xfygogo
/
exprtk
mirror of https://github.com/ArashPartow/exprtk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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

This commit is contained in:
Arash Partow 2016-12-19 06:06:23 +11:00
parent ce74306eec
commit 0cadf91a31
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
readme.txt
View File

@ -2037,7 +2037,7 @@ associated types from the DEC.
The kinds of questions one can ask regarding the dependent entities The kinds of questions one can ask regarding the dependent entities
within an expression are as follows: within an expression are as follows:
* What user defined or local variables, vectors or strings are used? * What user defined variables, vectors or strings are used?
* What functions or custom user functions are used? * What functions or custom user functions are used?
* Which variables, vectors or strings have values assigned to them? * Which variables, vectors or strings have values assigned to them?
@ -2105,13 +2105,13 @@ associated assignments:
(1) x x := y + z (1) x x := y + z
(2) x, y x += y += z (2) x, y x += y += z
(3) x, y, z x := y += sin(z := w + 2) (3) x, y, z x := y += sin(z := w + 2)
(4) z, w if (x > y, z := x + 2, w := 'A String') (4) w, z if (x > y, z := x + 2, w := 'A String')
(5) None x + y + z (5) None x + y + z
Note: In expression 4, both variables 'z' and 'w' are denoted as being Note: In expression 4, both variables 'z' and 'w' are denoted as being
assignments even though only one of them can be modified at the time assignments even though only one of them can ever be modified at the
of evaluation. Furthermore the determination of which of the two time of evaluation. Furthermore the determination of which of the two
variables the modification will occur upon can only be known with variables the modification will occur upon can only be known with
certainty at evaluation time and not beforehand, hence both are listed certainty at evaluation time and not beforehand, hence both are listed
as being candidates for assignment. as being candidates for assignment.
@ -2483,7 +2483,7 @@ default USR. The following are some example expressions:
(2) sine(y / 2) - coz(3x) (2) sine(y / 2) - coz(3x)
The two expression above contain misspelt symbols (abz, sine, coz) The two expressions above contain misspelt symbols (abz, sine, coz)
which if implied multiplications and default USR are enabled during which if implied multiplications and default USR are enabled during
compilation will result in them being assumed to be valid 'variables', compilation will result in them being assumed to be valid 'variables',
which obviously is not the intended outcome by the user. A possible which obviously is not the intended outcome by the user. A possible