On 19/06/2011 14:07, Patrick Dupre wrote:
Hello,
I need to convert the result of an aritmetic operation on 2
bignum into a "normal" float (ie double)
I did not find a way to do this.
no bignum ;
my $res = $A - $B ;
gives me always a bignum ($res) if $A and $B are bignum.
Hey Patrick
I suggest you convert the values to strings, which will force them to be
converted to normal floats before the arithmetic is done.
no bignum ;
my $res = $A->bstr - $B->bstr;
It is also probably better to use Math::BigFloat instead of bignum, so
that you can better control which variables are big floats and which are
normal.
I also wonder why you want to convert big floats into normal ones? The
only reason I can think of is to improve execution speed.
HTH,
Rob
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