Horner's rule for polynomial evaluation: Difference between revisions
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</pre> |
</pre> |
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=={{header|Batch File}}== |
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<lang dos> |
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@echo off |
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call:horners a:-19 b:7 c:-4 d:6 x:3 |
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call:horners x:3 a:-19 c:-4 d:6 b:7 |
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pause>nul |
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exit /b |
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:horners |
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setlocal enabledelayedexpansion |
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set a=0 |
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set b=0 |
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set c=0 |
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set d=0 |
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set x=0 |
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for %%i in (%*) do ( |
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for /f "tokens=1,2 delims=:" %%j in ("%%i") do ( |
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set %%j=%%k |
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) |
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) |
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set /a return=((((0)*%x%+%d%)*%x%+(%c%))*%x%+%b%)*%x%+(%a%) |
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echo %return% |
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exit /b |
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</lang> |
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{{out}} |
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<pre> |
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>a:-19 b:7 c:-4 d:6 x:3 |
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128 |
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>x:3 a:-19 c:-4 d:6 b:7 |
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128 |
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</pre> |
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=={{header|BBC BASIC}}== |
=={{header|BBC BASIC}}== |
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