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Functions for formatting numeric values.
- 
formatDecimal( value, dp )
- 
Turns a floating point value into a string with a given number of
 decimal places using standard settings.
 
- Parameters:
- 
value(floating point): value to format
- 
dp(integer): number of decimal places (digits after the decmal point)
 
- Return value
- 
(String): formatted string
 
- Examples:
- 
formatDecimal(PI,0) = "3."
- 
formatDecimal(0,10) = ".0000000000"
- 
formatDecimal(E*10,3) = "27.183"
 
 
- 
formatDecimalLocal( value, dp )
- 
Turns a floating point value into a string using current locale settings.
 For instance if language is set to French, decimal points will
 be represented as a comma "," instead of a full stop ".".
 Otherwise behaves the same as the corresponding 
 formatDecimalfunction.
 
- Parameters:
- 
value(floating point): value to format
- 
dp(integer): number of decimal places (digits after the decmal point)
 
- Return value
- 
(String): formatted string
 
- Examples:
- 
formatDecimal(PI,0) = "3,"
- 
formatDecimal(0,10) = ",0000000000"
- 
formatDecimal(E*10,3) = "27,183"
 
 
- 
formatDecimal( value, format )
- 
Turns a floating point value into a formatted string using standard
 settings.
 The formatstring is as defined by Java'sjava.text.DecimalFormatclass.
 
- Parameters:
- 
value(floating point): value to format
- 
format(String): format specifier
 
- Return value
- 
(String): formatted string
 
- Examples:
- 
formatDecimal(99, "#.000") = "99.000"
- 
formatDecimal(PI, "+0.##;-0.##") = "+3.14"
 
 
- 
formatDecimalLocal( value, format )
- 
Turns a floating point value into a formatted string using current
 locale settings.
 For instance if language is set to French, decimal points will
 be represented as a comma "," instead of a full stop ".".
 Otherwise behaves the same as the corresponding 
 formatDecimalfunction.
 
- Parameters:
- 
value(floating point): value to format
- 
format(String): format specifier
 
- Return value
- 
(String): formatted string
 
- Examples:
- 
formatDecimal(99, "#.000") = "99,000"
- 
formatDecimal(PI, "+0.##;-0.##") = "+3,14"
 
 
Next Previous Up Contents 
 
Next: Gaia
 
Up: General Functions
 
Previous: Fluxes
TOPCAT - Tool for OPerations on Catalogues And Tables
Starlink User Note253
TOPCAT web page:
         http://www.starlink.ac.uk/topcat/
Author email:
         m.b.taylor@bristol.ac.uk
Mailing list:
         topcat-user@jiscmail.ac.uk