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

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Arash Partow
2012-04-06 19:26:00 +10:00
parent ef7e70ee11
commit 1b32ca4bbb
2 changed files with 170 additions and 31 deletions
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34
exprtk.hpp
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@ -3843,7 +3843,7 @@ namespace exprtk
}
else
{
vm_itr_t itr = function_map_.find(function_name);
fm_itr_t itr = function_map_.find(function_name);
if (function_map_.end() != itr)
{
function_map_.erase(itr);
@ -3855,6 +3855,34 @@ namespace exprtk
}
}
inline bool remove_stringvar(const std::string& string_name)
{
if (1 == string_name.size())
{
stringvar_pair_t& svp = short_stringvar_lut_[static_cast<std::size_t>(string_name[0])];
if (0 == svp.second)
return false;
delete svp.second;
svp.first = false;
svp.second = 0;
--stringvar_count_;
return true;
}
else
{
svm_itr_t itr = stringvar_map_.find(string_name);
if (stringvar_map_.end() != itr)
{
delete (*itr).second.second;
stringvar_map_.erase(itr);
--stringvar_count_;
return true;
}
else
return false;
}
}
inline void add_constants()
{
add_pi();
@ -4229,7 +4257,7 @@ namespace exprtk
template <typename,typename> class Sequence>
inline std::size_t expression_symbols(Sequence<std::string,Allocator>& symbols_list)
{
if (!symbol_name_cache_)
if (!symbol_name_caching_)
return 0;
if (symbol_name_cache_.empty())
return 0;
@ -6345,7 +6373,7 @@ namespace exprtk
namespace information
{
static const char* library = "Mathematical Expression Toolkit";
static const char* version = "2.718281828459";
static const char* version = "2.718281828459045235";
static const char* date = "20111111";
static inline std::string data()