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README.html
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<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>TREXIO source code documentation</title>
@ -347,7 +347,7 @@ and bug reports should be submitted at
</div>
<div id="postamble" class="status">
<p class="author">Author: TREX-CoE</p>
<p class="date">Created: 2022-07-11 Mon 13:34</p>
<p class="date">Created: 2022-07-11 Mon 14:38</p>
<p class="validation"><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>

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<head>
<!-- 2022-07-11 Mon 13:34 -->
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<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Examples</title>
@ -333,31 +333,31 @@ for the JavaScript code in this tag.
<h2>Table of Contents</h2>
<div id="text-table-of-contents">
<ul>
<li><a href="#orga5740f0">1. Accessing sparse quantities (integrals)</a>
<li><a href="#org48071e4">1. Accessing sparse quantities (integrals)</a>
<ul>
<li><a href="#orga6bcd76">1.1. Fortran</a>
<li><a href="#orga42dc06">1.1. Fortran</a>
<ul>
<li><a href="#org69abbf6">1.1.1. Declare Temporary variables</a></li>
<li><a href="#orgd4978a8">1.1.2. Obtain the name of the TREXIO file from the command line, and open it for reading</a></li>
<li><a href="#orgeb008ae">1.1.3. Read the nuclear repulsion energy</a></li>
<li><a href="#org80c16eb">1.1.4. Read the number of molecular orbitals</a></li>
<li><a href="#org2036139">1.1.5. Allocate memory</a></li>
<li><a href="#org8360aef">1.1.6. Read one-electron quantities</a></li>
<li><a href="#org91b7a5c">1.1.7. Read two-electron quantities</a>
<li><a href="#org63d6c53">1.1.1. Declare Temporary variables</a></li>
<li><a href="#org6b63d03">1.1.2. Obtain the name of the TREXIO file from the command line, and open it for reading</a></li>
<li><a href="#org9040039">1.1.3. Read the nuclear repulsion energy</a></li>
<li><a href="#orge1d2a9d">1.1.4. Read the number of molecular orbitals</a></li>
<li><a href="#org77239b7">1.1.5. Allocate memory</a></li>
<li><a href="#orgd9f2fb7">1.1.6. Read one-electron quantities</a></li>
<li><a href="#orga587286">1.1.7. Read two-electron quantities</a>
<ul>
<li><a href="#orgc2f52ca">1.1.7.1. Electron repulsion integrals</a></li>
<li><a href="#org0030e77">1.1.7.2. Reduced density matrix</a></li>
<li><a href="#orgf2aece2">1.1.7.1. Electron repulsion integrals</a></li>
<li><a href="#org3dbc6d1">1.1.7.2. Reduced density matrix</a></li>
</ul>
</li>
<li><a href="#orgd77d65c">1.1.8. Compute the energy</a></li>
<li><a href="#orgd60d946">1.1.9. Terminate</a></li>
<li><a href="#org9e73c83">1.1.8. Compute the energy</a></li>
<li><a href="#org01fcd74">1.1.9. Terminate</a></li>
</ul>
</li>
</ul>
</li>
<li><a href="#org1d23d1c">2. Reading determinants</a>
<li><a href="#orgffa59ad">2. Reading determinants</a>
<ul>
<li><a href="#org4778309">2.1. Fortran</a></li>
<li><a href="#orgbd0ee4d">2.1. Fortran</a></li>
</ul>
</li>
</ul>
@ -365,12 +365,12 @@ for the JavaScript code in this tag.
</div>
<div id="outline-container-orga5740f0" class="outline-2">
<h2 id="orga5740f0"><span class="section-number-2">1</span> Accessing sparse quantities (integrals)</h2>
<div id="outline-container-org48071e4" class="outline-2">
<h2 id="org48071e4"><span class="section-number-2">1</span> Accessing sparse quantities (integrals)</h2>
<div class="outline-text-2" id="text-1">
</div>
<div id="outline-container-orga6bcd76" class="outline-3">
<h3 id="orga6bcd76"><span class="section-number-3">1.1</span> Fortran</h3>
<div id="outline-container-orga42dc06" class="outline-3">
<h3 id="orga42dc06"><span class="section-number-3">1.1</span> Fortran</h3>
<div class="outline-text-3" id="text-1-1">
<div class="org-src-container">
<pre class="src src-f90"><span style="color: #a020f0;">program</span> <span style="color: #0000ff;">print_energy</span>
@ -416,8 +416,8 @@ One needs to read from the TREXIO file:
</div>
</div>
<div id="outline-container-org69abbf6" class="outline-4">
<h4 id="org69abbf6"><span class="section-number-4">1.1.1</span> Declare Temporary variables</h4>
<div id="outline-container-org63d6c53" class="outline-4">
<h4 id="org63d6c53"><span class="section-number-4">1.1.1</span> Declare Temporary variables</h4>
<div class="outline-text-4" id="text-1-1-1">
<div class="org-src-container">
<pre class="src src-f90"><span style="color: #228b22;">integer</span> ::<span style="color: #a0522d;"> i, j, k, l, m</span>
@ -432,8 +432,8 @@ One needs to read from the TREXIO file:
</div>
</div>
<div id="outline-container-orgd4978a8" class="outline-4">
<h4 id="orgd4978a8"><span class="section-number-4">1.1.2</span> Obtain the name of the TREXIO file from the command line, and open it for reading</h4>
<div id="outline-container-org6b63d03" class="outline-4">
<h4 id="org6b63d03"><span class="section-number-4">1.1.2</span> Obtain the name of the TREXIO file from the command line, and open it for reading</h4>
<div class="outline-text-4" id="text-1-1-2">
<div class="org-src-container">
<pre class="src src-f90"><span style="color: #a020f0;">call</span> <span style="color: #0000ff;">getarg</span>(1, filename)
@ -449,8 +449,8 @@ f = trexio_open (filename, <span style="color: #8b2252;">'r'</span>, TREXIO_HDF5
</div>
</div>
<div id="outline-container-orgeb008ae" class="outline-4">
<h4 id="orgeb008ae"><span class="section-number-4">1.1.3</span> Read the nuclear repulsion energy</h4>
<div id="outline-container-org9040039" class="outline-4">
<h4 id="org9040039"><span class="section-number-4">1.1.3</span> Read the nuclear repulsion energy</h4>
<div class="outline-text-4" id="text-1-1-3">
<div class="org-src-container">
<pre class="src src-f90">rc = trexio_read_nucleus_repulsion(f, E_nn)
@ -464,8 +464,8 @@ f = trexio_open (filename, <span style="color: #8b2252;">'r'</span>, TREXIO_HDF5
</div>
</div>
<div id="outline-container-org80c16eb" class="outline-4">
<h4 id="org80c16eb"><span class="section-number-4">1.1.4</span> Read the number of molecular orbitals</h4>
<div id="outline-container-orge1d2a9d" class="outline-4">
<h4 id="orge1d2a9d"><span class="section-number-4">1.1.4</span> Read the number of molecular orbitals</h4>
<div class="outline-text-4" id="text-1-1-4">
<div class="org-src-container">
<pre class="src src-f90">rc = trexio_read_mo_num(f, n)
@ -479,8 +479,8 @@ f = trexio_open (filename, <span style="color: #8b2252;">'r'</span>, TREXIO_HDF5
</div>
</div>
<div id="outline-container-org2036139" class="outline-4">
<h4 id="org2036139"><span class="section-number-4">1.1.5</span> Allocate memory</h4>
<div id="outline-container-org77239b7" class="outline-4">
<h4 id="org77239b7"><span class="section-number-4">1.1.5</span> Allocate memory</h4>
<div class="outline-text-4" id="text-1-1-5">
<div class="org-src-container">
<pre class="src src-f90"><span style="color: #a020f0;">allocate</span>( D(n,n), h0(n,n) )
@ -492,8 +492,8 @@ W(:,:,:,:) = 0.d0
</div>
</div>
<div id="outline-container-org8360aef" class="outline-4">
<h4 id="org8360aef"><span class="section-number-4">1.1.6</span> Read one-electron quantities</h4>
<div id="outline-container-orgd9f2fb7" class="outline-4">
<h4 id="orgd9f2fb7"><span class="section-number-4">1.1.6</span> Read one-electron quantities</h4>
<div class="outline-text-4" id="text-1-1-6">
<div class="org-src-container">
<pre class="src src-f90">rc = trexio_has_mo_1e_int_core_hamiltonian(f)
@ -525,8 +525,8 @@ rc = trexio_read_rdm_1e(f, D)
</div>
</div>
<div id="outline-container-org91b7a5c" class="outline-4">
<h4 id="org91b7a5c"><span class="section-number-4">1.1.7</span> Read two-electron quantities</h4>
<div id="outline-container-orga587286" class="outline-4">
<h4 id="orga587286"><span class="section-number-4">1.1.7</span> Read two-electron quantities</h4>
<div class="outline-text-4" id="text-1-1-7">
<p>
Reading is done with OpenMP. Each thread reads its own buffer, and
@ -542,8 +542,8 @@ to be protected in the critical section when modified.
</p>
</div>
<div id="outline-container-orgc2f52ca" class="outline-5">
<h5 id="orgc2f52ca"><span class="section-number-5">1.1.7.1</span> Electron repulsion integrals</h5>
<div id="outline-container-orgf2aece2" class="outline-5">
<h5 id="orgf2aece2"><span class="section-number-5">1.1.7.1</span> Electron repulsion integrals</h5>
<div class="outline-text-5" id="text-1-1-7-1">
<div class="org-src-container">
<pre class="src src-f90">rc = trexio_has_mo_2e_int_eri(f)
@ -592,8 +592,8 @@ icount = BUFSIZE
</div>
</div>
<div id="outline-container-org0030e77" class="outline-5">
<h5 id="org0030e77"><span class="section-number-5">1.1.7.2</span> Reduced density matrix</h5>
<div id="outline-container-org3dbc6d1" class="outline-5">
<h5 id="org3dbc6d1"><span class="section-number-5">1.1.7.2</span> Reduced density matrix</h5>
<div class="outline-text-5" id="text-1-1-7-2">
<div class="org-src-container">
<pre class="src src-f90">rc = trexio_has_rdm_2e(f)
@ -637,8 +637,8 @@ icount = bufsize
</div>
</div>
<div id="outline-container-orgd77d65c" class="outline-4">
<h4 id="orgd77d65c"><span class="section-number-4">1.1.8</span> Compute the energy</h4>
<div id="outline-container-org9e73c83" class="outline-4">
<h4 id="org9e73c83"><span class="section-number-4">1.1.8</span> Compute the energy</h4>
<div class="outline-text-4" id="text-1-1-8">
<p>
When the orbitals are real, we can use
@ -684,8 +684,8 @@ E = E + E_nn
</div>
</div>
<div id="outline-container-orgd60d946" class="outline-4">
<h4 id="orgd60d946"><span class="section-number-4">1.1.9</span> Terminate</h4>
<div id="outline-container-org01fcd74" class="outline-4">
<h4 id="org01fcd74"><span class="section-number-4">1.1.9</span> Terminate</h4>
<div class="outline-text-4" id="text-1-1-9">
<div class="org-src-container">
<pre class="src src-f90"> <span style="color: #a020f0;">deallocate</span>( D, h0, G, W )
@ -699,12 +699,12 @@ E = E + E_nn
</div>
<div id="outline-container-org1d23d1c" class="outline-2">
<h2 id="org1d23d1c"><span class="section-number-2">2</span> Reading determinants</h2>
<div id="outline-container-orgffa59ad" class="outline-2">
<h2 id="orgffa59ad"><span class="section-number-2">2</span> Reading determinants</h2>
<div class="outline-text-2" id="text-2">
</div>
<div id="outline-container-org4778309" class="outline-3">
<h3 id="org4778309"><span class="section-number-3">2.1</span> Fortran</h3>
<div id="outline-container-orgbd0ee4d" class="outline-3">
<h3 id="orgbd0ee4d"><span class="section-number-3">2.1</span> Fortran</h3>
<div class="outline-text-3" id="text-2-1">
<div class="org-src-container">
<pre class="src src-f90"><span style="color: #a020f0;">program</span> <span style="color: #0000ff;">test</span>
@ -783,7 +783,7 @@ end
</div>
<div id="postamble" class="status">
<p class="author">Author: TREX-CoE</p>
<p class="date">Created: 2022-07-11 Mon 13:34</p>
<p class="date">Created: 2022-07-11 Mon 14:38</p>
<p class="validation"><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>

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index.html
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<!-- 2022-07-11 Mon 13:34 -->
<!-- 2022-07-11 Mon 14:38 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>TREXIO source code documentation</title>
@ -347,7 +347,7 @@ and bug reports should be submitted at
</div>
<div id="postamble" class="status">
<p class="author">Author: TREX-CoE</p>
<p class="date">Created: 2022-07-11 Mon 13:34</p>
<p class="date">Created: 2022-07-11 Mon 14:38</p>
<p class="validation"><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<!-- 2022-07-11 Mon 13:33 -->
<!-- 2022-07-11 Mon 14:38 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>HDF5 back end</title>
@ -311,24 +311,24 @@ for the JavaScript code in this tag.
<h2>Table of Contents</h2>
<div id="text-table-of-contents">
<ul>
<li><a href="#org6cc9f6d">1. Template for HDF5 definitions</a></li>
<li><a href="#org7bf323f">2. Template for HDF5 structures</a></li>
<li><a href="#org6220c72">3. Template for HDF5 init/deinit</a></li>
<li><a href="#org29614a8">4. Template for HDF5 has a group</a></li>
<li><a href="#org6a5054b">5. Template for HDF5 has/read/write a numerical attribute</a></li>
<li><a href="#org1d0c91d">6. Template for HDF5 has/read/write a dataset of numerical data</a></li>
<li><a href="#org374eaec">7. Template for HDF5 has/read/write a dataset of sparse data</a></li>
<li><a href="#orgc91a4c2">8. Template for HDF5 has/read/write a dataset of strings</a></li>
<li><a href="#org9f6c421">9. Template for HDF5 has/read/write a string attribute</a></li>
<li><a href="#orgf4818b3">10. Template for HDF5 delete a group (UNSAFE mode)</a></li>
<li><a href="#org6c9c271">11. Source code for the determinant part</a></li>
<li><a href="#org26aff54">12. Helper functions</a></li>
<li><a href="#org1e1b30a">1. Template for HDF5 definitions</a></li>
<li><a href="#orgf8a7bfb">2. Template for HDF5 structures</a></li>
<li><a href="#orgb9eef53">3. Template for HDF5 init/deinit</a></li>
<li><a href="#org4669018">4. Template for HDF5 has a group</a></li>
<li><a href="#orge98662c">5. Template for HDF5 has/read/write a numerical attribute</a></li>
<li><a href="#org506ffc0">6. Template for HDF5 has/read/write a dataset of numerical data</a></li>
<li><a href="#org64906ff">7. Template for HDF5 has/read/write a dataset of sparse data</a></li>
<li><a href="#org263e337">8. Template for HDF5 has/read/write a dataset of strings</a></li>
<li><a href="#org94dd92f">9. Template for HDF5 has/read/write a string attribute</a></li>
<li><a href="#org0db416d">10. Template for HDF5 delete a group (UNSAFE mode)</a></li>
<li><a href="#orgd86aaad">11. Source code for the determinant part</a></li>
<li><a href="#org77faf7d">12. Helper functions</a></li>
</ul>
</div>
</div>
<div id="outline-container-org6cc9f6d" class="outline-2">
<h2 id="org6cc9f6d"><span class="section-number-2">1</span> Template for HDF5 definitions</h2>
<div id="outline-container-org1e1b30a" class="outline-2">
<h2 id="org1e1b30a"><span class="section-number-2">1</span> Template for HDF5 definitions</h2>
<div class="outline-text-2" id="text-1">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #483d8b;">#define</span> $GROUP$_GROUP_NAME <span style="color: #8b2252;">"$group$"</span>
@ -340,8 +340,8 @@ for the JavaScript code in this tag.
</div>
</div>
<div id="outline-container-org7bf323f" class="outline-2">
<h2 id="org7bf323f"><span class="section-number-2">2</span> Template for HDF5 structures</h2>
<div id="outline-container-orgf8a7bfb" class="outline-2">
<h2 id="orgf8a7bfb"><span class="section-number-2">2</span> Template for HDF5 structures</h2>
<div class="outline-text-2" id="text-2">
<p>
Polymorphism of the <code>trexio_t</code> type is handled by ensuring that the
@ -361,8 +361,8 @@ corresponding types for all back ends can be safely casted to
</div>
</div>
<div id="outline-container-org6220c72" class="outline-2">
<h2 id="org6220c72"><span class="section-number-2">3</span> Template for HDF5 init/deinit</h2>
<div id="outline-container-orgb9eef53" class="outline-2">
<h2 id="orgb9eef53"><span class="section-number-2">3</span> Template for HDF5 init/deinit</h2>
<div class="outline-text-2" id="text-3">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -467,8 +467,8 @@ corresponding types for all back ends can be safely casted to
</div>
</div>
<div id="outline-container-org29614a8" class="outline-2">
<h2 id="org29614a8"><span class="section-number-2">4</span> Template for HDF5 has a group</h2>
<div id="outline-container-org4669018" class="outline-2">
<h2 id="org4669018"><span class="section-number-2">4</span> Template for HDF5 has a group</h2>
<div class="outline-text-2" id="text-4">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -498,8 +498,8 @@ corresponding types for all back ends can be safely casted to
</div>
</div>
<div id="outline-container-org6a5054b" class="outline-2">
<h2 id="org6a5054b"><span class="section-number-2">5</span> Template for HDF5 has/read/write a numerical attribute</h2>
<div id="outline-container-orge98662c" class="outline-2">
<h2 id="orge98662c"><span class="section-number-2">5</span> Template for HDF5 has/read/write a numerical attribute</h2>
<div class="outline-text-2" id="text-5">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -603,8 +603,8 @@ corresponding types for all back ends can be safely casted to
</div>
</div>
<div id="outline-container-org1d0c91d" class="outline-2">
<h2 id="org1d0c91d"><span class="section-number-2">6</span> Template for HDF5 has/read/write a dataset of numerical data</h2>
<div id="outline-container-org506ffc0" class="outline-2">
<h2 id="org506ffc0"><span class="section-number-2">6</span> Template for HDF5 has/read/write a dataset of numerical data</h2>
<div class="outline-text-2" id="text-6">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -738,8 +738,8 @@ corresponding types for all back ends can be safely casted to
</div>
</div>
<div id="outline-container-org374eaec" class="outline-2">
<h2 id="org374eaec"><span class="section-number-2">7</span> Template for HDF5 has/read/write a dataset of sparse data</h2>
<div id="outline-container-org64906ff" class="outline-2">
<h2 id="org64906ff"><span class="section-number-2">7</span> Template for HDF5 has/read/write a dataset of sparse data</h2>
<div class="outline-text-2" id="text-7">
<p>
Sparse data is stored using extensible datasets of HDF5. Extensibility is required
@ -942,8 +942,8 @@ due to the fact that the sparse data will be written in chunks of user-defined s
</div>
</div>
<div id="outline-container-orgc91a4c2" class="outline-2">
<h2 id="orgc91a4c2"><span class="section-number-2">8</span> Template for HDF5 has/read/write a dataset of strings</h2>
<div id="outline-container-org263e337" class="outline-2">
<h2 id="org263e337"><span class="section-number-2">8</span> Template for HDF5 has/read/write a dataset of strings</h2>
<div class="outline-text-2" id="text-8">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -1141,8 +1141,8 @@ due to the fact that the sparse data will be written in chunks of user-defined s
</div>
</div>
<div id="outline-container-org9f6c421" class="outline-2">
<h2 id="org9f6c421"><span class="section-number-2">9</span> Template for HDF5 has/read/write a string attribute</h2>
<div id="outline-container-org94dd92f" class="outline-2">
<h2 id="org94dd92f"><span class="section-number-2">9</span> Template for HDF5 has/read/write a string attribute</h2>
<div class="outline-text-2" id="text-9">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -1269,8 +1269,8 @@ due to the fact that the sparse data will be written in chunks of user-defined s
</div>
</div>
</div>
<div id="outline-container-orgf4818b3" class="outline-2">
<h2 id="orgf4818b3"><span class="section-number-2">10</span> Template for HDF5 delete a group (UNSAFE mode)</h2>
<div id="outline-container-org0db416d" class="outline-2">
<h2 id="org0db416d"><span class="section-number-2">10</span> Template for HDF5 delete a group (UNSAFE mode)</h2>
<div class="outline-text-2" id="text-10">
<p>
<b><b>Note:</b></b> in early versions of the HDF5 library (v &lt; 1.10) unlinking an object was not working as expected
@ -1310,8 +1310,8 @@ Thus, any corrupted/lost file space will remain in the first file. The use of <c
</div>
</div>
<div id="outline-container-org6c9c271" class="outline-2">
<h2 id="org6c9c271"><span class="section-number-2">11</span> Source code for the determinant part</h2>
<div id="outline-container-orgd86aaad" class="outline-2">
<h2 id="orgd86aaad"><span class="section-number-2">11</span> Source code for the determinant part</h2>
<div class="outline-text-2" id="text-11">
<p>
Each array is stored in a separate HDF5 dataset due to the fact that determinant I/O has to be decoupled.
@ -1564,8 +1564,8 @@ Size specifies the number of data items (e.g. determinants) to process.
</div>
</div>
<div id="outline-container-org26aff54" class="outline-2">
<h2 id="org26aff54"><span class="section-number-2">12</span> Helper functions</h2>
<div id="outline-container-org77faf7d" class="outline-2">
<h2 id="org77faf7d"><span class="section-number-2">12</span> Helper functions</h2>
<div class="outline-text-2" id="text-12">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -1828,7 +1828,7 @@ Size specifies the number of data items (e.g. determinants) to process.
</div>
<div id="postamble" class="status">
<p class="author">Author: TREX-CoE</p>
<p class="date">Created: 2022-07-11 Mon 13:33</p>
<p class="date">Created: 2022-07-11 Mon 14:38</p>
<p class="validation"><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>

106
templator_text.html
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@ -3,7 +3,7 @@
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<!-- 2022-07-11 Mon 13:34 -->
<!-- 2022-07-11 Mon 14:38 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>TEXT back end</title>
@ -311,21 +311,21 @@ for the JavaScript code in this tag.
<h2>Table of Contents</h2>
<div id="text-table-of-contents">
<ul>
<li><a href="#org16c26ee">1. Template for group-related structures in text back end</a></li>
<li><a href="#org0dd26c1">2. Template for general structure in text back end</a></li>
<li><a href="#org8667df1">3. Initialize function (constant part)</a></li>
<li><a href="#orga29cfb2">4. Deinitialize function (templated part)</a></li>
<li><a href="#org7ae7b54">5. Template for text read a group</a></li>
<li><a href="#orga78175e">6. Template for text has a group</a></li>
<li><a href="#org60e3043">7. Template for text flush a group</a></li>
<li><a href="#org4523b5b">8. Template for text free memory</a></li>
<li><a href="#orgfb7f2c5">9. Template for has/read/write a numerical attribute</a></li>
<li><a href="#orgcd1d6aa">10. Template for has/read/write a dataset of numerical data</a></li>
<li><a href="#org7dee74c">11. Template for has/read/write a dataset of strings</a></li>
<li><a href="#orgd605018">12. Template for has/read/write a string attribute</a></li>
<li><a href="#orgafbe580">13. Template for has/read/write the dataset of sparse data</a></li>
<li><a href="#org86b3019">14. Template for text delete a group (UNSAFE mode)</a></li>
<li><a href="#org7eed2f6">15. Source code for the determinant part</a></li>
<li><a href="#org175eeae">1. Template for group-related structures in text back end</a></li>
<li><a href="#org26d537d">2. Template for general structure in text back end</a></li>
<li><a href="#orgd3ced33">3. Initialize function (constant part)</a></li>
<li><a href="#orga1668b7">4. Deinitialize function (templated part)</a></li>
<li><a href="#org91901ac">5. Template for text read a group</a></li>
<li><a href="#org01ace0c">6. Template for text has a group</a></li>
<li><a href="#org88164a6">7. Template for text flush a group</a></li>
<li><a href="#orgcc7ec18">8. Template for text free memory</a></li>
<li><a href="#org9935293">9. Template for has/read/write a numerical attribute</a></li>
<li><a href="#orgd29455d">10. Template for has/read/write a dataset of numerical data</a></li>
<li><a href="#org86329f2">11. Template for has/read/write a dataset of strings</a></li>
<li><a href="#org7418499">12. Template for has/read/write a string attribute</a></li>
<li><a href="#org1da7d57">13. Template for has/read/write the dataset of sparse data</a></li>
<li><a href="#orgf96d954">14. Template for text delete a group (UNSAFE mode)</a></li>
<li><a href="#orga56afa2">15. Source code for the determinant part</a></li>
</ul>
</div>
</div>
@ -347,8 +347,8 @@ directory.
The file is written when closed, or when the flush function is called.
</p>
<div id="outline-container-org16c26ee" class="outline-2">
<h2 id="org16c26ee"><span class="section-number-2">1</span> Template for group-related structures in text back end</h2>
<div id="outline-container-org175eeae" class="outline-2">
<h2 id="org175eeae"><span class="section-number-2">1</span> Template for group-related structures in text back end</h2>
<div class="outline-text-2" id="text-1">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #a020f0;">typedef</span> <span style="color: #a020f0;">struct</span> $group$_s {
@ -367,8 +367,8 @@ The file is written when closed, or when the flush function is called.
</div>
</div>
<div id="outline-container-org0dd26c1" class="outline-2">
<h2 id="org0dd26c1"><span class="section-number-2">2</span> Template for general structure in text back end</h2>
<div id="outline-container-org26d537d" class="outline-2">
<h2 id="org26d537d"><span class="section-number-2">2</span> Template for general structure in text back end</h2>
<div class="outline-text-2" id="text-2">
<p>
Polymorphism of the <code>trexio_t</code> type is handled by ensuring that the
@ -388,8 +388,8 @@ corresponding types for all back ends can be safely casted to
</div>
</div>
<div id="outline-container-org8667df1" class="outline-2">
<h2 id="org8667df1"><span class="section-number-2">3</span> Initialize function (constant part)</h2>
<div id="outline-container-orgd3ced33" class="outline-2">
<h2 id="orgd3ced33"><span class="section-number-2">3</span> Initialize function (constant part)</h2>
<div class="outline-text-2" id="text-3">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">bool</span>
@ -420,7 +420,15 @@ corresponding types for all back ends can be safely casted to
<span style="color: #a020f0;">if</span> (file_exists) {
<span style="color: #228b22;">bool</span> <span style="color: #a0522d;">is_a_directory</span> = st.st_mode &amp; S_IFDIR;
<span style="color: #228b22;">bool</span> <span style="color: #a0522d;">is_a_directory</span> = <span style="color: #008b8b;">false</span>;
<span style="color: #483d8b;">#ifdef</span> S_IFDIR
is_a_directory = st.st_mode &amp; S_IFDIR;
<span style="color: #483d8b;">#elif</span> S_ISDIR
is_a_directory = S_ISDIR(s.st_mode);
<span style="color: #483d8b;">#else</span>
printf(<span style="color: #8b2252;">"Some important macros are missing for directory handling.\n"</span>);
<span style="color: #a020f0;">return</span> TREXIO_FAILURE;
<span style="color: #483d8b;">#endif</span>
<span style="color: #a020f0;">if</span> (!is_a_directory) <span style="color: #a020f0;">return</span> TREXIO_FILE_ERROR;
<span style="color: #a020f0;">return</span> TREXIO_SUCCESS;
@ -548,8 +556,8 @@ corresponding types for all back ends can be safely casted to
</div>
</div>
<div id="outline-container-orga29cfb2" class="outline-2">
<h2 id="orga29cfb2"><span class="section-number-2">4</span> Deinitialize function (templated part)</h2>
<div id="outline-container-orga1668b7" class="outline-2">
<h2 id="orga1668b7"><span class="section-number-2">4</span> Deinitialize function (templated part)</h2>
<div class="outline-text-2" id="text-4">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -571,8 +579,8 @@ corresponding types for all back ends can be safely casted to
</div>
</div>
<div id="outline-container-org7ae7b54" class="outline-2">
<h2 id="org7ae7b54"><span class="section-number-2">5</span> Template for text read a group</h2>
<div id="outline-container-org91901ac" class="outline-2">
<h2 id="org91901ac"><span class="section-number-2">5</span> Template for text read a group</h2>
<div class="outline-text-2" id="text-5">
<div class="org-src-container">
<pre class="src src-c">$group$_t*
@ -711,7 +719,7 @@ trexio_text_read_$group$ (<span style="color: #228b22;">trexio_text_t</span>* <s
}
<span style="color: #228b22;">size_t</span> <span style="color: #a0522d;">tmp_$group_dset$_len</span> = strlen(buffer);
strncpy(tmp_$group_dset$, buffer, tmp_$group_dset$_len + 1);
strncpy(tmp_$group_dset$, buffer, 32);
tmp_$group_dset$ += tmp_$group_dset$_len + 1;
}
}
@ -798,8 +806,8 @@ trexio_text_read_$group$ (<span style="color: #228b22;">trexio_text_t</span>* <s
</div>
</div>
<div id="outline-container-orga78175e" class="outline-2">
<h2 id="orga78175e"><span class="section-number-2">6</span> Template for text has a group</h2>
<div id="outline-container-org01ace0c" class="outline-2">
<h2 id="org01ace0c"><span class="section-number-2">6</span> Template for text has a group</h2>
<div class="outline-text-2" id="text-6">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -839,8 +847,8 @@ trexio_text_read_$group$ (<span style="color: #228b22;">trexio_text_t</span>* <s
</div>
</div>
<div id="outline-container-org60e3043" class="outline-2">
<h2 id="org60e3043"><span class="section-number-2">7</span> Template for text flush a group</h2>
<div id="outline-container-org88164a6" class="outline-2">
<h2 id="org88164a6"><span class="section-number-2">7</span> Template for text flush a group</h2>
<div class="outline-text-2" id="text-7">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -904,8 +912,8 @@ trexio_text_read_$group$ (<span style="color: #228b22;">trexio_text_t</span>* <s
</div>
</div>
<div id="outline-container-org4523b5b" class="outline-2">
<h2 id="org4523b5b"><span class="section-number-2">8</span> Template for text free memory</h2>
<div id="outline-container-orgcc7ec18" class="outline-2">
<h2 id="orgcc7ec18"><span class="section-number-2">8</span> Template for text free memory</h2>
<div class="outline-text-2" id="text-8">
<p>
Memory is allocated when reading. The following function frees memory.
@ -974,8 +982,8 @@ This function is called upon the non-successful exit from the <code>trexio_text_
</div>
</div>
<div id="outline-container-orgfb7f2c5" class="outline-2">
<h2 id="orgfb7f2c5"><span class="section-number-2">9</span> Template for has/read/write a numerical attribute</h2>
<div id="outline-container-org9935293" class="outline-2">
<h2 id="org9935293"><span class="section-number-2">9</span> Template for has/read/write a numerical attribute</h2>
<div class="outline-text-2" id="text-9">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -1038,8 +1046,8 @@ This function is called upon the non-successful exit from the <code>trexio_text_
</div>
</div>
<div id="outline-container-orgcd1d6aa" class="outline-2">
<h2 id="orgcd1d6aa"><span class="section-number-2">10</span> Template for has/read/write a dataset of numerical data</h2>
<div id="outline-container-orgd29455d" class="outline-2">
<h2 id="orgd29455d"><span class="section-number-2">10</span> Template for has/read/write a dataset of numerical data</h2>
<div class="outline-text-2" id="text-10">
<p>
The <code>group_dset</code> array is assumed allocated with the appropriate size.
@ -1135,8 +1143,8 @@ The <code>group_dset</code> array is assumed allocated with the appropriate size
</div>
</div>
</div>
<div id="outline-container-org7dee74c" class="outline-2">
<h2 id="org7dee74c"><span class="section-number-2">11</span> Template for has/read/write a dataset of strings</h2>
<div id="outline-container-org86329f2" class="outline-2">
<h2 id="org86329f2"><span class="section-number-2">11</span> Template for has/read/write a dataset of strings</h2>
<div class="outline-text-2" id="text-11">
<p>
The <code>group_dset</code> array is assumed allocated with the appropriate size.
@ -1237,8 +1245,8 @@ The <code>group_dset</code> array is assumed allocated with the appropriate size
</div>
</div>
</div>
<div id="outline-container-orgd605018" class="outline-2">
<h2 id="orgd605018"><span class="section-number-2">12</span> Template for has/read/write a string attribute</h2>
<div id="outline-container-org7418499" class="outline-2">
<h2 id="org7418499"><span class="section-number-2">12</span> Template for has/read/write a string attribute</h2>
<div class="outline-text-2" id="text-12">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -1312,8 +1320,8 @@ The <code>group_dset</code> array is assumed allocated with the appropriate size
</div>
</div>
</div>
<div id="outline-container-orgafbe580" class="outline-2">
<h2 id="orgafbe580"><span class="section-number-2">13</span> Template for has/read/write the dataset of sparse data</h2>
<div id="outline-container-org1da7d57" class="outline-2">
<h2 id="org1da7d57"><span class="section-number-2">13</span> Template for has/read/write the dataset of sparse data</h2>
<div class="outline-text-2" id="text-13">
<p>
Each sparse array is stored in a separate <code>.txt</code> file due to the fact that sparse I/O has to be decoupled
@ -1603,8 +1611,8 @@ User provides indices and values of the sparse array as two separate variables.
</div>
</div>
<div id="outline-container-org86b3019" class="outline-2">
<h2 id="org86b3019"><span class="section-number-2">14</span> Template for text delete a group (UNSAFE mode)</h2>
<div id="outline-container-orgf96d954" class="outline-2">
<h2 id="orgf96d954"><span class="section-number-2">14</span> Template for text delete a group (UNSAFE mode)</h2>
<div class="outline-text-2" id="text-14">
<div class="org-src-container">
<pre class="src src-c"><span style="color: #228b22;">trexio_exit_code</span>
@ -1632,8 +1640,8 @@ User provides indices and values of the sparse array as two separate variables.
</div>
</div>
<div id="outline-container-org7eed2f6" class="outline-2">
<h2 id="org7eed2f6"><span class="section-number-2">15</span> Source code for the determinant part</h2>
<div id="outline-container-orga56afa2" class="outline-2">
<h2 id="orga56afa2"><span class="section-number-2">15</span> Source code for the determinant part</h2>
<div class="outline-text-2" id="text-15">
<p>
Each array is stored in a separate <code>.txt</code> file due to the fact that determinant I/O has to be decoupled
@ -2073,7 +2081,7 @@ Size specifies the number of data items, e.g. determinants.
</div>
<div id="postamble" class="status">
<p class="author">Author: TREX-CoE</p>
<p class="date">Created: 2022-07-11 Mon 13:34</p>
<p class="date">Created: 2022-07-11 Mon 14:38</p>
<p class="validation"><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>

150
trex.html
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@ -3,7 +3,7 @@
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<!-- 2022-07-11 Mon 13:34 -->
<!-- 2022-07-11 Mon 14:38 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>TREX Configuration file</title>
@ -333,37 +333,37 @@ for the JavaScript code in this tag.
<h2>Table of Contents</h2>
<div id="text-table-of-contents">
<ul>
<li><a href="#orgdfc2f04">1. Metadata (metadata group)</a></li>
<li><a href="#org9c9f90b">2. Electron (electron group)</a></li>
<li><a href="#orgf30588d">3. Nucleus (nucleus group)</a></li>
<li><a href="#orgb28197a">4. Effective core potentials (ecp group)</a>
<li><a href="#org8d36541">1. Metadata (metadata group)</a></li>
<li><a href="#org7be83e6">2. Electron (electron group)</a></li>
<li><a href="#org4e155a3">3. Nucleus (nucleus group)</a></li>
<li><a href="#org0f0d4eb">4. Effective core potentials (ecp group)</a>
<ul>
<li><a href="#orgc940cff">4.1. Example</a></li>
<li><a href="#orgcc7681d">4.1. Example</a></li>
</ul>
</li>
<li><a href="#org934bc00">5. Basis set (basis group)</a>
<li><a href="#org615542a">5. Basis set (basis group)</a>
<ul>
<li><a href="#org0173011">5.1. Example</a></li>
<li><a href="#org414f435">5.1. Example</a></li>
</ul>
</li>
<li><a href="#org2f761cf">6. Atomic orbitals (ao group)</a>
<li><a href="#orgb6d2727">6. Atomic orbitals (ao group)</a>
<ul>
<li><a href="#ao_one_e">6.1. One-electron integrals (<code>ao_1e_int</code> group)</a></li>
<li><a href="#ao_two_e">6.2. Two-electron integrals (<code>ao_2e_int</code> group)</a></li>
</ul>
</li>
<li><a href="#org321d4ab">7. Molecular orbitals (mo group)</a>
<li><a href="#org7274191">7. Molecular orbitals (mo group)</a>
<ul>
<li><a href="#org67dcd4e">7.1. One-electron integrals (<code>mo_1e_int</code> group)</a></li>
<li><a href="#org69e3470">7.2. Two-electron integrals (<code>mo_2e_int</code> group)</a></li>
<li><a href="#org541cdc0">7.1. One-electron integrals (<code>mo_1e_int</code> group)</a></li>
<li><a href="#org3684962">7.2. Two-electron integrals (<code>mo_2e_int</code> group)</a></li>
</ul>
</li>
<li><a href="#org2f3a5fb">8. Slater determinants (determinant group)</a></li>
<li><a href="#orge963548">9. Excited states (state group)</a></li>
<li><a href="#org81b795a">10. Reduced density matrices (rdm group)</a></li>
<li><a href="#orgbbe58b8">11. Cell (cell group)</a></li>
<li><a href="#orgf4cc4b0">12. Periodic boundary calculations (pbc group)</a></li>
<li><a href="#org8bf2b31">13. Quantum Monte Carlo data (qmc group)</a></li>
<li><a href="#orgf64d73d">8. Slater determinants (determinant group)</a></li>
<li><a href="#org2550d69">9. Excited states (state group)</a></li>
<li><a href="#orga569404">10. Reduced density matrices (rdm group)</a></li>
<li><a href="#orgb28dafb">11. Cell (cell group)</a></li>
<li><a href="#orgb6471ac">12. Periodic boundary calculations (pbc group)</a></li>
<li><a href="#org88655be">13. Quantum Monte Carlo data (qmc group)</a></li>
</ul>
</div>
</div>
@ -417,8 +417,8 @@ For determinants, the <code>special</code> attribute is present in the type. Thi
means that the source code is not produced by the generator, but hand-written.
</p>
<div id="outline-container-orgdfc2f04" class="outline-2">
<h2 id="orgdfc2f04"><span class="section-number-2">1</span> Metadata (metadata group)</h2>
<div id="outline-container-org8d36541" class="outline-2">
<h2 id="org8d36541"><span class="section-number-2">1</span> Metadata (metadata group)</h2>
<div class="outline-text-2" id="text-1">
<p>
As we expect our files to be archived in open-data repositories, we
@ -428,7 +428,7 @@ which have participated to the creation of the file, a list of
authors of the file, and a textual description.
</p>
<table id="orgb9e4e89" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org4e30733" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -509,15 +509,15 @@ then the <code>unsafe</code> attribute value can be manually overwritten (in uns
</div>
</div>
<div id="outline-container-org9c9f90b" class="outline-2">
<h2 id="org9c9f90b"><span class="section-number-2">2</span> Electron (electron group)</h2>
<div id="outline-container-org7be83e6" class="outline-2">
<h2 id="org7be83e6"><span class="section-number-2">2</span> Electron (electron group)</h2>
<div class="outline-text-2" id="text-2">
<p>
We consider wave functions expressed in the spin-free formalism, where
the number of &uarr; and &darr; electrons is fixed.
</p>
<table id="orga260fc9" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org39903ad" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -563,15 +563,15 @@ the number of &uarr; and &darr; electrons is fixed.
</div>
</div>
<div id="outline-container-orgf30588d" class="outline-2">
<h2 id="orgf30588d"><span class="section-number-2">3</span> Nucleus (nucleus group)</h2>
<div id="outline-container-org4e155a3" class="outline-2">
<h2 id="org4e155a3"><span class="section-number-2">3</span> Nucleus (nucleus group)</h2>
<div class="outline-text-2" id="text-3">
<p>
The nuclei are considered as fixed point charges. Coordinates are
given in Cartesian \((x,y,z)\) format.
</p>
<table id="org1dd82b7" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org8192643" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -638,8 +638,8 @@ given in Cartesian \((x,y,z)\) format.
</div>
</div>
<div id="outline-container-orgb28197a" class="outline-2">
<h2 id="orgb28197a"><span class="section-number-2">4</span> Effective core potentials (ecp group)</h2>
<div id="outline-container-org0f0d4eb" class="outline-2">
<h2 id="org0f0d4eb"><span class="section-number-2">4</span> Effective core potentials (ecp group)</h2>
<div class="outline-text-2" id="text-4">
<p>
An effective core potential (ECP) \(V_A^{\text{ECP}}\) replacing the
@ -672,7 +672,7 @@ The functions \(V_{A\ell}\) are parameterized as:
See <a href="http://dx.doi.org/10.1063/1.4984046">http://dx.doi.org/10.1063/1.4984046</a> or <a href="https://doi.org/10.1063/1.5121006">https://doi.org/10.1063/1.5121006</a> for more info.
</p>
<table id="orgb4f2760" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org62f71f0" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -774,8 +774,8 @@ If you encounter the aforementioned issue, please report it to our <a href="http
</p>
</div>
<div id="outline-container-orgc940cff" class="outline-3">
<h3 id="orgc940cff"><span class="section-number-3">4.1</span> Example</h3>
<div id="outline-container-orgcc7681d" class="outline-3">
<h3 id="orgcc7681d"><span class="section-number-3">4.1</span> Example</h3>
<div class="outline-text-3" id="text-4-1">
<p>
For example, consider H<sub>2</sub> molecule with the following
@ -838,8 +838,8 @@ power = [
</div>
</div>
<div id="outline-container-org934bc00" class="outline-2">
<h2 id="org934bc00"><span class="section-number-2">5</span> Basis set (basis group)</h2>
<div id="outline-container-org615542a" class="outline-2">
<h2 id="org615542a"><span class="section-number-2">5</span> Basis set (basis group)</h2>
<div class="outline-text-2" id="text-5">
<p>
We consider here basis functions centered on nuclei. Hence, we enable
@ -892,7 +892,7 @@ If the the basis function is not considered normalized, \(\mathcal{N}_s=1\).
All the basis set parameters are stored in one-dimensional arrays:
</p>
<table id="org065631f" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="orgfc5d85c" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -986,8 +986,8 @@ All the basis set parameters are stored in one-dimensional arrays:
</table>
</div>
<div id="outline-container-org0173011" class="outline-3">
<h3 id="org0173011"><span class="section-number-3">5.1</span> Example</h3>
<div id="outline-container-org414f435" class="outline-3">
<h3 id="org414f435"><span class="section-number-3">5.1</span> Example</h3>
<div class="outline-text-3" id="text-5-1">
<p>
For example, consider H<sub>2</sub> with the following basis set (in GAMESS
@ -1065,8 +1065,8 @@ prim_factor =
</div>
</div>
<div id="outline-container-org2f761cf" class="outline-2">
<h2 id="org2f761cf"><span class="section-number-2">6</span> Atomic orbitals (ao group)</h2>
<div id="outline-container-orgb6d2727" class="outline-2">
<h2 id="orgb6d2727"><span class="section-number-2">6</span> Atomic orbitals (ao group)</h2>
<div class="outline-text-2" id="text-6">
<p>
Going from the atomic basis set to AOs implies a systematic
@ -1119,13 +1119,13 @@ shell, as in the GAMESS convention where
<p>
In such a case, one should set the normalization of the shell (in
the <a href="#org934bc00">Basis set</a> section) to \(\mathcal{N}_{z^2}\), which is the
the <a href="#org615542a">Basis set</a> section) to \(\mathcal{N}_{z^2}\), which is the
normalization factor of the atomic orbitals in spherical coordinates.
The normalization factor of the \(xy\) function which should be
introduced here should be \(\frac{\mathcal{N}_{xy}}{\mathcal{N}_{z^2}}\).
</p>
<table id="org3a5a772" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="orga2af7d5" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -1177,8 +1177,8 @@ introduced here should be \(\frac{\mathcal{N}_{xy}}{\mathcal{N}_{z^2}}\).
</table>
</div>
<div id="outline-container-orga321405" class="outline-3">
<h3 id="ao_one_e"><a id="orga321405"></a><span class="section-number-3">6.1</span> One-electron integrals (<code>ao_1e_int</code> group)</h3>
<div id="outline-container-org88b81ff" class="outline-3">
<h3 id="ao_one_e"><a id="org88b81ff"></a><span class="section-number-3">6.1</span> One-electron integrals (<code>ao_1e_int</code> group)</h3>
<div class="outline-text-3" id="text-ao_one_e">
<ul class="org-ul">
<li>\[ \hat{V}_{\text{ne}} = \sum_{A=1}^{N_\text{nucl}}
@ -1195,7 +1195,7 @@ The one-electron integrals for a one-electron operator \(\hat{O}\) are
over atomic orbitals.
</p>
<table id="org78c2f01" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org837ef47" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -1290,8 +1290,8 @@ over atomic orbitals.
</div>
</div>
<div id="outline-container-org5f75933" class="outline-3">
<h3 id="ao_two_e"><a id="org5f75933"></a><span class="section-number-3">6.2</span> Two-electron integrals (<code>ao_2e_int</code> group)</h3>
<div id="outline-container-org866d794" class="outline-3">
<h3 id="ao_two_e"><a id="org866d794"></a><span class="section-number-3">6.2</span> Two-electron integrals (<code>ao_2e_int</code> group)</h3>
<div class="outline-text-3" id="text-ao_two_e">
<p>
The two-electron integrals for a two-electron operator \(\hat{O}\) are
@ -1312,7 +1312,7 @@ notation.
\mathbf{r}_j \vert)}{\vert \mathbf{r}_i - \mathbf{r}_j \vert} \] : electron-electron long range potential</li>
</ul>
<table id="org2324726" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="orga850762" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -1352,10 +1352,10 @@ notation.
</div>
</div>
<div id="outline-container-org321d4ab" class="outline-2">
<h2 id="org321d4ab"><span class="section-number-2">7</span> Molecular orbitals (mo group)</h2>
<div id="outline-container-org7274191" class="outline-2">
<h2 id="org7274191"><span class="section-number-2">7</span> Molecular orbitals (mo group)</h2>
<div class="outline-text-2" id="text-7">
<table id="orgd9159e0" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org5bd0614" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -1442,8 +1442,8 @@ notation.
</table>
</div>
<div id="outline-container-org67dcd4e" class="outline-3">
<h3 id="org67dcd4e"><span class="section-number-3">7.1</span> One-electron integrals (<code>mo_1e_int</code> group)</h3>
<div id="outline-container-org541cdc0" class="outline-3">
<h3 id="org541cdc0"><span class="section-number-3">7.1</span> One-electron integrals (<code>mo_1e_int</code> group)</h3>
<div class="outline-text-3" id="text-7-1">
<p>
The operators as the same as those defined in the
@ -1451,7 +1451,7 @@ The operators as the same as those defined in the
the basis of molecular orbitals.
</p>
<table id="org713b6ba" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org928d203" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -1546,8 +1546,8 @@ the basis of molecular orbitals.
</div>
</div>
<div id="outline-container-org69e3470" class="outline-3">
<h3 id="org69e3470"><span class="section-number-3">7.2</span> Two-electron integrals (<code>mo_2e_int</code> group)</h3>
<div id="outline-container-org3684962" class="outline-3">
<h3 id="org3684962"><span class="section-number-3">7.2</span> Two-electron integrals (<code>mo_2e_int</code> group)</h3>
<div class="outline-text-3" id="text-7-2">
<p>
The operators as the same as those defined in the
@ -1555,7 +1555,7 @@ The operators as the same as those defined in the
the basis of molecular orbitals.
</p>
<table id="orgea43ca0" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org85203de" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -1595,8 +1595,8 @@ the basis of molecular orbitals.
</div>
</div>
<div id="outline-container-org2f3a5fb" class="outline-2">
<h2 id="org2f3a5fb"><span class="section-number-2">8</span> Slater determinants (determinant group)</h2>
<div id="outline-container-orgf64d73d" class="outline-2">
<h2 id="orgf64d73d"><span class="section-number-2">8</span> Slater determinants (determinant group)</h2>
<div class="outline-text-2" id="text-8">
<p>
The configuration interaction (CI) wave function \(\Psi\)
@ -1638,7 +1638,7 @@ produced by the code generator.
An illustration on how to read determinants is presented in the <a href="./examples.html">examples</a>.
</p>
<table id="orgf1d351f" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org49f72b0" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -1684,8 +1684,8 @@ An illustration on how to read determinants is presented in the <a href="./examp
</div>
</div>
<div id="outline-container-orge963548" class="outline-2">
<h2 id="orge963548"><span class="section-number-2">9</span> Excited states (state group)</h2>
<div id="outline-container-org2550d69" class="outline-2">
<h2 id="org2550d69"><span class="section-number-2">9</span> Excited states (state group)</h2>
<div class="outline-text-2" id="text-9">
<p>
By default, the <code>determinant</code> group corresponds to the ground state.
@ -1694,7 +1694,7 @@ correspond to excited state wave functions for the same set of
determinants. This is the goal of the present group
</p>
<table id="orgabb862d" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="orgdb57be3" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -1733,8 +1733,8 @@ determinants. This is the goal of the present group
</div>
</div>
<div id="outline-container-org81b795a" class="outline-2">
<h2 id="org81b795a"><span class="section-number-2">10</span> Reduced density matrices (rdm group)</h2>
<div id="outline-container-orga569404" class="outline-2">
<h2 id="orga569404"><span class="section-number-2">10</span> Reduced density matrices (rdm group)</h2>
<div class="outline-text-2" id="text-10">
<p>
The reduced density matrices are defined in the basis of molecular
@ -1787,7 +1787,7 @@ The total energy can be computed as:
\]
</p>
<table id="org2bb9e3f" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org5b1b637" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -1868,10 +1868,10 @@ The total energy can be computed as:
</div>
</div>
<div id="outline-container-orgbbe58b8" class="outline-2">
<h2 id="orgbbe58b8"><span class="section-number-2">11</span> Cell (cell group)</h2>
<div id="outline-container-orgb28dafb" class="outline-2">
<h2 id="orgb28dafb"><span class="section-number-2">11</span> Cell (cell group)</h2>
<div class="outline-text-2" id="text-11">
<table id="org8479eba" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="org9ce782f" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -1917,10 +1917,10 @@ The total energy can be computed as:
</div>
</div>
<div id="outline-container-orgf4cc4b0" class="outline-2">
<h2 id="orgf4cc4b0"><span class="section-number-2">12</span> Periodic boundary calculations (pbc group)</h2>
<div id="outline-container-orgb6471ac" class="outline-2">
<h2 id="orgb6471ac"><span class="section-number-2">12</span> Periodic boundary calculations (pbc group)</h2>
<div class="outline-text-2" id="text-12">
<table id="org1451aae" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="orgd211d86" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -1959,8 +1959,8 @@ The total energy can be computed as:
</div>
</div>
<div id="outline-container-org8bf2b31" class="outline-2">
<h2 id="org8bf2b31"><span class="section-number-2">13</span> Quantum Monte Carlo data (qmc group)</h2>
<div id="outline-container-org88655be" class="outline-2">
<h2 id="org88655be"><span class="section-number-2">13</span> Quantum Monte Carlo data (qmc group)</h2>
<div class="outline-text-2" id="text-13">
<p>
In quantum Monte Carlo calculations, the wave function is evaluated
@ -1974,7 +1974,7 @@ By convention, the electron coordinates contain first all the electrons
of $&uarr;$-spin and then all the $&darr;$-spin.
</p>
<table id="org3ff9669" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<table id="orgb0c1492" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
@ -2029,7 +2029,7 @@ of $&uarr;$-spin and then all the $&darr;$-spin.
</div>
<div id="postamble" class="status">
<p class="author">Author: TREX-CoE</p>
<p class="date">Created: 2022-07-11 Mon 13:34</p>
<p class="date">Created: 2022-07-11 Mon 14:38</p>
<p class="validation"><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>