[gambit-list] First fix to "New _num.scm"
Bradley Lucier
lucier at math.purdue.edu
Wed Apr 18 08:40:19 EDT 2007
The new fft routine is a complex fft rather than a real fft, and so a
bigger intermediate f64 array is used for a multiplication of a
bigger size, so we need
> (define ##bignum.fft-mul-max-width
> (if (##fixnum? -1073741824) ; to avoid creating f64vectors that
> are too long
> 536870912
> 2097152))
> (set! ##bignum.fft-mul-max-width ##bignum.fft-mul-max-width)
instead of
> (define ##bignum.fft-mul-max-width
> (if (##fixnum? -1073741824) ; to avoid creating f64vectors that
> are too long
> 536870912
> 4194304))
> (set! ##bignum.fft-mul-max-width ##bignum.fft-mul-max-width)
Brad
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