<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
        {font-family:Wingdings;
        panose-1:5 0 0 0 0 0 0 0 0 0;}
@font-face
        {font-family:"Cambria Math";
        panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
        {font-family:Calibri;
        panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
        {font-family:"Book Antiqua";
        panose-1:2 4 6 2 5 3 5 3 3 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
        {margin:0cm;
        margin-bottom:.0001pt;
        font-size:12.0pt;
        font-family:"Times New Roman",serif;}
a:link, span.MsoHyperlink
        {mso-style-priority:99;
        color:blue;
        text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
        {mso-style-priority:99;
        color:purple;
        text-decoration:underline;}
span.EmailStyle17
        {mso-style-type:personal-reply;
        font-family:"Book Antiqua",serif;
        font-variant:normal !important;
        color:windowtext;
        text-transform:none;
        font-weight:normal;
        font-style:normal;
        text-decoration:none none;
        vertical-align:baseline;}
.MsoChpDefault
        {mso-style-type:export-only;
        font-family:"Calibri",sans-serif;
        mso-fareast-language:EN-US;}
@page WordSection1
        {size:612.0pt 792.0pt;
        margin:72.0pt 72.0pt 72.0pt 72.0pt;}
div.WordSection1
        {page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-IE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-family:"Book Antiqua",serif'>Perhaps it would require a new equivalent FP contract for ‘</span><span style='font-family:"Courier New"'>SFLT_EVAL_METHOD</span><span style='font-family:"Book Antiqua",serif'>’ since ‘</span><span style='font-family:"Courier New"'>FLT_EVAL_METHOD</span><span style='font-family:"Book Antiqua",serif'>’ specifically applies to ‘</span><span style='font-family:"Courier New"'>float</span><span style='font-family:"Book Antiqua",serif'>’.  These are the kind of details that would need to be thoroughly specified before such a thing could be considered for inclusion in any future Standard.  Not a simple task </span><span style='font-family:Wingdings'>J</span><span style='font-family:"Book Antiqua",serif;mso-fareast-language:EN-US'><o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Hubert Tong [mailto:hubert.reinterpretcast@gmail.com] <br><b>Sent:</b> 16 June 2017 14:10<br><br><o:p></o:p></span></p><div><div><div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><p class=MsoNormal><span style='font-family:"Book Antiqua",serif'>Of course, there is the inconsistency that ‘</span><span style='font-family:"Courier New"'>short float</span><span style='font-family:"Book Antiqua",serif'>’ is not promoted to ‘</span><span style='font-family:"Courier New"'>double</span><span style='font-family:"Book Antiqua",serif'>’ to perform arithmetic which is at variance with how ‘</span><span style='font-family:"Courier New"'>float</span><span style='font-family:"Book Antiqua",serif'>’ is handled (though I do promote it to ‘</span><span style='font-family:"Courier New"'>double</span><span style='font-family:"Book Antiqua",serif'>’ for passing as an argument to variadic functions such as ‘</span><span style='font-family:"Courier New"'>printf</span><span style='font-family:"Book Antiqua",serif'>’).</span><o:p></o:p></p></div></div></blockquote><div><p class=MsoNormal>My understanding is that `<span style='font-family:"Courier New"'>float</span>' arithmetic operations do not necessarily occur in the range and precision of `<span style='font-family:"Courier New"'>double</span>'. In particular, the usual arithmetic conversions admit `<span style='font-family:"Courier New"'>float</span>' as a result. My guess is that <span style='font-family:"Courier New"'>FLT_EVAL_METHOD</span> would be a factor to consider for consistency.<br><br><o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p></div></div></div></body></html>