RAD Studio VCL Reference
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Math.Frexp Function

Separates the Mantissa and Exponent of X

Pascal
procedure Frexp(const X: Extended; var Mantissa: Extended; var Exponent: Integer);
C++
Frexp(const Extended X, Extended Mantissa, int Exponent);

Frexp returns the mantissa of X as Mantissa and the exponent as Exponent. 

 

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