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Circles of given radius through two points: Difference between revisions
Circles of given radius through two points (view source)
Revision as of 20:55, 28 August 2015
, 8 years ago→{{header|REXX}}: changed extra digits and optimized the sqrt function, added a comment.
m (→{{header|REXX}}: added/changed whitespace and comments, simplified a function.) |
m (→{{header|REXX}}: changed extra digits and optimized the sqrt function, added a comment.) |
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/*────────────────────────────────────────────────────────────────────────────*/
sqrt: procedure; parse arg x; if x=0 then return 0; d=digits(); i=; m.=9
numeric digits 9; numeric form; h=d+6; if x<0 then do; x=-x; i='i'; end
parse value format(x,2,1,,0) 'E0' with g 'E' _ .; g=g*.5'
do j=0 while h>9; m.j=h; h=h%2+1; end /*j*/
do k=j+5 to 0 by -1; numeric digits m.k; g=
numeric digits d; return (g/1)i /*make complex if X < 0.*/</lang>
'''output'''
<pre>
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