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Another update from ingydotnet^djgoku

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Ingy döt Net 2015-11-18 06:14:39 +00:00
parent 91df62d461
commit 948b86eafa
7604 changed files with 108452 additions and 22726 deletions
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26
Task/Modular-inverse/REXX/modular-inverse.rexx
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@ -1,13 +1,13 @@
/*REXX program calcuates the modular inverse of an integer X modulo Y.*/
parse arg x y . /*get two integers from the C.L. */
say 'modular inverse of ' x " by " y ' ───► ' modInv(x,y)
exit /*stick a fork in it, we're done.*/
/*──────────────────────────────────MODINV subroutine───────────────────*/
modInv: parse arg a,b 1 ob; ox=0; $=1
if b \= 1 then do while a>1
parse value a/b a//b b ox with q b a t
ox=$-q*ox; $=trunc(t)
end /*while a>1*/
if $<0 then $=$+ob
return $
/*REXX program calculates the modular inverse of an integer X modulo Y. */
parse arg x y . /*obtain two integers from the C.L. */
say 'modular inverse of ' x " by " y ' ───► ' modInv(x,y)
exit /*stick a fork in it, we're all done. */
/*────────────────────────────────────────────────────────────────────────────*/
modInv: parse arg a,b 1 ob; ox=0
$=1
if b \= 1 then do while a>1
parse value a/b a//b b ox with q b a t
ox=$-q*ox; $=trunc(t)
end /*while a>1*/
if $<0 then $=$+ob
return $