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| author | Craig Jennings <c@cjennings.net> | 2025-08-14 22:58:58 -0500 |
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| committer | Craig Jennings <c@cjennings.net> | 2025-08-14 22:58:58 -0500 |
| commit | 82ba818ff456bcd6d56a06226e3f27e98fbb55c3 (patch) | |
| tree | 158cfc17b2f644a10f063cb546752cfaae12c97f /devdocs/elisp/numeric-conversions.html | |
| parent | 9278ddd4ea1a8b1a4c1edaa8894516e3f48d245b (diff) | |
| download | dotemacs-82ba818ff456bcd6d56a06226e3f27e98fbb55c3.tar.gz dotemacs-82ba818ff456bcd6d56a06226e3f27e98fbb55c3.zip | |
removing all downloaded devdocs files
Diffstat (limited to 'devdocs/elisp/numeric-conversions.html')
| -rw-r--r-- | devdocs/elisp/numeric-conversions.html | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/devdocs/elisp/numeric-conversions.html b/devdocs/elisp/numeric-conversions.html deleted file mode 100644 index 4680b19d..00000000 --- a/devdocs/elisp/numeric-conversions.html +++ /dev/null @@ -1,58 +0,0 @@ - <h3 class="section">Numeric Conversions</h3> <p>To convert an integer to floating point, use the function <code>float</code>. </p> <dl> <dt id="float">Function: <strong>float</strong> <em>number</em> -</dt> <dd><p>This returns <var>number</var> converted to floating point. If <var>number</var> is already floating point, <code>float</code> returns it unchanged. </p></dd> -</dl> <p>There are four functions to convert floating-point numbers to integers; they differ in how they round. All accept an argument <var>number</var> and an optional argument <var>divisor</var>. Both arguments may be integers or floating-point numbers. <var>divisor</var> may also be <code>nil</code>. If <var>divisor</var> is <code>nil</code> or omitted, these functions convert <var>number</var> to an integer, or return it unchanged if it already is an integer. If <var>divisor</var> is non-<code>nil</code>, they divide <var>number</var> by <var>divisor</var> and convert the result to an integer. If <var>divisor</var> is zero (whether integer or floating point), Emacs signals an <code>arith-error</code> error. </p> <dl> <dt id="truncate">Function: <strong>truncate</strong> <em>number &optional divisor</em> -</dt> <dd> -<p>This returns <var>number</var>, converted to an integer by rounding towards zero. </p> <div class="example"> <pre class="example">(truncate 1.2) - ⇒ 1 -(truncate 1.7) - ⇒ 1 -(truncate -1.2) - ⇒ -1 -(truncate -1.7) - ⇒ -1 -</pre> -</div> </dd> -</dl> <dl> <dt id="floor">Function: <strong>floor</strong> <em>number &optional divisor</em> -</dt> <dd> -<p>This returns <var>number</var>, converted to an integer by rounding downward (towards negative infinity). </p> <p>If <var>divisor</var> is specified, this uses the kind of division operation that corresponds to <code>mod</code>, rounding downward. </p> <div class="example"> <pre class="example">(floor 1.2) - ⇒ 1 -(floor 1.7) - ⇒ 1 -(floor -1.2) - ⇒ -2 -(floor -1.7) - ⇒ -2 -(floor 5.99 3) - ⇒ 1 -</pre> -</div> </dd> -</dl> <dl> <dt id="ceiling">Function: <strong>ceiling</strong> <em>number &optional divisor</em> -</dt> <dd> -<p>This returns <var>number</var>, converted to an integer by rounding upward (towards positive infinity). </p> <div class="example"> <pre class="example">(ceiling 1.2) - ⇒ 2 -(ceiling 1.7) - ⇒ 2 -(ceiling -1.2) - ⇒ -1 -(ceiling -1.7) - ⇒ -1 -</pre> -</div> </dd> -</dl> <dl> <dt id="round">Function: <strong>round</strong> <em>number &optional divisor</em> -</dt> <dd> -<p>This returns <var>number</var>, converted to an integer by rounding towards the nearest integer. Rounding a value equidistant between two integers returns the even integer. </p> <div class="example"> <pre class="example">(round 1.2) - ⇒ 1 -(round 1.7) - ⇒ 2 -(round -1.2) - ⇒ -1 -(round -1.7) - ⇒ -2 -</pre> -</div> </dd> -</dl><div class="_attribution"> - <p class="_attribution-p"> - Copyright © 1990-1996, 1998-2022 Free Software Foundation, Inc. <br>Licensed under the GNU GPL license.<br> - <a href="https://www.gnu.org/software/emacs/manual/html_node/elisp/Numeric-Conversions.html" class="_attribution-link">https://www.gnu.org/software/emacs/manual/html_node/elisp/Numeric-Conversions.html</a> - </p> -</div> |
