Rebuild HTML docs.
This commit is contained in:
@@ -13,7 +13,7 @@
|
||||
<script src="../_static/jquery.js"></script>
|
||||
<script src="../_static/underscore.js"></script>
|
||||
<script src="../_static/doctools.js"></script>
|
||||
<script defer="defer" src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>
|
||||
<script async="async" src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>
|
||||
<link rel="index" title="Index" href="../genindex.html" />
|
||||
<link rel="search" title="Search" href="../search.html" />
|
||||
<link rel="next" title="Square Spiral Example Joy Code" href="Square_Spiral.html" />
|
||||
@@ -40,7 +40,7 @@
|
||||
to write a function that can compute the square root of a number.</p>
|
||||
<p>Cf. <a class="reference external" href="https://www.cs.kent.ac.uk/people/staff/dat/miranda/whyfp90.pdf">“Why Functional Programming Matters” by John
|
||||
Hughes</a></p>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="kn">from</span> <span class="nn">notebook_preamble</span> <span class="kn">import</span> <span class="n">J</span><span class="p">,</span> <span class="n">V</span><span class="p">,</span> <span class="n">define</span>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span>from notebook_preamble import J, V, define
|
||||
</pre></div>
|
||||
</div>
|
||||
<section id="a-generator-for-approximations">
|
||||
@@ -92,10 +92,10 @@ function we’re writing. If we let 1 be the initial approximation:</p>
|
||||
<span class="mi">1</span> <span class="p">[</span><span class="n">dup</span> <span class="mi">23</span> <span class="n">over</span> <span class="o">/</span> <span class="o">+</span> <span class="mi">2</span> <span class="o">/</span><span class="p">]</span> <span class="n">make_generator</span>
|
||||
</pre></div>
|
||||
</div>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="n">define</span><span class="p">(</span><span class="s1">'gsra 1 swap [over / + 2 /] cons [dup] swoncat make_generator'</span><span class="p">)</span>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span>define('gsra 1 swap [over / + 2 /] cons [dup] swoncat make_generator')
|
||||
</pre></div>
|
||||
</div>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="n">J</span><span class="p">(</span><span class="s1">'23 gsra'</span><span class="p">)</span>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span>J('23 gsra')
|
||||
</pre></div>
|
||||
</div>
|
||||
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="p">[</span><span class="mi">1</span> <span class="p">[</span><span class="n">dup</span> <span class="mi">23</span> <span class="n">over</span> <span class="o">/</span> <span class="o">+</span> <span class="mi">2</span> <span class="o">/</span><span class="p">]</span> <span class="n">codireco</span><span class="p">]</span>
|
||||
@@ -103,7 +103,7 @@ function we’re writing. If we let 1 be the initial approximation:</p>
|
||||
</div>
|
||||
<p>Let’s drive the generator a few time (with the <code class="docutils literal notranslate"><span class="pre">x</span></code> combinator) and
|
||||
square the approximation to see how well it works…</p>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="n">J</span><span class="p">(</span><span class="s1">'23 gsra 6 [x popd] times first sqr'</span><span class="p">)</span>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span>J('23 gsra 6 [x popd] times first sqr')
|
||||
</pre></div>
|
||||
</div>
|
||||
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="mf">23.0000000001585</span>
|
||||
@@ -145,7 +145,7 @@ generated already and epsilon ε is handy on the stack…</p>
|
||||
<span class="p">(</span><span class="nb">abs</span><span class="p">(</span><span class="n">a</span><span class="o">-</span><span class="n">b</span><span class="p">)</span><span class="o"><=</span><span class="n">ε</span><span class="p">)</span>
|
||||
</pre></div>
|
||||
</div>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="n">define</span><span class="p">(</span><span class="s1">'_within_P [first - abs] dip <='</span><span class="p">)</span>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span>define('_within_P [first - abs] dip <=')
|
||||
</pre></div>
|
||||
</div>
|
||||
</section>
|
||||
@@ -157,7 +157,7 @@ generated already and epsilon ε is handy on the stack…</p>
|
||||
<span class="n">b</span>
|
||||
</pre></div>
|
||||
</div>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="n">define</span><span class="p">(</span><span class="s1">'_within_B roll< popop first'</span><span class="p">)</span>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span>define('_within_B roll< popop first')
|
||||
</pre></div>
|
||||
</div>
|
||||
</section>
|
||||
@@ -182,7 +182,7 @@ generated already and epsilon ε is handy on the stack…</p>
|
||||
<span class="n">b</span> <span class="p">[</span><span class="n">c</span> <span class="n">G</span><span class="p">]</span> <span class="n">ε</span> <span class="n">within</span>
|
||||
</pre></div>
|
||||
</div>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="n">define</span><span class="p">(</span><span class="s1">'_within_R [popd x] dip'</span><span class="p">)</span>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span>define('_within_R [popd x] dip')
|
||||
</pre></div>
|
||||
</div>
|
||||
</section>
|
||||
@@ -194,33 +194,33 @@ generated already and epsilon ε is handy on the stack…</p>
|
||||
<span class="n">a</span> <span class="p">[</span><span class="n">b</span> <span class="n">G</span><span class="p">]</span> <span class="n">ε</span> <span class="o">...</span>
|
||||
</pre></div>
|
||||
</div>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="n">define</span><span class="p">(</span><span class="s1">'within x 0.000000001 [_within_P] [_within_B] [_within_R] tailrec'</span><span class="p">)</span>
|
||||
<span class="n">define</span><span class="p">(</span><span class="s1">'sqrt gsra within'</span><span class="p">)</span>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span>define('within x 0.000000001 [_within_P] [_within_B] [_within_R] tailrec')
|
||||
define('sqrt gsra within')
|
||||
</pre></div>
|
||||
</div>
|
||||
<p>Try it out…</p>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="n">J</span><span class="p">(</span><span class="s1">'36 sqrt'</span><span class="p">)</span>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span>J('36 sqrt')
|
||||
</pre></div>
|
||||
</div>
|
||||
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="mf">6.0</span>
|
||||
</pre></div>
|
||||
</div>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="n">J</span><span class="p">(</span><span class="s1">'23 sqrt'</span><span class="p">)</span>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span>J('23 sqrt')
|
||||
</pre></div>
|
||||
</div>
|
||||
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="mf">4.795831523312719</span>
|
||||
</pre></div>
|
||||
</div>
|
||||
<p>Check it.</p>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="mf">4.795831523312719</span><span class="o">**</span><span class="mi">2</span>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span>4.795831523312719**2
|
||||
</pre></div>
|
||||
</div>
|
||||
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="mf">22.999999999999996</span>
|
||||
</pre></div>
|
||||
</div>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="kn">from</span> <span class="nn">math</span> <span class="kn">import</span> <span class="n">sqrt</span>
|
||||
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span>from math import sqrt
|
||||
|
||||
<span class="n">sqrt</span><span class="p">(</span><span class="mi">23</span><span class="p">)</span>
|
||||
sqrt(23)
|
||||
</pre></div>
|
||||
</div>
|
||||
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="mf">4.795831523312719</span>
|
||||
@@ -316,7 +316,7 @@ generated already and epsilon ε is handy on the stack…</p>
|
||||
</a>
|
||||
<br />
|
||||
<span xmlns:dct="http://purl.org/dc/terms/" property="dct:title">Thun Documentation</span> by <a xmlns:cc="http://creativecommons.org/ns#" href="https://joypy.osdn.io/" property="cc:attributionName" rel="cc:attributionURL">Simon Forman</a> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/">Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License</a>.<br />Based on a work at <a xmlns:dct="http://purl.org/dc/terms/" href="https://osdn.net/projects/joypy/" rel="dct:source">https://osdn.net/projects/joypy/</a>.
|
||||
Created using <a href="http://sphinx-doc.org/">Sphinx</a> 4.3.0.
|
||||
Created using <a href="http://sphinx-doc.org/">Sphinx</a> 4.4.0.
|
||||
</div>
|
||||
|
||||
</body>
|
||||
|
||||
Reference in New Issue
Block a user