polexpr (5may21)

git-svn-id: svn://tug.org/texlive/trunk@59088 c570f23f-e606-0410-a88d-b1316a301751
author: Karl Berry <karl@freefriends.org> 2021-05-05 19:35:58 +0000
committer: Karl Berry <karl@freefriends.org> 2021-05-05 19:35:58 +0000
commit: 9a5889e58edc1fefd23ea27d4db6a872c7d84959 (patch)
tree: 245545ff553ffdb84dd0f5bf678c8b95e2b6701d /Master/texmf-dist/doc/generic/polexpr
parent: 7b445e342c4749ef1f2b35ec54369f94d5aab50f (diff)
2 files changed, 37 insertions, 36 deletions
diff --git a/Master/texmf-dist/doc/generic/polexpr/README.md b/Master/texmf-dist/doc/generic/polexpr/README.md
index 1ea68b2df7e..936520a6220 100644
--- a/Master/texmf-dist/doc/generic/polexpr/README.md
+++ b/Master/texmf-dist/doc/generic/polexpr/README.md
@@ -85,8 +85,10 @@ Releases
   and enhancement of xintexpr 1.4.
 - 0.8.1 (2021/04/12)
   Bugfix: a typo broke the 0.8 ``diff1()`` and related functions.
+- 0.8.2 (2021/05/05)
+  Track `xintexpr` 1.4e changes
 
-Files of 0.8.1 release:
+Files of 0.8.2 release:
 
 - polexpr.sty, polexprcore.tex, polexprexpr.tex, polexprsturm.tex,
 - README.md,
@@ -96,7 +98,7 @@ Acknowledgments
 ---------------
 
 Thanks to Jürgen Gilg whose question about
-[xintexpr](http://www.ctan.org/pkg/xintexpr) usage for differentiating
+[xintexpr](http://www.ctan.org/pkg/xint) usage for differentiating
 polynomials was the initial trigger leading to this package, and to
 Jürgen Gilg and Thomas Söll for testing it on some concrete problems.
 
diff --git a/Master/texmf-dist/doc/generic/polexpr/polexpr.html b/Master/texmf-dist/doc/generic/polexpr/polexpr.html
index 6b9881daef0..25b4fa170c2 100644
--- a/Master/texmf-dist/doc/generic/polexpr/polexpr.html
+++ b/Master/texmf-dist/doc/generic/polexpr/polexpr.html
@@ -598,7 +598,7 @@ a { text-decoration: none; }
 <body>
 <div class="document" id="package-polexpr-documentation">
 <h1 class="title">Package polexpr documentation</h1>
-<p class="subtitle" id="id1">0.8.1 (2021/04/12)</p>
+<p class="subtitle" id="id1">0.8.2 (2021/05/05)</p>
 
 <div class="contents topic" id="contents">
 <p class="topic-title">Contents</p>
@@ -1209,22 +1209,6 @@ declared from <span class="docutils literal">\poldef</span> as variables.</p>
 Only in case of a scalar denominator is it to be considered stable.
 Please use rather <span class="docutils literal">quo()</span>.</p>
 </blockquote>
-<div class="admonition warning">
-<p class="admonition-title">Warning</p>
-<p>The <span class="docutils literal">pow(x,a)</span> function of <a class="reference external" href="http://www.ctan.org/pkg/xint">xintexpr</a> for <span class="docutils literal">x^a</span> with fractional
-<span class="docutils literal">a</span> will not (with current <a class="reference external" href="http://www.ctan.org/pkg/xint">xintexpr</a> <span class="docutils literal">1.4d</span>) accept a polynomial
-as first variable even if the second argument is an integer.</p>
-<p>It is possible (via <span class="docutils literal">\poormanloghack</span>) to instruct <span class="docutils literal">\xintexpr</span> to
-let <span class="docutils literal"><span class="pre">x**a</span></span> or <span class="docutils literal">x^a</span> be as <span class="docutils literal">pow(x,a)</span>.  If this is done <span class="docutils literal">**</span>
-(resp. <span class="docutils literal">^</span>) will become unusable with polynomials (i.e. will create
-a low-level TeX error).</p>
-<p>And vice versa if polexpr gets loaded after the <span class="docutils literal">\poormanloghack</span>
-was used, <span class="docutils literal">**</span> and <span class="docutils literal">^</span> in <span class="docutils literal"><span class="pre">\xintexpr/\xinteval</span></span> will again only
-accept integer powers.</p>
-<p>Thus employ <span class="docutils literal">\poormanloghack</span> for at most one of <span class="docutils literal">**</span> or <span class="docutils literal">^</span>
-in order to keep one of them available for polynomials and integer
-powers.</p>
-</div>
 </div>
 <div class="section" id="experimental-infix-operators">
 <h2><a class="toc-backref" href="#id42">Experimental infix operators <span class="docutils literal">//, /:</span></a></h2>
@@ -3239,20 +3223,9 @@ especially coefficients equal to plus or minus one.</p>
 <span id="poltofloatexprcmd"></span><h3><a class="toc-backref" href="#id152"><span class="docutils literal"><span class="pre">\PolToFloatExprCmd{&lt;raw_coeff&gt;}</span></span></a></h3>
 <blockquote>
 <p>The one-argument macro used by <span class="docutils literal">\PolToFloatExprOneTerm</span>.
-It defaults to <span class="docutils literal"><span class="pre">\xintFloat{#1}</span></span>.</p>
-<div class="admonition caution">
-<p class="admonition-title">Caution!</p>
-<p>Currently <span class="docutils literal">\xintFloat{0}</span> outputs <span class="docutils literal">0.e0</span>
-which is perfectly acceptable input for Python, but not for
-Maple. Thus, one should better leave the <span class="docutils literal">\\ifpoltoexprall</span> TeX
-Boolean to its default <a class="reference internal" href="#poltoexprallfalse">\poltoexprallfalse</a>, if one intends to use
-the output in a Maple worksheet.</p>
-<p>But even then the zero polynomial will cause a problem. Workaround:</p>
-<pre class="literal-block">\renewcommand\PolToFloatExprCmd[1]{\xintiiifZero{#1}{0.0}{\xintFloat{#1}}}</pre>
-<p>Usage of <span class="docutils literal">\xintiiifZero</span> and not <span class="docutils literal">\xintifZero</span> is only for
-optimization (I can't help it) because <span class="docutils literal">#1</span> is known to be
-in <span class="docutils literal">xintfrac</span> raw format.</p>
-</div>
+It defaults to <span class="docutils literal"><span class="pre">\xintPFloat{#1}</span></span>, which trims trailing
+zeroes.</p>
+<p><em>changed at 0.8.2</em> Formerly it was using <span class="docutils literal">\xintFloat</span>.</p>
 </blockquote>
 </div>
 </div>
@@ -4176,13 +4149,13 @@ description</a>.</p>
 </li>
 <li><p>bugfix:</p>
 <ul>
-<li><p>sadly, <span class="docutils literal">diff1()</span>, <span class="docutils literal">diff2()</span>,  <span class="docutils literal">diffn()</span> were broken
+<li><p>Sadly, <span class="docutils literal">diff1()</span>, <span class="docutils literal">diff2()</span>,  <span class="docutils literal">diffn()</span> were broken
 for polynomials of degrees 8 or more, due to a typo and
 insufficient testing.</p></li>
-<li><p>the package should have (as documented) required <a class="reference external" href="http://www.ctan.org/pkg/xint">xintexpr</a> 1.4d
+<li><p>The package should have (as documented) required <a class="reference external" href="http://www.ctan.org/pkg/xint">xintexpr</a> 1.4d
 but in practice it accepted to work with <a class="reference external" href="http://www.ctan.org/pkg/xint">xintexpr</a> 1.4c, whose
 <span class="docutils literal">\xinteval</span> does not know how to &quot;output&quot; a polynomial.</p></li>
-<li><p>the definition of one of the two variants of <a class="reference internal" href="#polsturmnbofrootsof">\PolSturmNbOfRootsOf</a> was broken by an end-of-line space, left-over
+<li><p>The definition of one of the two variants of <a class="reference internal" href="#polsturmnbofrootsof">\PolSturmNbOfRootsOf</a> was broken by an end-of-line space, left-over
 from mass conversion from LaTeX to TeX syntax.</p></li>
 </ul>
 </li>
@@ -4194,6 +4167,32 @@ from mass conversion from LaTeX to TeX syntax.</p></li>
 </li>
 </ul>
 </li>
+<li><p>v0.8.2 (2021/05/05)</p>
+<ul class="simple">
+<li><p>breaking change:</p>
+<ul>
+<li><p>usage of <span class="docutils literal">\xintPFloat</span> in place of <span class="docutils literal">\xintFloat</span> for
+<a class="reference internal" href="#poltofloatexprcmd">\PolToFloatExprCmd</a>.</p></li>
+</ul>
+</li>
+<li><p>improved:</p>
+<ul>
+<li><p>Some <a class="reference external" href="http://www.ctan.org/pkg/xint">xintexpr</a> functions such as <span class="docutils literal">rseq()</span> use the semi-colon,
+and it was mentioned in the documentation that <a class="reference internal" href="#poldef">\poldef</a>
+will be confused by this and that inner semi-colons could be
+set within braces <span class="docutils literal">{;}</span> as a work-around.  It was not clear from
+this documentation that also <a class="reference internal" href="#id8">\PolDef</a> required
+this work-around.  With this relase only <a class="reference internal" href="#poldef">\poldef</a> but
+not <a class="reference internal" href="#id8">\PolDef</a> needs the work-around.</p></li>
+</ul>
+</li>
+</ul>
+<blockquote>
+<ul class="simple">
+<li><p>track <a class="reference external" href="http://www.ctan.org/pkg/xint">xintexpr</a> <span class="docutils literal">1.4e</span> changes relative to powers.</p></li>
+</ul>
+</blockquote>
+</li>
 </ul>
 </div>
 <div class="section" id="acknowledgments">
author	Karl Berry <karl@freefriends.org>	2021-05-05 19:35:58 +0000
committer	Karl Berry <karl@freefriends.org>	2021-05-05 19:35:58 +0000
commit	9a5889e58edc1fefd23ea27d4db6a872c7d84959 (patch)
tree	245545ff553ffdb84dd0f5bf678c8b95e2b6701d /Master/texmf-dist/doc/generic/polexpr
parent	7b445e342c4749ef1f2b35ec54369f94d5aab50f (diff)