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How to round floating point values
Source position: mathh.inc line 52
type TFPURoundingMode = ( 

rmNearest, 

Round to nearest integer 
rmDown, 

Round to biggest integer smaller than value. 
rmUp, 

Round to smallest integer larger than value 
rmTruncate 

Cut off fractional part 
); 
TFPURoundingMode enumerates the possible values for software floating point math rounding. It has been moved here from the math unit.

Type describing the default precision for Floating Point math. 


Rounding mode for softfloat 