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

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This commit is contained in:
Arash Partow
2016-09-26 10:50:06 +10:00
parent d63c4c274d
commit 5728bb1327
5 changed files with 27 additions and 26 deletions
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45
exprtk.hpp
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@ -793,7 +793,7 @@ namespace exprtk
template <typename T>
inline T abs_impl(const T v, real_type_tag)
{
return ((v >= T(0)) ? v : -v);
return ((v < T(0)) ? -v : v);
}
template <typename T>
@ -11123,27 +11123,28 @@ namespace exprtk
bool body_deletable_;
};
#define exprtk_define_unary_op(OpName) \
template <typename T> \
struct OpName##_op \
{ \
typedef typename functor_t<T>::Type Type; \
\
static inline T process(Type v) \
{ \
return numeric:: OpName (v); \
} \
\
static inline typename expression_node<T>::node_type type() \
{ \
return expression_node<T>::e_##OpName; \
} \
\
static inline details::operator_type operation() \
{ \
return details::e_##OpName; \
} \
}; \
#define exprtk_define_unary_op(OpName) \
template <typename T> \
struct OpName##_op \
{ \
typedef typename functor_t<T>::Type Type; \
typedef typename expression_node<T>::node_type node_t; \
\
static inline T process(Type v) \
{ \
return numeric:: OpName (v); \
} \
\
static inline node_t type() \
{ \
return expression_node<T>::e_##OpName; \
} \
\
static inline details::operator_type operation() \
{ \
return details::e_##OpName; \
} \
}; \
exprtk_define_unary_op(abs )
exprtk_define_unary_op(acos )