bfloat erf(z)



On 4-9-09 Dieter Kaiser wrote:

>> Is it possible to improve bfloat to get automatic conversion to
>> bigfloat of stuff like cos(0.25*%pi) ?
>>
>> Also, why hasn't the " 0.25 " inside the trig function been converted to 
>> a
>> bigfloat in
>> the first pass?
>

> The problem is the numerical routine of the erf function for complex
> bigfloat values. The constants are not completely converted to
> bigfloats. Later in the calculation we get the terms you have observed.
>
> I have improved the numerical routine and will commit the change. These
> are the results with the improvements:

Thanks for you work on this and many other problems.
Maxima is the future!

Ted Woollett