FICO Xpress Optimization Examples Repository: Output formatting

FICO Xpress Optimization Examples Repository

Output formatting

Description

The printing format for real numbers may be changed individually with the functions strfmt, textfmt, formattext or by resetting the parameter REALFMT. The function strfmt may also be applied to strings, for instance to change the alignment of the text.

Further explanation of this example: 'Mosel User Guide', Sections 10.1 Producing formatted output and 10.3 Real number format

outputfmt.zip

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Source Files

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fo.mos	[download]
numformat.mos	[download]
transport2.mos	[download]
transport2t.mos	[download]

Data Files

transprt.dat

[download]

numformat.mos

(!******************************************************
   Mosel User Guide Example Problems
   ================================= 

   file numformat.mos 
   `````````````````` 
   Formatted output printing.
 
   (c) 2008 Fair Isaac Corporation
       author: S. Heipcke, 2005, rev. Mar 2022
*******************************************************!)

model "Formatting numbers"
 parameters
  a = 123456789000.0
  b = 123456789008.9
  c = 12.0000000045
  d = 12.0
 end-parameters

 setparam("TXTZTOL", false)      ! Disable use of 'zerotol' for display

 writeln("Default:", a, "  ", b, "  ", c, "  ", d)
 
 setparam("REALFMT", "%1.2f")
 writeln("%1.2f:  ", a, "  ", b, "  ", c, "  ", d)

! Exact (conservative) representation of floating point numbers
 setparam("REALFMT", "%.17g")
 writeln("%.17g:  ", a, "  ", b, "  ", c, "  ", d)

 setparam("REALFMT", "%y")
 writeln("%y:     ", a, "  ", b, "  ", c, "  ", d)

 setparam("REALFMT", "%j")
 writeln("%j:     ", a, "  ", b, "  ", c, "  ", d)
end-model