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clean up, improve docs.

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~d6 2023-04-06 22:11:07 -04:00
parent 1050d280f1
commit 751e1cbb73
1 changed files with 9 additions and 8 deletions
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fix16.tal
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@ -152,12 +152,9 @@
( - 00: x = y )
( - 01: x > y )
@x16-cmp ( x* y* -> c^ )
( STH2k x16-is-neg ?&yn ( x* [y*] ; ? ) )
STH2k x16-maximum GTH2 ?&yn ( x* [y*] ; ? )
( DUP2 x16-is-non-neg ?&same ( x* [y*] ; y>=0 ) )
DUP2 x16-minimum LTH2 ?&same ( x* [y*] ; y>=0 )
POP2 POP2r #ff JMP2r ( -1 ; x<0 y>=0 )
( &yn DUP2 x16-is-neg ?&same ( x* [y*] ; y<0 ) )
&yn DUP2 x16-maximum GTH2 ?&same ( x* [y*] ; y<0 )
POP2 POP2r #01 JMP2r ( 1 ; x>=0 y<0 )
&same STH2r ( fall-thru ) ( res ; x<0 y<0 b )
@ -262,6 +259,10 @@
&rest ADD2 DUP EOR JMP2r
( use up to 256 iterations of heron's algorithm )
( )
( NOTE: there are some inaccuracies here, currently )
( the algorithm doesn't always converge perfectly. )
( it should be "good enough" for many use cases. )
@x16-sqrt ( x* -> sqrt[x]* )
LIT2r ff00
LIT2r 0200 ( [c* 2*] )