[amibroker] If statement expression variable

["Willem Fourie" <fourie_willem@xxxxxxxxxxx>]

Dear reader

I seem to find that if one changes the value of a variable used in 
the expression of an if statement "IF(<expression>)" then the if 
statement fails - even the first one before the value has been 
changed to something that would return false.

For eg. ***Stuff*** is never executed:

//global Var;
Var = 0;
for ( i = 1; i < BarCount; i++) {

//if( i == 1 ) Var = 0;

  if( Var == 0 ) {
     *** Stuff ***
     Var = 1;
  } 
}

These two examples do reach ***Stuff*** but are logically incorrect:

Var = 0;
for ( i = 1; i < BarCount; i++) {
  if( Var == 0 ) {
     *** Stuff ***
//     Var = 1;
  } 
}

for ( i = 1; i < BarCount; i++) {
  Var = 0;
  if( Var == 0 ) {
     *** Stuff ***
     Var = 1;
  } 
}

Even executing "Var = 1;" outside the if statement causes it to fail. 
Have also tried other names than "Var". Local/global doesn't help, 
neither does the "if( i == 1 ) Var = 0;" although it does indeed 
initialise "Var"??

Thanx in advance









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