ALPHA-VISION® Logical Operations: Xor

Xor

SUMMARY

Xor - Calculates the logical EXCLUSIV-OR gating of the given arguments

SYNTAX

Xor(<arg1, arg2, ...>);

ARGUMENTS

arg1 ...argN (type:bool)

The operands of the EXCLUSIV-OR gating.

DESCRIPTION

1. Missing arguments are taken from the stack (and removed from there).
2. The result is pushed onto the stack.

Calculates the logical EXCLUSIV-OR gating of the given arguments, whereby there are interpreted as boolean variables:
arg1 EXCLUSIV-OR arg2 EXCLUSIV-OR ... EXCLUSIV-OR argN

EXAMPLES

//Stack before (3 Elements):
//"1"
//TRUE
//"c"   //interpreted as Null and hence as FALSE
Xor(3,,4,, );
//Stack afterwards (1 Element):
//FALSE

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Syntax Notation

[aaa]

aaa is optional (zero or one occurences)

(aaa|bbb)

aaa exclusive or bbb

(aaa)*

aaa may occur indefinitely often or may be omitted

(aaa)+

aaa may occur indefinitely often but at least once

(aaa)m..n

aaa may occur from m to n times