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Re: [gfortran] PR15206 RRSPACING wrong for zero


On Saturday 08 May 2004 17:28, Tobias Schlüter wrote:
> This patch fixes the RRSPACING intrinsic. It didn't return the correct
> result for a zero argument. I don't really understand how the original
> code worked, but I verified that RRSPACING(x) == x/SPACING(x) for a wide
> range of arguments. I used the condition (expn == 0 && frac == 0) to
> check for a zero argument, if this is not the correct check, please
> correct this.

I think frac==0 is a sufficient test. The result of clz(0) is undefined, so we 
want to avoid that anyway

> - Tobi
>
>
> 2004-05-08  Tobias Schlüter <tobias.schlueter@physik.uni-muenchen.de>
>
> 	PR fortran/15206
> 	* trans-intrinsic.c (gfc_conv_intrinsic_rrspacing): Fixed to
> 	handle zero correctly.
>

Ok, with the modified test

Paul


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