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From: Jeff Hammond <jehammond@nvidia.com>
To: WG5 <sc22wg5@open-std.org>
Subject: REAL kinds for ERF, e.g.
Thread-Topic: REAL kinds for ERF, e.g.
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Date: Tue, 27 Feb 2024 10:59:51 +0000
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When it says =93type real=94 below, is it implicit that all REAL kinds supp=
orted by the implementation are supported by ERF?  If an implementation sup=
ports REAL(2), REAL(4), REAL(8) and REAL(16), one would expect ERF to work =
for all of them, right?

Thanks,

Jeff

16.9.79 ERF (X)

Description. Error function.

Class. Elemental function.

Argument. X shall be of type real.

Result Characteristics. Same as X.


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<p><span style=3D"font-size:12.0pt;font-family:&quot;LMSans10&quot;,serif">=
When it says =93type real=94 below, is it implicit that all REAL kinds supp=
orted by the implementation are supported by ERF?&nbsp; If an implementatio=
n supports REAL(2), REAL(4), REAL(8) and REAL(16), one
 would expect ERF to work for all of them, right?<o:p></o:p></span></p>
<p><span style=3D"font-size:12.0pt;font-family:&quot;LMSans10&quot;,serif">=
Thanks,<o:p></o:p></span></p>
<p><span style=3D"font-size:12.0pt;font-family:&quot;LMSans10&quot;,serif">=
Jeff<o:p></o:p></span></p>
<p><b><span style=3D"font-size:12.0pt;font-family:&quot;LMSans10&quot;,seri=
f">16.9.79 ERF (X)
</span></b><o:p></o:p></p>
<p><b><span style=3D"font-size:10.0pt;font-family:&quot;LMRoman10&quot;,ser=
if">Description. </span>
</b><span style=3D"font-size:10.0pt;font-family:&quot;LMRoman10&quot;,serif=
">Error function.<o:p></o:p></span></p>
<p><b><span style=3D"font-size:10.0pt;font-family:&quot;LMRoman10&quot;,ser=
if">Class. </span>
</b><span style=3D"font-size:10.0pt;font-family:&quot;LMRoman10&quot;,serif=
;color:blue">Elemental
</span><span style=3D"font-size:10.0pt;font-family:&quot;LMRoman10&quot;,se=
rif">function. <o:p>
</o:p></span></p>
<p><b><span style=3D"font-size:10.0pt;font-family:&quot;LMRoman10&quot;,ser=
if">Argument. </span>
</b><span style=3D"font-size:10.0pt;font-family:&quot;LMRoman10&quot;,serif=
">X shall be of type real.
<o:p></o:p></span></p>
<p><b><span style=3D"font-size:10.0pt;font-family:&quot;LMRoman10&quot;,ser=
if">Result Characteristics.
</span></b><span style=3D"font-size:10.0pt;font-family:&quot;LMRoman10&quot=
;,serif">Same as X.
</span><o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt"><o:p>&nbsp;</o:p></=
span></p>
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