Heronian triangles: Difference between revisions

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return # /*return # of Heronian triangles.*/
/*──────────────────────────────────HGCD subroutine─────────────────────*/
hGCD: procedure; parse arg x /*this sub handles exactly 23 args*/
do j=2 for 2; y=arg(j); do until _==0; _=x//y; x=y; y=_; end; end
return x