* Corrected prototype of rgexp(), now conforms to Delphi

docs/math.tex

@@ -371,7 +371,7 @@ If \var{x} is larger than \var{maxint}, an overflow will occur.
 
 \begin{procedure}{frexp}
 \Declaration
-Procedure frexp(x : float;var mantissa,exponent : float);
+Procedure frexp(x : float;var mantissa : float; var exponent : integer);
 \Description
 \var{Frexp} returns the mantissa and exponent of it's argument
 \var{x} in \var{mantissa} and \var{exponent}.