Re: Patch for erfinv.m

[John W. Eaton]

On 21-Jan-2008, Alois Schloegl wrote:

| >> Consider the following patch for erfinv.
| >>
| >> It (1) replaces z_old and z_new by a single variable z, and
| >> (2) makes the initial checks simpler.
| >>
| >> The code becomes leaner, and a bit faster.

I applied the patch but used

  ## x < 1 or x > 1 ==> NaN
  y(abs (x) >= 1) = NaN;

instead of

| +  y(~(abs(x) < 1)) = NaN;  %% x<1, x>1, x=NaN

Any reason not to make this change?

Thanks,

jwe