace exprtk
{ {
std::size_t final_size = min_size(control_block_, vds.control_block_); std::size_t final_size = min_size(control_block_, vds.control_block_);
control_block::destroy(control_block_); vds.control_block_->size = final_size;
control_block_->size = final_size;
control_block_ = vds.control_block_; if (control_block_->destruct || (0 == control_block_->data))
control_block_->ref_count++; {
control_block_->size = final_size; control_block::destroy(control_block_);
control_block_ = vds.control_block_;
control_block_->ref_count++;
}
} }
return *this; return *this;
@ -6627,7 +6643,7 @@ namespace exprtk
virtual vector_node_ptr vec() const = 0; virtual vector_node_ptr vec() const = 0;
virtual vector_node_ptr vec() = 0; virtual vector_node_ptr vec() = 0;
virtual vds_t& vds () = 0; virtual vds_t& vds () = 0;
@ -6649,10 +6665,10 @@ namespace exprtk
vector_node(vector_holder_t* vh) vector_node(vector_holder_t* vh)
: vector_holder_(vh), : vector_holder_(vh),
vds_(ref().size(),ref()[0]) vds_((*vector_holder_).size(),(*vector_holder_)[0])
{} {}
vector_node(vector_holder_t* vh, const vds_t& vds) vector_node(const vds_t& vds, vector_holder_t* vh)
: vector_holder_(vh), : vector_holder_(vh),
vds_(vds) vds_(vds)
{} {}
@ -6662,16 +6678,6 @@ namespace exprtk
return vds().data()[0]; return vds().data()[0];
} }
inline const vector_holder_t& ref() const
{
return (*vector_holder_);
}
inline vector_holder_t& ref()
{
return (*vector_holder_);
}
vector_node_ptr vec() const vector_node_ptr vec() const
{ {
return const_cast<vector_node_ptr>(this); return const_cast<vector_node_ptr>(this);
@ -6702,6 +6708,11 @@ namespace exprtk
return vds_; return vds_;
} }
inline vector_holder_t& vec_holder()
{
return (*vector_holder_);
}
private: private:
vector_holder_t* vector_holder_; vector_holder_t* vector_holder_;
@ -6941,8 +6952,8 @@ namespace exprtk
if (vec0_node_ptr_ && vec1_node_ptr_) if (vec0_node_ptr_ && vec1_node_ptr_)
{ {
vec_size_ = std::min(vec0_node_ptr_->ref().size(), vec_size_ = std::min(vec0_node_ptr_->vds().size(),
vec1_node_ptr_->ref().size()); vec1_node_ptr_->vds().size());
initialised_ = true; initialised_ = true;
} }
@ -6955,8 +6966,8 @@ namespace exprtk
binary_node<T>::branch_[0].first->value(); binary_node<T>::branch_[0].first->value();
binary_node<T>::branch_[1].first->value(); binary_node<T>::branch_[1].first->value();
T* vec0 = vec0_node_ptr_->ref().data(); T* vec0 = vec0_node_ptr_->vds().data();
T* vec1 = vec1_node_ptr_->ref().data(); T* vec1 = vec1_node_ptr_->vds().data();
for (std::size_t i = 0; i < vec_size_; ++i) for (std::size_t i = 0; i < vec_size_; ++i)
{ {
@ -9462,8 +9473,8 @@ namespace exprtk
binary_node<T>::branch_[0].first->value(); binary_node<T>::branch_[0].first->value();
binary_node<T>::branch_[1].first->value(); binary_node<T>::branch_[1].first->value();
T* vec0 = vec0_node_ptr_->ref().data(); T* vec0 = vec0_node_ptr_->vds().data();
T* vec1 = vec1_node_ptr_->ref().data(); T* vec1 = vec1_node_ptr_->vds().data();
loop_unroll::details lud(size()); loop_unroll::details lud(size());
const T* upper_bound = vec0 + lud.upper_bound; const T* upper_bound = vec0 + lud.upper_bound;
@ -9615,8 +9626,8 @@ namespace exprtk
if (vec0_node_ptr_ && vec1_node_ptr_) if (vec0_node_ptr_ && vec1_node_ptr_)
{ {
vector_holder<T>& vec0 = vec0_node_ptr_->ref(); vector_holder<T>& vec0 = vec0_node_ptr_->vec_holder();
vector_holder<T>& vec1 = vec1_node_ptr_->ref(); vector_holder<T>& vec1 = vec1_node_ptr_->vec_holder();
if (v0_is_ivec && (vec0.size() <= vec1.size())) if (v0_is_ivec && (vec0.size() <= vec1.size()))
vds_ = vds_t(vec0_node_ptr_->vds()); vds_ = vds_t(vec0_node_ptr_->vds());
@ -9626,7 +9637,7 @@ namespace exprtk
vds_ = vds_t(std::min(vec0.size(),vec1.size())); vds_ = vds_t(std::min(vec0.size(),vec1.size()));
temp_ = new vector_holder<T>(vds().data(),vds().size()); temp_ = new vector_holder<T>(vds().data(),vds().size());
temp_vec_node_ = new vector_node<T> (temp_,vds()); temp_vec_node_ = new vector_node<T> (vds(),temp_);
initialised_ = true; initialised_ = true;
} }
@ -9645,8 +9656,8 @@ namespace exprtk
binary_node<T>::branch_[0].first->value(); binary_node<T>::branch_[0].first->value();
binary_node<T>::branch_[1].first->value(); binary_node<T>::branch_[1].first->value();
T* vec0 = vec0_node_ptr_->ref().data(); T* vec0 = vec0_node_ptr_->vds().data();
T* vec1 = vec1_node_ptr_->ref().data(); T* vec1 = vec1_node_ptr_->vds().data();
T* vec2 = vds().data(); T* vec2 = vds().data();
loop_unroll::details lud(size()); loop_unroll::details lud(size());
@ -9780,12 +9791,12 @@ namespace exprtk
if (vec0_node_ptr_) if (vec0_node_ptr_)
{ {
if (v0_is_ivec) if (v0_is_ivec)
vds_ = vec0_node_ptr_->vds(); vds() = vec0_node_ptr_->vds();
else else
vds_ = vds_t(vec0_node_ptr_->size()); vds() = vds_t(vec0_node_ptr_->size());
temp_ = new vector_holder<T>(vds()); temp_ = new vector_holder<T>(vds());
temp_vec_node_ = new vector_node<T> (temp_); temp_vec_node_ = new vector_node<T> (vds(),temp_);
} }
} }
@ -9802,7 +9813,7 @@ namespace exprtk
binary_node<T>::branch_[0].first->value(); binary_node<T>::branch_[0].first->value();
const T v = binary_node<T>::branch_[1].first->value(); const T v = binary_node<T>::branch_[1].first->value();
T* vec0 = vec0_node_ptr_->ref().data(); T* vec0 = vec0_node_ptr_->vds().data();
T* vec1 = vds().data(); T* vec1 = vds().data();
loop_unroll::details lud(size()); loop_unroll::details lud(size());
@ -9933,12 +9944,12 @@ namespace exprtk
if (vec1_node_ptr_) if (vec1_node_ptr_)
{ {
if (v1_is_ivec) if (v1_is_ivec)
vds_ = vec1_node_ptr_->vds(); vds() = vec1_node_ptr_->vds();
else else
vds_ = vds_t(vec1_node_ptr_->size()); vds() = vds_t(vec1_node_ptr_->size());
temp_ = new vector_holder<T>( vds()); temp_ = new vector_holder<T>(vds());
temp_vec_node_ = new vector_node<T> (temp_,vds()); temp_vec_node_ = new vector_node<T> (vds(),temp_);
} }
} }
@ -9956,7 +9967,7 @@ namespace exprtk
binary_node<T>::branch_[1].first->value(); binary_node<T>::branch_[1].first->value();
T* vec0 = vds().data(); T* vec0 = vds().data();
T* vec1 = vec1_node_ptr_->ref().data(); T* vec1 = vec1_node_ptr_->vds().data();
loop_unroll::details lud(size()); loop_unroll::details lud(size());
const T* upper_bound = vec0 + lud.upper_bound; const T* upper_bound = vec0 + lud.upper_bound;
@ -10089,7 +10100,7 @@ namespace exprtk
vds_ = vds_t(vec0_node_ptr_->size()); vds_ = vds_t(vec0_node_ptr_->size());
temp_ = new vector_holder<T>(vds()); temp_ = new vector_holder<T>(vds());
temp_vec_node_ = new vector_node<T> (temp_); temp_vec_node_ = new vector_node<T> (vds(),temp_);
} }
} }
@ -10105,7 +10116,7 @@ namespace exprtk
if (vec0_node_ptr_) if (vec0_node_ptr_)
{ {
T* vec0 = vec0_node_ptr_->ref().data(); T* vec0 = vec0_node_ptr_->vds().data();
T* vec1 = vds().data(); T* vec1 = vds().data();
loop_unroll::details lud(size()); loop_unroll::details lud(size());
@ -12058,8 +12069,8 @@ namespace exprtk
static inline T process(const ivector_ptr v) static inline T process(const ivector_ptr v)
{ {
const T* vec = v->vec()->ref().data(); const T* vec = v->vec()->vds().data();
const std::size_t vec_size = v->vec()->ref().size(); const std::size_t vec_size = v->vec()->vds().size();
loop_unroll::details lud(vec_size); loop_unroll::details lud(vec_size);
@ -12155,8 +12166,8 @@ namespace exprtk
static inline T process(const ivector_ptr v) static inline T process(const ivector_ptr v)
{ {
const T* vec = v->vec()->ref().data(); const T* vec = v->vec()->vds().data();
const std::size_t vec_size = v->vec()->ref().size(); const std::size_t vec_size = v->vec()->vds().size();
loop_unroll::details lud(vec_size); loop_unroll::details lud(vec_size);
@ -12252,7 +12263,7 @@ namespace exprtk
static inline T process(const ivector_ptr v) static inline T process(const ivector_ptr v)
{ {
const std::size_t vec_size = v->vec()->ref().size(); const std::size_t vec_size = v->vec()->vds().size();
return vec_add_op<T>::process(v) / vec_size; return vec_add_op<T>::process(v) / vec_size;
} }
@ -12265,8 +12276,8 @@ namespace exprtk
static inline T process(const ivector_ptr v) static inline T process(const ivector_ptr v)
{ {
const T* vec = v->vec()->ref().data(); const T* vec = v->vec()->vds().data();
const std::size_t vec_size = v->vec()->ref().size(); const std::size_t vec_size = v->vec()->vds().size();
T result = vec[0]; T result = vec[0];
@ -12289,8 +12300,8 @@ namespace exprtk
static inline T process(const ivector_ptr v) static inline T process(const ivector_ptr v)
{ {
const T* vec = v->vec()->ref().data(); const T* vec = v->vec()->vds().data();
const std::size_t vec_size = v->vec()->ref().size(); const std::size_t vec_size = v->vec()->vds().size();
T result = vec[0]; T result = vec[0];
@ -26040,7 +26051,7 @@ namespace exprtk
case e_st_vector : { case e_st_vector : {
typedef details::vector_holder<T> vector_holder_t; typedef details::vector_holder<T> vector_holder_t;
vector_holder_t& vh = static_cast<vector_node_t*>(node)->ref(); vector_holder_t& vh = static_cast<vector_node_t*>(node)->vec_holder();
symbol_name = parser_->symtab_store_.get_vector_name(&vh); symbol_name = parser_->symtab_store_.get_vector_name(&vh);
} }
@ -34580,9 +34591,9 @@ namespace exprtk
namespace information namespace information
{ {
static const char* library = "Mathematical Expression Toolkit"; static const char* library = "Mathematical Expression Toolkit";
static const char* version = "2.718281828459045235360287471352662497" static const char* version = "2.71828182845904523536028747135266249775"
"75724709369995957496696762772407663035"; "7247093699959574966967627724076630353547";
static const char* date = "20160909"; static const char* date = "20161010";
static inline std::string data() static inline std::string data()
{ {