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<h3>
Raymond Toy pushed to branch rtoy-bignum-mult-less-consing
at <a href="https://gitlab.common-lisp.net/cmucl/cmucl">cmucl / cmucl</a>
</h3>
<h4>
Commits:
</h4>
<ul>
<li>
<strong><a href="https://gitlab.common-lisp.net/cmucl/cmucl/commit/228359b66be83465dcbda3c1a05ea1bb1cf85605">228359b6</a></strong>
<div>
<span>by Raymond Toy</span>
<i>at 2018-07-15T13:47:44-07:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Refactor common code into a routine
The code for applying the correction is pretty much identical for each
negative operant, so add a routine to do that.
</pre>
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<h4>1 changed file:</h4>
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<a href="#11a9b42e91bb9492da3b5ba9d84c4a7c659dfacb">
src/code/bignum.lisp
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<h4>Changes:</h4>
<li id="11a9b42e91bb9492da3b5ba9d84c4a7c659dfacb">
<a href="https://gitlab.common-lisp.net/cmucl/cmucl/commit/228359b66be83465dcbda3c1a05ea1bb1cf85605#11a9b42e91bb9492da3b5ba9d84c4a7c659dfacb"><strong>src/code/bignum.lisp</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -963,31 +963,29 @@ down to individual words.")</td>
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963
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963
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<pre style="margin: 0;"> <span id="LC963" class="line" lang="common_lisp"> <span class="p">(</span><span class="nb" style="color: #0086b3;">setf</span> <span class="nv" style="color: teal;">carry-digit</span> <span class="nv" style="color: teal;">big-carry</span><span class="p">)</span></span>
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964
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<td class="diff-line-num new_line" data-linenumber="964" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
964
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<pre style="margin: 0;"> <span id="LC964" class="line" lang="common_lisp"> <span class="p">(</span><span class="nb" style="color: #0086b3;">incf</span> <span class="nv" style="color: teal;">k</span><span class="p">)))</span></span>
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965
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<td class="diff-line-num new_line" data-linenumber="965" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
965
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<pre style="margin: 0;"> <span id="LC965" class="line" lang="common_lisp"> <span class="p">(</span><span class="nb" style="color: #0086b3;">setf</span> <span class="p">(</span><span class="nv" style="color: teal;">%bignum-ref</span> <span class="nv" style="color: teal;">res</span> <span class="nv" style="color: teal;">k</span><span class="p">)</span> <span class="nv" style="color: teal;">carry-digit</span><span class="p">)))</span></span>
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966
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<td class="diff-line-num new_line old" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC966" class="line" lang="common_lisp"> <span class="c1" style="color: #998; font-style: italic;">;; Apply corrections if either of the arguments is negative.</span></span>
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<td class="diff-line-num old old_line" data-linenumber="967" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
967
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<td class="diff-line-num new_line old" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC967" class="line" lang="common_lisp"> <span class="p">(</span><span class="nb" style="color: #0086b3;">unless</span> <span class="p">(</span><span class="nv" style="color: teal;">%bignum-0-or-plusp</span> <span class="nv" style="color: teal;">a</span> <span class="nv" style="color: teal;">len-a</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="968" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
968
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<td class="diff-line-num new_line old" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC968" class="line" lang="common_lisp"> <span class="p">(</span><span class="k" style="font-weight: 600;">let</span> <span class="p">((</span><span class="nv" style="color: teal;">borrow</span> <span class="mi" style="color: #099;">1</span><span class="p">))</span></span>
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<td class="diff-line-num old old_line" data-linenumber="969" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
969
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<td class="diff-line-num new_line old" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC969" class="line" lang="common_lisp"> <span class="p">(</span><span class="nb" style="color: #0086b3;">dotimes</span> <span class="p">(</span><span class="nv" style="color: teal;">j</span> <span class="nv" style="color: teal;">len-b</span><span class="p">)</span></span>
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<td class="diff-line-num old old_line" data-linenumber="970" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
970
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<td class="diff-line-num new_line old" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC970" class="line" lang="common_lisp"> <span class="p">(</span><span class="k" style="font-weight: 600;">declare</span> <span class="p">(</span><span class="k" style="font-weight: 600;">type</span> <span class="nv" style="color: teal;">bignum-index</span> <span class="nv" style="color: teal;">j</span><span class="p">))</span></span>
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<td class="diff-line-num old old_line" data-linenumber="971" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
971
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<td class="diff-line-num new_line old" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC971" class="line" lang="common_lisp"> <span class="p">(</span><span class="k" style="font-weight: 600;">let</span> <span class="p">((</span><span class="nv" style="color: teal;">index</span> <span class="p">(</span><span class="nb" style="color: #0086b3;">+</span> <span class="nv" style="color: teal;">j</span> <span class="nv" style="color: teal;">len-a</span><span class="p">)))</span></span>
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<td class="diff-line-num old old_line" data-linenumber="972" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
972
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<td class="diff-line-num new_line old" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC972" class="line" lang="common_lisp"> <span class="p">(</span><span class="k" style="font-weight: 600;">declare</span> <span class="p">(</span><span class="k" style="font-weight: 600;">type</span> <span class="nv" style="color: teal;">bignum-index</span> <span class="nv" style="color: teal;">index</span><span class="p">))</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="973" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
973
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<td class="diff-line-num new_line old" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC973" class="line" lang="common_lisp"> <span class="p">(</span><span class="nb" style="color: #0086b3;">multiple-value-bind</span> <span class="p">(</span><span class="nv" style="color: teal;">d</span> <span class="nv" style="color: teal;">borrow-out</span><span class="p">)</span></span>
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<td class="diff-line-num old old_line" data-linenumber="974" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
974
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<td class="diff-line-num new_line old" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC974" class="line" lang="common_lisp"> <span class="p">(</span><span class="nv" style="color: teal;">%subtract-with-borrow</span> <span class="p">(</span><span class="nv" style="color: teal;">%bignum-ref</span> <span class="nv" style="color: teal;">res</span> <span class="nv" style="color: teal;">index</span><span class="p">)</span></span>
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<td class="diff-line-num old old_line" data-linenumber="975" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
975
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<td class="diff-line-num new_line old" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC975" class="line" lang="common_lisp"> <span class="p">(</span><span class="nv" style="color: teal;">%bignum-ref</span> <span class="nv" style="color: teal;">b</span> <span class="nv" style="color: teal;">j</span><span class="p">)</span></span>
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<td class="diff-line-num old old_line" data-linenumber="976" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
976
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<td class="diff-line-num new_line old" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC976" class="line" lang="common_lisp"> <span class="nv" style="color: teal;">borrow</span><span class="p">)</span></span>
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977
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<td class="diff-line-num new_line old" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC977" class="line" lang="common_lisp"> <span class="p">(</span><span class="nb" style="color: #0086b3;">setf</span> <span class="p">(</span><span class="nv" style="color: teal;">%bignum-ref</span> <span class="nv" style="color: teal;">res</span> <span class="nv" style="color: teal;">index</span><span class="p">)</span> <span class="nv" style="color: teal;">d</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="978" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
978
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<td class="diff-line-num new_line old" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC978" class="line" lang="common_lisp"> <span class="p">(</span><span class="nb" style="color: #0086b3;">setf</span> <span class="nv" style="color: teal;">borrow</span> <span class="nv" style="color: teal;">borrow-out</span><span class="p">))))))</span></span>
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<td class="diff-line-num old old_line" data-linenumber="979" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
979
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<td class="diff-line-num new_line old" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC979" class="line" lang="common_lisp"> <span class="p">(</span><span class="nb" style="color: #0086b3;">unless</span> <span class="p">(</span><span class="nv" style="color: teal;">%bignum-0-or-plusp</span> <span class="nv" style="color: teal;">b</span> <span class="nv" style="color: teal;">len-b</span><span class="p">)</span></span>
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980
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<pre style="margin: 0;">-<span id="LC980" class="line" lang="common_lisp"> <span class="p">(</span><span class="k" style="font-weight: 600;">let</span> <span class="p">((</span><span class="nv" style="color: teal;">borrow</span> <span class="mi" style="color: #099;">1</span><span class="p">))</span></span>
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981
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<pre style="margin: 0;">-<span id="LC981" class="line" lang="common_lisp"> <span class="p">(</span><span class="nb" style="color: #0086b3;">dotimes</span> <span class="p">(</span><span class="nv" style="color: teal;">j</span> <span class="nv" style="color: teal;">len-a</span><span class="p">)</span></span>
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982
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<td class="diff-line-num new_line old" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC982" class="line" lang="common_lisp"> <span class="p">(</span><span class="k" style="font-weight: 600;">declare</span> <span class="p">(</span><span class="k" style="font-weight: 600;">type</span> <span class="nv" style="color: teal;">bignum-index</span> <span class="nv" style="color: teal;">j</span><span class="p">))</span></span>
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<td class="diff-line-num old old_line" data-linenumber="983" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
983
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<td class="diff-line-num new_line old" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC983" class="line" lang="common_lisp"> <span class="p">(</span><span class="k" style="font-weight: 600;">let</span> <span class="p">((</span><span class="nv" style="color: teal;">index</span> <span class="p">(</span><span class="nb" style="color: #0086b3;">+</span> <span class="nv" style="color: teal;">j</span> <span class="nv" style="color: teal;">len-b</span><span class="p">)))</span></span>
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<td class="diff-line-num old old_line" data-linenumber="984" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
984
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<td class="diff-line-num new_line old" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC984" class="line" lang="common_lisp"> <span class="p">(</span><span class="k" style="font-weight: 600;">declare</span> <span class="p">(</span><span class="k" style="font-weight: 600;">type</span> <span class="nv" style="color: teal;">bignum-index</span> <span class="nv" style="color: teal;">index</span><span class="p">))</span></span>
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<td class="diff-line-num old old_line" data-linenumber="985" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
985
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<td class="diff-line-num new_line old" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC985" class="line" lang="common_lisp"> <span class="p">(</span><span class="nb" style="color: #0086b3;">multiple-value-bind</span> <span class="p">(</span><span class="nv" style="color: teal;">d</span> <span class="nv" style="color: teal;">borrow-out</span><span class="p">)</span></span>
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<td class="diff-line-num old old_line" data-linenumber="986" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
986
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<td class="diff-line-num new_line old" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC986" class="line" lang="common_lisp"> <span class="p">(</span><span class="nv" style="color: teal;">%subtract-with-borrow</span> <span class="p">(</span><span class="nv" style="color: teal;">%bignum-ref</span> <span class="nv" style="color: teal;">res</span> <span class="nv" style="color: teal;">index</span><span class="p">)</span></span>
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987
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<pre style="margin: 0;">-<span id="LC987" class="line" lang="common_lisp"> <span class="p">(</span><span class="nv" style="color: teal;">%bignum-ref</span> <span class="nv" style="color: teal;">a</span> <span class="nv" style="color: teal;">j</span><span class="p">)</span></span>
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<td class="diff-line-num old old_line" data-linenumber="988" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
988
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<td class="diff-line-num new_line old" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC988" class="line" lang="common_lisp"> <span class="nv" style="color: teal;">borrow</span><span class="p">)</span></span>
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989
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<td class="diff-line-num new_line old" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC989" class="line" lang="common_lisp"> <span class="p">(</span><span class="nb" style="color: #0086b3;">setf</span> <span class="p">(</span><span class="nv" style="color: teal;">%bignum-ref</span> <span class="nv" style="color: teal;">res</span> <span class="nv" style="color: teal;">index</span><span class="p">)</span> <span class="nv" style="color: teal;">d</span><span class="p">)</span></span>
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990
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<pre style="margin: 0;">-<span id="LC990" class="line" lang="common_lisp"> <span class="p">(</span><span class="nb" style="color: #0086b3;">setf</span> <span class="nv" style="color: teal;">borrow</span> <span class="nv" style="color: teal;">borrow-out</span><span class="p">))))))</span></span>
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966
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<pre style="margin: 0;">+<span id="LC966" class="line" lang="common_lisp"> <span class="p">(</span><span class="k" style="font-weight: 600;">flet</span> <span class="p">((</span><span class="nv" style="color: teal;">apply-correction</span> <span class="p">(</span><span class="nv" style="color: teal;">neg-arg</span> <span class="nv" style="color: teal;">neg-len</span> <span class="nv" style="color: teal;">pos-arg</span> <span class="nv" style="color: teal;">pos-len</span><span class="p">)</span></span>
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<td class="diff-line-num new new_line" data-linenumber="967" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
967
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<pre style="margin: 0;">+<span id="LC967" class="line" lang="common_lisp"> <span class="c1" style="color: #998; font-style: italic;">;; Applies the correction by basically subtracting out</span></span>
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<td class="diff-line-num new new_line" data-linenumber="968" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
968
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<pre style="margin: 0;">+<span id="LC968" class="line" lang="common_lisp"> <span class="c1" style="color: #998; font-style: italic;">;; 2^M*b where M is the length (in bits) of b and b is</span></span>
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<td class="diff-line-num new old_line" data-linenumber="991" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="969" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
969
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<pre style="margin: 0;">+<span id="LC969" class="line" lang="common_lisp"> <span class="c1" style="color: #998; font-style: italic;">;; the positive term in pos-arg. neg-arg is the negative</span></span>
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<td class="diff-line-num new old_line" data-linenumber="991" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="970" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
970
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<pre style="margin: 0;">+<span id="LC970" class="line" lang="common_lisp"> <span class="c1" style="color: #998; font-style: italic;">;; arg.</span></span>
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<td class="diff-line-num new new_line" data-linenumber="971" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
971
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<pre style="margin: 0;">+<span id="LC971" class="line" lang="common_lisp"> <span class="p">(</span><span class="k" style="font-weight: 600;">let</span> <span class="p">((</span><span class="nv" style="color: teal;">borrow</span> <span class="mi" style="color: #099;">1</span><span class="p">))</span></span>
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<td class="diff-line-num new new_line" data-linenumber="972" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
972
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<pre style="margin: 0;">+<span id="LC972" class="line" lang="common_lisp"> <span class="p">(</span><span class="nb" style="color: #0086b3;">dotimes</span> <span class="p">(</span><span class="nv" style="color: teal;">j</span> <span class="nv" style="color: teal;">pos-len</span><span class="p">)</span></span>
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<td class="diff-line-num new new_line" data-linenumber="973" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
973
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<pre style="margin: 0;">+<span id="LC973" class="line" lang="common_lisp"> <span class="p">(</span><span class="k" style="font-weight: 600;">declare</span> <span class="p">(</span><span class="k" style="font-weight: 600;">type</span> <span class="nv" style="color: teal;">bignum-index</span> <span class="nv" style="color: teal;">j</span><span class="p">))</span></span>
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<td class="diff-line-num new new_line" data-linenumber="974" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
974
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<pre style="margin: 0;">+<span id="LC974" class="line" lang="common_lisp"> <span class="p">(</span><span class="k" style="font-weight: 600;">let</span> <span class="p">((</span><span class="nv" style="color: teal;">index</span> <span class="p">(</span><span class="nb" style="color: #0086b3;">+</span> <span class="nv" style="color: teal;">j</span> <span class="nv" style="color: teal;">neg-len</span><span class="p">)))</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="975" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
975
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<pre style="margin: 0;">+<span id="LC975" class="line" lang="common_lisp"> <span class="p">(</span><span class="k" style="font-weight: 600;">declare</span> <span class="p">(</span><span class="k" style="font-weight: 600;">type</span> <span class="nv" style="color: teal;">bignum-index</span> <span class="nv" style="color: teal;">index</span><span class="p">))</span></span>
</pre>
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976
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<pre style="margin: 0;">+<span id="LC976" class="line" lang="common_lisp"> <span class="p">(</span><span class="nb" style="color: #0086b3;">multiple-value-bind</span> <span class="p">(</span><span class="nv" style="color: teal;">d</span> <span class="nv" style="color: teal;">borrow-out</span><span class="p">)</span></span>
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<td class="diff-line-num new new_line" data-linenumber="977" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
977
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<pre style="margin: 0;">+<span id="LC977" class="line" lang="common_lisp"> <span class="p">(</span><span class="nv" style="color: teal;">%subtract-with-borrow</span> <span class="p">(</span><span class="nv" style="color: teal;">%bignum-ref</span> <span class="nv" style="color: teal;">res</span> <span class="nv" style="color: teal;">index</span><span class="p">)</span></span>
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<td class="diff-line-num new new_line" data-linenumber="978" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
978
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<pre style="margin: 0;">+<span id="LC978" class="line" lang="common_lisp"> <span class="p">(</span><span class="nv" style="color: teal;">%bignum-ref</span> <span class="nv" style="color: teal;">pos-arg</span> <span class="nv" style="color: teal;">j</span><span class="p">)</span></span>
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<td class="diff-line-num new new_line" data-linenumber="979" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
979
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<pre style="margin: 0;">+<span id="LC979" class="line" lang="common_lisp"> <span class="nv" style="color: teal;">borrow</span><span class="p">)</span></span>
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<td class="diff-line-num new new_line" data-linenumber="980" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
980
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<pre style="margin: 0;">+<span id="LC980" class="line" lang="common_lisp"> <span class="p">(</span><span class="nb" style="color: #0086b3;">setf</span> <span class="p">(</span><span class="nv" style="color: teal;">%bignum-ref</span> <span class="nv" style="color: teal;">res</span> <span class="nv" style="color: teal;">index</span><span class="p">)</span> <span class="nv" style="color: teal;">d</span><span class="p">)</span></span>
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<td class="diff-line-num new new_line" data-linenumber="981" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
981
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<pre style="margin: 0;">+<span id="LC981" class="line" lang="common_lisp"> <span class="p">(</span><span class="nb" style="color: #0086b3;">setf</span> <span class="nv" style="color: teal;">borrow</span> <span class="nv" style="color: teal;">borrow-out</span><span class="p">)))))))</span></span>
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<td class="diff-line-num new new_line" data-linenumber="982" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
982
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<pre style="margin: 0;">+<span id="LC982" class="line" lang="common_lisp"> <span class="c1" style="color: #998; font-style: italic;">;; Apply corrections if either of the arguments is negative.</span></span>
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<td class="diff-line-num new new_line" data-linenumber="983" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
983
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<pre style="margin: 0;">+<span id="LC983" class="line" lang="common_lisp"> <span class="p">(</span><span class="nb" style="color: #0086b3;">unless</span> <span class="p">(</span><span class="nv" style="color: teal;">%bignum-0-or-plusp</span> <span class="nv" style="color: teal;">a</span> <span class="nv" style="color: teal;">len-a</span><span class="p">)</span></span>
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<td class="diff-line-num new new_line" data-linenumber="984" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
984
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<pre style="margin: 0;">+<span id="LC984" class="line" lang="common_lisp"> <span class="c1" style="color: #998; font-style: italic;">;; A is negative</span></span>
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<td class="diff-line-num new new_line" data-linenumber="985" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
985
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<pre style="margin: 0;">+<span id="LC985" class="line" lang="common_lisp"> <span class="p">(</span><span class="nv" style="color: teal;">apply-correction</span> <span class="nv" style="color: teal;">a</span> <span class="nv" style="color: teal;">len-a</span> <span class="nv" style="color: teal;">b</span> <span class="nv" style="color: teal;">len-b</span><span class="p">))</span></span>
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986
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<pre style="margin: 0;">+<span id="LC986" class="line" lang="common_lisp"> <span class="p">(</span><span class="nb" style="color: #0086b3;">unless</span> <span class="p">(</span><span class="nv" style="color: teal;">%bignum-0-or-plusp</span> <span class="nv" style="color: teal;">b</span> <span class="nv" style="color: teal;">len-b</span><span class="p">)</span></span>
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987
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<pre style="margin: 0;">+<span id="LC987" class="line" lang="common_lisp"> <span class="c1" style="color: #998; font-style: italic;">;; B is negative</span></span>
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988
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<pre style="margin: 0;">+<span id="LC988" class="line" lang="common_lisp"> <span class="p">(</span><span class="nv" style="color: teal;">apply-correction</span> <span class="nv" style="color: teal;">b</span> <span class="nv" style="color: teal;">len-b</span> <span class="nv" style="color: teal;">a</span> <span class="nv" style="color: teal;">len-a</span><span class="p">)))</span></span>
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991
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989
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<pre style="margin: 0;"> <span id="LC989" class="line" lang="common_lisp"> <span class="p">(</span><span class="nv" style="color: teal;">%normalize-bignum</span> <span class="nv" style="color: teal;">res</span> <span class="nv" style="color: teal;">len-res</span><span class="p">)))</span></span>
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992
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990
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<pre style="margin: 0;"> <span id="LC990" class="line" lang="common_lisp"></span>
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993
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991
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<pre style="margin: 0;"> <span id="LC991" class="line" lang="common_lisp"><span class="p">(</span><span class="nb" style="color: #0086b3;">defparameter</span> <span class="vg" style="color: teal;">*min-karatsuba-bits*</span> <span class="mi" style="color: #099;">512</span></span>
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