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floating_point_calculation

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floating_point_calculation [2012/01/27 16:05] – k2patelfloating_point_calculation [2020/08/10 02:35] (current) – external edit 127.0.0.1
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 Usage is quite simple:  Usage is quite simple: 
  
-<code oobas>+<code bash>
   float_eval '12.0 / 3.0'   float_eval '12.0 / 3.0'
   if float_cond '10.0 > 9.0'; then   if float_cond '10.0 > 9.0'; then
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 The code for the functions follows:  The code for the functions follows: 
  
-<code oobas>+<code bash>
 #!/bin/bash #!/bin/bash
 # #
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 The work of the functions is done by feeding the arguments to ''bc'':  The work of the functions is done by feeding the arguments to ''bc'': 
  
-<code oobas>+<code bash>
    result=$(echo "scale=$float_scale; $*" | bc -q 2>/dev/null)    result=$(echo "scale=$float_scale; $*" | bc -q 2>/dev/null)
 </code> </code>
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 If you save the script as ''float.sh'' and run it directly it will execute the test code at the bottom:  If you save the script as ''float.sh'' and run it directly it will execute the test code at the bottom: 
  
-<code oobas>+<code bash>
   $ sh float.sh   $ sh float.sh
   12.5 / 3.2 is 3.90   12.5 / 3.2 is 3.90
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 The one unaswered question you may have is: "and why would I want to do this?" Next time around I'll show you one place you can put this to real world use.  The one unaswered question you may have is: "and why would I want to do this?" Next time around I'll show you one place you can put this to real world use. 
  
-Ref : [[ Linux Journal | http://www.linuxjournal.com/content/floating-point-math-bash ]]+Ref : [[ http://www.linuxjournal.com/content/floating-point-math-bash | Linux Journal ]]
  
 ==== Doing Calculation ==== ==== Doing Calculation ====
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 </code> </code>
  
-Ref. [[http://www.novell.com/coolsolutions/tools/17043.html|http://www.novell.com/coolsolutions/tools/17043.html]]+Ref. [[ http://www.novell.com/coolsolutions/tools/17043.html | Novell Cool Solutions ]]
  
  
floating_point_calculation.1327680322.txt.gz · Last modified: 2020/08/10 02:30 (external edit)