at.dms.kjc.sir.lowering
Class RoundToFloor

java.lang.Object
  at.dms.kjc.sir.EmptyStreamVisitor
      at.dms.kjc.sir.lowering.RoundToFloor

All Implemented Interfaces:

StreamVisitor

public class RoundToFloor
extends EmptyStreamVisitor

This class converts calls "round(x)" to "floor(x+0.5)". Oddly, with single precision, this seems to be required to get the right answer on someb applications (e.g., MPEG).

Constructor Summary

RoundToFloor()

Method Summary

static void	doit(SIRStream str) Converts all calls in methods and fields of or children.
void	preVisitStream(SIRStream self, SIRIterator iter) This is called before all visits to a stream structure (Filter, Pipeline, SplitJoin, FeedbackLoop)

Methods inherited from class at.dms.kjc.sir.EmptyStreamVisitor

postVisitFeedbackLoop, postVisitPipeline, postVisitSplitJoin, postVisitStream, preVisitFeedbackLoop, preVisitPipeline, preVisitSplitJoin, visitFilter, visitPhasedFilter

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RoundToFloor

public RoundToFloor()

Method Detail

doit

public static void doit(SIRStream str)

Converts all calls in methods and fields of or children.

preVisitStream

public void preVisitStream(SIRStream self,
                           SIRIterator iter)

Description copied from class: EmptyStreamVisitor

This is called before all visits to a stream structure (Filter, Pipeline, SplitJoin, FeedbackLoop)

Overrides:

preVisitStream in class EmptyStreamVisitor