Loops/While: Difference between revisions
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m (→{{header|REXX}}: changed verb tense. -- ~~~~) |
m (→{{header|REXX}}: expanded and aligned the initial REXX program comment(s). -- ~~~) |
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=={{header|REXX}}== |
=={{header|REXX}}== |
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===simple version=== |
===simple version=== |
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<lang rexx>/*REXX program demonstrates a |
<lang rexx>/*REXX program demonstrates a DO WHILE with index reduction construct.*/ |
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j=1024 /*define the initial value of J.*/ |
j=1024 /*define the initial value of J.*/ |
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do while j>0 /*test if made at the top of DO.*/ |
do while j>0 /*test if made at the top of DO.*/ |
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::::: '''DO WHILE x\==0''' |
::::: '''DO WHILE x\==0''' |
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but that wouldn't be compliant with the wording of the task. |
but that wouldn't be compliant with the wording of the task. |
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<lang rexx>/*REXX program demonstrates a |
<lang rexx>/*REXX program demonstrates a DO WHILE with index reduction construct.*/ |
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x=1024 /*define the initial value of X.*/ |
x=1024 /*define the initial value of X.*/ |
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do while x>0 /*test if made at the top of DO.*/ |
do while x>0 /*test if made at the top of DO.*/ |
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===version 3, faster WHILE comparison=== |
===version 3, faster WHILE comparison=== |
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<lang rexx>/*REXX program demonstrates a |
<lang rexx>/*REXX program demonstrates a DO WHILE with index reduction construct.*/ |
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x=1024 /*define the initial value of X.*/ |
x=1024 /*define the initial value of X.*/ |
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do while x>>0 /*this is an exact comparison. */ |
do while x>>0 /*this is an exact comparison. */ |
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