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Update documentation for floats.

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This commit is contained in:
Christian Theune 2016-01-06 08:41:53 +01:00
parent 934642155c
commit b4bda4765a
4 changed files with 24 additions and 12 deletions
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18
doc/manual/expressions/builtins.xml
View file

@ -32,7 +32,7 @@ available as <function>builtins.derivation</function>.</para>
<varlistentry><term><function>builtins.add</function>
<replaceable>e1</replaceable> <replaceable>e2</replaceable></term>
<listitem><para>Return the sum of the integers
<listitem><para>Return the sum of the numbers
<replaceable>e1</replaceable> and
<replaceable>e2</replaceable>.</para></listitem>
@ -204,7 +204,7 @@ if builtins ? getEnv then builtins.getEnv "PATH" else ""</programlisting>
<varlistentry><term><function>builtins.div</function>
<replaceable>e1</replaceable> <replaceable>e2</replaceable></term>
<listitem><para>Return the quotient of the integers
<listitem><para>Return the quotient of the numbers
<replaceable>e1</replaceable> and
<replaceable>e2</replaceable>.</para></listitem>
@ -335,7 +335,7 @@ stdenv.mkDerivation {
</varlistentry>
<varlistentry><term><function>builtins.foldl’</function>
<varlistentry><term><function>builtins.foldl’</function>
<replaceable>op</replaceable> <replaceable>nul</replaceable> <replaceable>list</replaceable></term>
<listitem><para>Reduce a list by applying a binary operator, from
@ -602,12 +602,12 @@ x: x + 456</programlisting>
<varlistentry><term><function>builtins.lessThan</function>
<replaceable>e1</replaceable> <replaceable>e2</replaceable></term>
<listitem><para>Return <literal>true</literal> if the integer
<replaceable>e1</replaceable> is less than the integer
<listitem><para>Return <literal>true</literal> if the number
<replaceable>e1</replaceable> is less than the number
<replaceable>e2</replaceable>, and <literal>false</literal>
otherwise. Evaluation aborts if either
<replaceable>e1</replaceable> or <replaceable>e2</replaceable>
does not evaluate to an integer.</para></listitem>
does not evaluate to a number.</para></listitem>
</varlistentry>
@ -658,7 +658,7 @@ map (x: "foo" + x) [ "bar" "bla" "abc" ]</programlisting>
<varlistentry><term><function>builtins.mul</function>
<replaceable>e1</replaceable> <replaceable>e2</replaceable></term>
<listitem><para>Return the product of the integers
<listitem><para>Return the product of the numbers
<replaceable>e1</replaceable> and
<replaceable>e2</replaceable>.</para></listitem>
@ -815,7 +815,7 @@ builtins.sort builtins.lessThan [ 483 249 526 147 42 77 ]
<varlistentry><term><function>builtins.sub</function>
<replaceable>e1</replaceable> <replaceable>e2</replaceable></term>
<listitem><para>Return the difference between the integers
<listitem><para>Return the difference between the numbers
<replaceable>e1</replaceable> and
<replaceable>e2</replaceable>.</para></listitem>
@ -942,7 +942,7 @@ in foo</programlisting>
<varlistentry><term><function>builtins.toJSON</function> <replaceable>e</replaceable></term>
<listitem><para>Return a string containing a JSON representation
of <replaceable>e</replaceable>. Strings, integers, booleans,
of <replaceable>e</replaceable>. Strings, integers, floats, booleans,
nulls and lists are mapped to their JSON equivalents. Sets
(except derivations) are represented as objects. Derivations are
translated to a JSON string containing the derivation’s output

2
doc/manual/expressions/derivations.xml
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@ -43,7 +43,7 @@ of which specify the inputs of the build.</para>
<itemizedlist>
<listitem><para>Strings and integers are just passed
<listitem><para>Strings and numbers are just passed
verbatim.</para></listitem>
<listitem><para>A <emphasis>path</emphasis> (e.g.,

9
doc/manual/expressions/language-values.xml
View file

@ -140,8 +140,13 @@ stdenv.mkDerivation {
</listitem>
<listitem><para><emphasis>Integers</emphasis>, e.g.,
<literal>123</literal>.</para></listitem>
<listitem><para>Numbers, which can be <emphasis>integers</emphasis> (like
<literal>123</literal>) or <emphasis>floating point</emphasis> (like
<literal>123.43</literal> or <literal>.27e13</literal>).</para>
<para>Numbers are type-compatible: pure integer operations will always
return integers, whereas any operation involving at least one floating point
number will have a floating point number as a result.</para></listitem>
<listitem><para><emphasis>Paths</emphasis>, e.g.,
<filename>/bin/sh</filename> or <filename>./builder.sh</filename>.

7
doc/manual/release-notes/rl-1.11.xml
View file

@ -10,6 +10,13 @@
features:</para>
<itemizedlist>
<listitem>
<para>The Nix language now supports floating point numbers. They are
based on regular C++ <literal>float</literal> and compatible with
existing integers and number-related operations. Export and import to and
from JSON and XML works, too.
</para>
</listitem>
<listitem>
<para>All "chroot"-containing strings got renamed to "sandbox".
In particular, some nix options got renamed, but the old names