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

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Arash Partow
2015-01-08 21:35:36 +11:00
parent 7715a906f3
commit 73b1e4c9f3
21 changed files with 71 additions and 55 deletions
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17
readme.txt
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@ -1171,6 +1171,7 @@ parameters and their views are as follows:
(2) Vector - vector_view
(3) String - string_view
The above denoted type views provide non-const reference-like access
to each parameter, as such modifications made to the input parameters
will persist after the function call has completed. The following
@ -1418,14 +1419,14 @@ Two specific overrides of the function operator are provided one for
standard generic functions and one for string returning functions. The
overrides are as follows:
// f(psi,i_0,i_1,....,i_N) --> Scalar
// Scalar <-- function(psi,i_0,i_1,....,i_N)
inline T operator()(const std::size_t& ps_index,
parameter_list_t parameters)
{
...
}
// f(psi,i_0,i_1,....,i_N) --> String
// String <-- function(psi,i_0,i_1,....,i_N)
inline T operator()(const std::size_t& ps_index,
std::string& result,
parameter_list_t parameters)
@ -1589,6 +1590,7 @@ zero input parameters the calling styles are as follows:
(2) x + sin(foo - 2) / y
[16 - EXPRESSION DEPENDENTS]
Any expression that is not a literal (aka constant) will have
dependencies. The types of 'dependencies' an expression can have are
@ -1816,6 +1818,7 @@ more of the following checkers:
(2) Numeric Checker
(3) Sequence Checker
(c) Numeric Errors
This class of error is related to conversion of numeric values from
their string form to the underlying numerical type (float, double
@ -1994,10 +1997,12 @@ into account when using Exprtk:
default : y > 2 ? 3 : 4;
};
x != while (y > 0) { y -= 1; };
x -= {if(min(x,y) < 2 * max(x,y))
x + 2;
else
x + y - 3;}
x -= {
if(min(x,y) < 2 * max(x,y))
x + 2;
else
x + y - 3;
}
)
{
(x + y) / (x - y);