diff options
Diffstat (limited to 'opcodes/init.xml')
| -rw-r--r-- | opcodes/init.xml | 53 |
1 files changed, 48 insertions, 5 deletions
diff --git a/opcodes/init.xml b/opcodes/init.xml index c066b67..24892ef 100644 --- a/opcodes/init.xml +++ b/opcodes/init.xml @@ -9,7 +9,7 @@ <refnamediv> <refname>init</refname> <refpurpose> - Puts the value of the i-time expression into a k- or a-rate variable. + Puts the value of the i-time expression into a k-, a-rate or t- variable. </refpurpose> </refnamediv> @@ -20,7 +20,8 @@ <synopsis>kres <command>init</command> iarg</synopsis> <synopsis>ares, ... <command>init</command> iarg, ...</synopsis> <synopsis>ires, ... <command>init</command> iarg, ...</synopsis> - <synopsis>kres, ...<command>init</command> iarg, ...</synopsis> + <synopsis>kres, ... <command>init</command> iarg, ...</synopsis> + <synopsis>tab <command>init</command> isize[, ival]</synopsis> </refsect1> <refsect1> @@ -34,7 +35,7 @@ <title>Initialization</title> <para> Puts the value of the i-time expression - <emphasis>iarg</emphasis> into a k- or a-rate variable, i.e., + <emphasis>iarg</emphasis> into a k-, a-rate or t- variable, i.e., initialize the result. Note that <emphasis role="strong">init</emphasis> provides the only case of an init-time statement being permitted to write into a perf-time @@ -47,15 +48,57 @@ output variables than input expressions then the last one is repeated. It is an error to have more inputs than outputs. </para> + <para> + The t-variable form was introduced in 5.14 and allocated space + for a vector or the given size, initialised to the given value + (default value is zero). + </para> </refsect1> + + <refsect1> + <title>Examples</title> + <para> + Here is an example of the init opcode. It uses the file <ulink url="examples/init.csd"><citetitle>init.csd</citetitle></ulink>. + <example> + <title>Example of the init opcode.</title> + <para>See the sections <link linkend="UsingRealTime"><citetitle>Real-time Audio</citetitle></link> and <link linkend="CommandFlags"><citetitle>Command Line Flags</citetitle></link> for more information on using command line flags.</para> + <xi:include href="examples-xml/init.csd.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/> + </example> + Its output should include lines like these: + <screen> + i 1 time 0.00073: 1.00000 + i 1 time 0.10014: 138.00000 + i 1 time 0.20027: 276.00000 + i 1 time 0.30041: 414.00000 + i 1 time 0.40054: 552.00000 + i 1 time 0.50068: 690.00000 + i 1 time 0.60009: 827.00000 + i 1 time 0.70023: 965.00000 + i 1 time 0.80036: 1103.00000 + i 1 time 0.90050: 1241.00000 + i 2 time 2.00054: 1.00000 + i 2 time 2.09995: 1.00000 + i 2 time 2.20009: 1.00000 + i 2 time 2.30023: 1.00000 + i 2 time 2.40036: 1.00000 + i 2 time 2.50050: 1.00000 + i 2 time 2.59991: 1.00000 + i 2 time 2.70005: 1.00000 + i 2 time 2.80018: 1.00000 + i 2 time 2.90032: 1.00000 + </screen> + </para> + </refsect1> + <refsect1> <title>See Also</title> <para> <link linkend="assign"><citetitle>=</citetitle></link>, <link linkend="divz"><citetitle>divz</citetitle></link>, <link linkend="tival"><citetitle>tival</citetitle></link> - </para> + </para> + <para> Other information on this opcode in the Floss Manuals: <ulink url="http://www.flossmanuals.net/csound/ch016_a-initialization-and-performance-pass"><citetitle>http://www.flossmanuals.net/csound/ch016_a-initialization-and-performance-pass</citetitle></ulink></para> </refsect1> <refsect1> @@ -69,7 +112,7 @@ <member>Bath, UK</member> <member>February 2010</member> </simplelist> - <para>New in version 5.13</para> </para> + <para>Multiple form new in version 5.13; t-variable form new in 5.14.</para> </refsect1> </refentry> |