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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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17
Task/Map-range/REXX/map-range-1.rexx
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@ -1,12 +1,11 @@
/*REXX program maps a number from one range to another range. */
rangeA = '0 10'
rangeB = '-1 0'
do j=0 to 10
say right(j,3) ' maps to ' mapRange(rangeA, rangeB, j)
/*REXX program maps a range of numbers from one range to another range. */
rangeA = 0 10 /*or: rangeA = ' 0 10 ' */
rangeB = -1 0 /*or: rangeB = " -1 0 " */
parse var RangeA L H
inc=1
do j=L to H by inc*(1-2*sign(H<L)) /*BY: +inc │ -inc) */
say right(j,digits()) ' maps to ' mapRange(rangeA,rangeB,j)
end /*j*/
exit /*stick a fork in it, we're done.*/
/*──────────────────────────────────MAPRANGE subroutine─────────────────*/
mapRange: procedure; arg a1 a2,b1 b2,x; return b1+(x-a1)*(b2-b1)/(a2-a1)
mapRange: procedure; arg a1 a2,b1 b2,s; return b1+ (s-a1)*(b2-b1)/(a2-a1)

14
Task/Map-range/REXX/map-range-2.rexx
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@ -1,9 +1,11 @@
/*REXX program maps a number from one range to another range. */
do j=0 to 10
say right(j,3) ' maps to ' mapRange(0 10, -1 0, j)
/*REXX pgm maps a range of numbers from one range to another with inc=½.*/
rangeA = 10 0 /*or: rangeA = ' 10 0 ' */
rangeB = -1 0 /*or: rangeB = " -1 0 " */
parse var RangeA L H /*note the LOW & HIGH values in A*/
inc= 1/2 /*use a different step size (inc)*/
do j=L to H by inc*(1-2*sign(H<L)) /*BY: +inc │ -inc) */
say right(j,9) ' maps to ' mapRange(rangeA,rangeB,j)
end /*j*/
exit /*stick a fork in it, we're done.*/
/*──────────────────────────────────MAPRANGE subroutine─────────────────*/
mapRange: procedure; arg a1 a2,b1 b2,x; return b1+(x-a1)*(b2-b1)/(a2-a1)
mapRange: procedure; arg a1 a2,b1 b2,s; return b1+ (s-a1)*(b2-b1)/(a2-a1)

21
Task/Map-range/REXX/map-range-3.rexx
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@ -1,9 +1,12 @@
/*REXX program maps a number from one range to another range. */
rangeA = '0 10'; parse var rangeA a1 a2
rangeB = '-1 0'; parse var rangeB b1 b2
do j=0 to 10
say right(j,3) ' maps to ' b1+(x-a1)*(b2-b1)/(a2-a1)
end /*j*/
/*stick a fork in it, we're done.*/
/*REXX program maps a range of numbers from one range to another range. */
rangeA = 0 10
rangeB = -1 0
inc=1
call mapRange rangeA, RangeB, inc
exit /*stick a fork in it, we're done.*/
/*──────────────────────────────────MAPRANGE subroutine─────────────────*/
mapRange: procedure; parse a1 a2, b1 b2, inc
do s=a1 to a2 by inc*(1-2*sign(a2<a1)) /*BY: +inc │ -inc */
say right(s,digits()) ' maps to ' b1+(s-a1)*(b2-b1)/(a2-a1)
end /*s*/ /*↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑*/
return /*════════════t════════════*/