RAD Studio VCL Reference
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Math.SetRoundMode Function

Sets the FPU rounding mode.

Pascal
function SetRoundMode(const RoundMode: TFPURoundingMode): TFPURoundingMode;
C++
TFPURoundingMode SetRoundMode(const TFPURoundingMode RoundMode);

Call SetRoundingMode to specify how the FPU handles rounding issues. The rounding mode can be any of the following values:

Value 
Meaning 
rmNearest  
Rounds to the closest value.  
rmDown  
Rounds toward negative infinity.  
rmUp  
Rounds toward positive infinity.  
rmTruncate  
Truncates the value, rounding positive numbers down and negative numbers up.  

 

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