RAD Studio VCL Reference
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SysUtils.TFloatValue Enumeration

TFloatValue is an enumeration of two basic floating point types.

Pascal
TFloatValue = (
  fvExtended,
  fvCurrency
);
C++
enum TFloatValue {
  fvExtended,
  fvCurrency
};

TFloatValue is used by a number of data conversion routines, where it is used to indicate what type of floating point number is being handled. 

These are the possible values of the TFloatValue type:

Value 
Meaning 
fvExtended  
An extended floating point number. These are the highest capacity floating point numbers in Delphi : they support the largest mantissa and exponent sizes.  
fvDecimal  
A decimal floating point number. Decimals have a fixed exponent size of 4 digits.  

 

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