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Math::Expr::OpperationDB

Math::Expr::OpperationDB - A db of basic opperands properties

require Math::Expr::OpperationDB; $db=new Math::Expr::OpperationDB($file);

This is a database containing info about the different opperations (eg +, -, *, ...). Each opperation is represented by a regexp mathing a type specifikation. That way Real*Real wont be the same opperation as Matrix*Matrix even though the same operation character is used. The data stored for each operation is the return type of the operation and whatever this operation is kommutativ or assosiative. Currently the data is hardcoded into the code, but that is about to chnage.

Creates a new db.

Tries all the type regexps in the db on $t and if one matches that post is returned.

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