Barnett, David 1987. A Portable Floating-Point Environment, unpublished manuscript.  Home/Search   Document Not in Database   Summary   Related Articles   Check

....products are out of range, the trap handler is never called and the computation incurs no extra cost. Even if there are over underflows, the calculation is more accurate than if it had been computed with logarithms, because each p k was computed from p k 1 using a full precision multiply. Barnett [1987] discusses a formula where the full accuracy of over underflow counting turned up an error in earlier tables of that formula. IEEE 754 specifies that when an overflow or underflow trap handler is called, it is passed the wrapped around result as an argument. The definition of wrapped around for ....

Barnett, David 1987. A Portable Floating-Point Environment, unpublished manuscript.

....pr oducts ar e out of range, the trap handler is never called and the computation incurs no extra cost. Even if ther e are over underflows, the calculation is mor e accurate than if it had been computed with logarithms, because each p k was computed fr om p k 1 using a full pr ecision multiply. Barnett [1987] discusses a formula wher e the full accuracy of over underflow counting turned up an err or in earlier tables of that formula. IEEE 754 specifies that when an overflow or underflow trap handler is called, it is passed the wrapped around r esult as an ar gument. The definition of wrapped around ....

Barnett, David 1987.A Portable Floating-Point Environment, unpublished manuscript.

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Barnett, David 1987. A Portable Floating-Point Environment, unpublished manuscript.

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