<?xml version="1.0" encoding="UTF-8"?>
<simulation xmds-version="2">
  <name>fibre</name>
  <author>Joe Hope and Graham Dennis</author>
  <description>
    Example fibre noise simulation
  </description>
  
  <geometry>
    <propagation_dimension> t </propagation_dimension>
    <transverse_dimensions>
      <dimension name="x" lattice="64"  domain="(-5, 5)" />
    </transverse_dimensions>
  </geometry>
  
  <driver name="mpi-multi-path" paths="1024" />
  
  <features>
    <auto_vectorise />
    <benchmark />
    <error_check />
    <bing />
    <globals>
      <![CDATA[
      const real ggamma = 1.0;
      const real beta = sqrt(M_PI*ggamma/10.0);
      ]]>
    </globals>
  </features>
  
  <noise_vector name="drivingNoise" dimensions="x" kind="wiener" type="complex" method="dsfmt" seed="314 159 276">
    <components>Eta</components>
  </noise_vector>
  
  <vector name="main" initial_basis="x" type="complex">
    <components>phi</components>
    <initialisation>
      <![CDATA[
        phi = 0.0;
      ]]>
    </initialisation>
  </vector>
  
  <sequence>
    <integrate algorithm="SI" iterations="3" interval="2.5" steps="200000">
      <samples>50</samples>
      <operators>
        <operator kind="ex">
          <operator_names>L</operator_names>
          <![CDATA[
            L = -i*kx*kx;
          ]]>
        </operator>
        <dependencies>drivingNoise</dependencies>
        <integration_vectors>main</integration_vectors>
        <![CDATA[
          dphi_dt = L[phi] - ggamma*phi + beta*Eta;
        ]]>
      </operators>
    </integrate>
  </sequence>
  
  <output>
      <sampling_group basis="kx" initial_sample="yes">
        <moments>pow_dens</moments>
        <dependencies>main</dependencies>
        <![CDATA[
          pow_dens = mod2(phi);
        ]]>
      </sampling_group>
  </output>
</simulation>