2008-11-07 01:24:32 -05:00
										 
									 
								 
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								! Copyright (c) 2008 Reginald Keith Ford II.
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								! See http://factorcode.org/license.txt for BSD license.
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											2008-08-02 14:02:33 -04:00
										 
									 
								 
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								USING: kernel math arrays sequences sequences.lib ;
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											2008-11-07 01:24:32 -05:00
										 
									 
								 
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								IN: math.function-tools
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								! Tools for quickly comparing, transforming, and evaluating mathematical functions
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								: difference-func ( func func -- func )
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								    [ bi - ] 2curry ; inline
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								: eval ( x func -- pt )
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								    dupd call 2array ; inline
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								: eval-inverse ( y func -- pt )
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								    dupd call swap 2array ; inline
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								: eval3d ( x y func -- pt )
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								    [ 2dup ] dip call 3array ; inline
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