RosettaCodeData/Task/Map-range/REXX/map-range-4.rexx

11 lines
564 B
Rexx

/*REXX program maps a number from one range to another range. */
/* 31.10.2013 Walter Pachl */
/* 'translated' from an older version 1 without using Procedure */
do j=0 to 10
say right(j,3) ' maps to ' mapRange(0,10,-1,0,j)
end
exit
/*──────────────────────────────────MAPRANGE subroutine─────────────────*/
mapRange: return arg(3)+(arg(5)-arg(1))*(arg(4)-arg(3))/(arg(2)-arg(1))
/* Arguments are arg a1,a2,b1,b2,x */