<?xml version="1.0" ?><simulation xmds-version="2">
  <testing>
    <xsil_file absolute_tolerance="1e-8" expected="hermitegauss_fourier_1_expected.xsil" name="hermitegauss_fourier_1.xsil" relative_tolerance="1e-5"/>
    <xsil_file absolute_tolerance="1e-8" expected="hermitegauss_fourier_2_expected.xsil" name="hermitegauss_fourier_2.xsil" relative_tolerance="1e-5"/>
    <xsil_file absolute_tolerance="1e-11" expected="hermitegauss_fourier_3_expected.xsil" name="hermitegauss_fourier_3.xsil" relative_tolerance="1e-5"/>
    <xsil_file absolute_tolerance="1e-8" expected="hermitegauss_fourier_1_expected.xsil" name="hermitegauss_fourier_4.xsil" relative_tolerance="1e-5"/>
  </testing>

  <name>hermitegauss_fourier</name>
  <author>Graham Dennis</author>
  <description>
    Transform between the various Hermite-Gauss bases (position, spectral, momentum)
  </description>
  
  <features>
    <validation kind="run-time"/>
    <globals>
      <![CDATA[
        const real M = 9.1e-31; // Mass of an electron
        const real hbar = 1.05e-34;
        const real omega = 2*M_PI*1e3;
        const real offset = 1.0 * sqrt(hbar/(M*omega));
        
      ]]>
    </globals>
  </features>
  
  <geometry>
    <propagation_dimension> t </propagation_dimension>
    <transverse_dimensions>
      <dimension lattice="80" length_scale="sqrt(hbar/(M*omega))" name="x" spectral_lattice="50" transform="hermite-gauss"/>
    </transverse_dimensions>
  </geometry>
  
  <vector initial_basis="x" name="main" type="complex">
    <components>
      psi
    </components>
    <initialisation>
      <![CDATA[
        // initial state is the groundstate in the x axis, but shifted by offset and expanded
      psi = pow(M*omega/(hbar*M_PI), 0.25) * exp(-0.25*(M*omega/hbar)*(x - offset)*(x - offset));
      ]]>
    </initialisation>
  </vector>
  
  <sequence>
    <breakpoint filename="hermitegauss_fourier_1.xsil" format="hdf5">
      <dependencies basis="x">main</dependencies>
    </breakpoint>
    <breakpoint filename="hermitegauss_fourier_2.xsil" format="hdf5">
      <dependencies basis="nx">main</dependencies>
    </breakpoint>
    <breakpoint filename="hermitegauss_fourier_3.xsil" format="hdf5">
      <dependencies basis="kx">main</dependencies>
    </breakpoint>
    <breakpoint filename="hermitegauss_fourier_4.xsil" format="hdf5">
      <dependencies basis="x">main</dependencies>
    </breakpoint>
  </sequence>
  <output/>

<info>
Script compiled with XMDS2 version VERSION_PLACEHOLDER (SUBVERSION_REVISION_PLACEHOLDER)
See http://www.xmds.org for more information.
</info>

<XSIL Name="breakpoint">
  <Param Name="n_independent">1</Param>
  <Array Name="variables" Type="Text">
    <Dim>3</Dim>
    <Stream><Metalink Format="Text" Delimiter=" \n"/>
kx psiR psiI 
    </Stream>
  </Array>
  <Array Name="data" Type="double">
    <Dim>80</Dim>
    <Dim>3</Dim>
    <Stream><Metalink Format="HDF5" Type="Remote" Group="/1"/>
hermitegauss_fourier_3_expected.h5
    </Stream>
  </Array>
</XSIL>
</simulation>
