Literals/Integer: Difference between revisions

<lang rexx>/*REXX pgm displays an integer (expressed in the pgm as a literal) in different bases*/

/*────────── expressing decimal numbers ──────────*/

ddd = 123 /*a decimal number (expressed as a literal). */

ddd = '123' /*this is exactly the same as above. */

ddd = "123" /*this is exactly the same as above also. */

/*────────── expressing hexadecimal numbers ──────*/

hhh = '7b'x /*a value, expressed as a hexadecimal literal. */

hhh = '7B'x /* (same as above) using a capital "B". */

hhh = '7B'X /* (same as above) using a capital "X". */

cow = 'dead beef'x /*another value, with a blank for the eyeballs.*/

cow = 'de ad be ef'x /* (same as above) with blanks for the eyeballs.*/

/*────────── expressing binary numbers ───────────*/

bbb = '1111011'b /*a value, expressed as a binary literal. */

bbb = '01111011'b /* (same as above) with a full 8 binary digits. */

bbb = '0111 1011'b /* (same as above) with a blank for the eyeballs.*/

say ' base 10=' ddd

say ' base 2=' x2b( d2x( ddd ) )

say ' base 16=' d2x( ddd )

say ' base 256=' d2c( ddd ) /*the output displayed is ASCII (or maybe EBCDIC).*/

thingy1= +123 /*╔══════════════════════════════════════════════╗*/

thingy2= '+123' /*║ All of the THINGYs variables aren't strictly ║*/

thingy3= ' 123' /*║ (exactly) equal to the DDD variable, but ║*/

thingy4= 123. /*║ they do compare numerically equal. When ║*/

thingy5= 12.3e+1 /*║ compared numerically, numbers are rounded to ║*/

thingy6= 1230e-1 /*║ the current setting of NUMERIC DIGITS. The ║*/

thingy7= 1230E-0001 /*║ default for (decimal) NUMERIC DIGITS is 9 ║*/

thingy8= ' + 123 ' /*╚══════════════════════════════════════════════╝*/

/*stick a fork in it, we're all done. */</lang>

{{out|output}}

base 10= 123

base 2= 01111011

base 16= 7B

base 256= {