Subversion Repositories wimsdev

!set methtit2=Algebraic rewriting of an expression
!set methtit=Rewrite an expression
!set methenv=ZZ QQ RR CC
!set methparmtype=parm algexp nocomma nonesting, function
!set methhelp=Deduction by algebraic rewriting. Only arithmetic equivalences\
 are acdepted in this rewriting.

!if $wims_read_parm iswordof form check
 !goto $wims_read_parm
!endif

!exit
:form
 Rewrite the expression
 !read deduc/methparm.phtml 1
 into
 !read deduc/methparm.phtml 2,20
 !set methremark=Only arithmetic equivalences are accepted in this\
  rewriting.
!exit
:check
 !distribute items $methparmobj1 into data,exp
 !read deduc/sub/checkzero ($exp)-($methparm2)
 !if $out=$empty
  error=bad_data
  !exit
 !endif
 !if $out!=yes
  error=unjustified
  !exit
 !endif
 methexp=Rewriting of \($exp)

 newobject1=$methparm2
 oldobject=1

!exit