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Archive Notice: This thread is old and no longer active. It is here for reference purposes. This thread was created on an older version of the flipcode forums, before the site closed in 2005. Please keep that in mind as you view this thread, as many of the topics and opinions may be outdated.

April 18, 2005, 06:37 AM

I was reading a code, and I see

  2. LinearTransformation3d invert() const;

What is the difference with :
  2. LinearTransformation3d invert();


April 18, 2005, 07:45 AM

invert() must belong to a class, otherwise a const modifier is not allowed. The difference is that a const method won't change the this object, that is, after calling that method on an object the object will remain exactly the same as it was beforing calling that method.

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