Changeset 3964f92 in sasmodels


Ignore:
Timestamp:
Feb 7, 2016 9:31:27 PM (8 years ago)
Author:
butler
Branches:
master, core_shell_microgels, costrafo411, magnetic_model, release_v0.94, release_v0.95, ticket-1257-vesicle-product, ticket_1156, ticket_1265_superball, ticket_822_more_unit_tests
Children:
216fa6d
Parents:
321736f
Message:

edit convert.py to prepare for binary_hard_sphere

File:
1 edited

Legend:

Unmodified
Added
Removed

  • sasmodels/convert.py

    rd368d21 r3964f92  
     1""" 
     2Convert models to and from sasview. 
     3""" 
     4import warnings 
    15 
     6# List of models which SasView versions don't contain the explicit 'scale' argument. 
     7# When converting such a model, please update this list. 
     8MODELS_WITHOUT_SCALE = [ 
     9    'teubner_strey', 
     10    'broad_peak', 
     11    'two_lorentzian', 
     12    'gel_fit', 
     13    'gauss_lorentz_gel', 
     14    'be_polyelectrolyte', 
     15    'correlation_length', 
     16    'binary_hard_sphere' 
     17] 
    218 
     19# List of models which SasView versions don't contain the explicit 'background' argument. 
     20# When converting such a model, please update this list. 
     21MODELS_WITHOUT_BACKGROUND = [ 
     22    'guinier', 
     23] 
    324 
     25PD_DOT = [ 
     26    ("", ""), 
     27    ("_pd", ".width"), 
     28    ("_pd_n", ".npts"), 
     29    ("_pd_nsigma", ".nsigmas"), 
     30    ("_pd_type", ".type"), 
     31    ] 
     32def _convert_pars(pars, mapping): 
     33    """ 
     34    Rename the parameters and any associated polydispersity attributes. 
     35    """ 
     36    newpars = pars.copy() 
     37    for new, old in mapping.items(): 
     38        if old == new: continue 
     39        for pd, dot in PD_DOT: 
     40            if old+dot in newpars: 
     41                if new is not None: 
     42                    newpars[new+pd] = pars[old+dot] 
     43                del newpars[old+dot] 
     44    return newpars 
    445 
    5 <!DOCTYPE html> 
    6 <html lang="en" class=" is-copy-enabled is-u2f-enabled"> 
    7   <head prefix="og: http://ogp.me/ns# fb: http://ogp.me/ns/fb# object: http://ogp.me/ns/object# article: http://ogp.me/ns/article# profile: http://ogp.me/ns/profile#"> 
    8     <meta charset='utf-8'> 
     46def _rescale_sld(pars): 
     47    """ 
     48    rescale all sld parameters in the new model definition by 1e6 so the 
     49    numbers are nicer.  Relies on the fact that all sld parameters in the 
     50    new model definition end with sld. 
     51    """ 
     52    return dict((p, (v*1e6 if p.endswith('sld') else v)) 
     53                for p, v in pars.items()) 
    954 
    10     <link crossorigin="anonymous" href="https://assets-cdn.github.com/assets/github-e3dd2ae433414e240167f740f90ff2599e28804648787933de7c0183fae81c29.css" integrity="sha256-490q5DNBTiQBZ/dA+Q/yWZ4ogEZIeHkz3nwBg/roHCk=" media="all" rel="stylesheet" /> 
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    12      
    13      
    14      
     55def convert_model(name, pars): 
     56    """ 
     57    Convert model from old style parameter names to new style. 
     58    """ 
     59    _, _ = name, pars # lint 
     60    raise NotImplementedError 
     61    # need to load all new models in order to determine old=>new 
     62    # model name mapping 
    1563 
    16     <link as="script" href="https://assets-cdn.github.com/assets/frameworks-ee521b8e9facac68ff27e93fc3ae0f8ed811d7bf9e434e84f4b9ea227780b084.js" rel="preload" /> 
    17     <link as="script" href="https://assets-cdn.github.com/assets/github-696336964b7c42e4c6f4dfbaf1f8e57f425cd9a9d18a12f3fe6e3dd744fd7d13.js" rel="preload" /> 
     64def _unscale_sld(pars): 
     65    """ 
     66    rescale all sld parameters in the new model definition by 1e6 so the 
     67    numbers are nicer.  Relies on the fact that all sld parameters in the 
     68    new model definition end with sld. 
     69    """ 
     70    return dict((p, (v*1e-6 if p.endswith('sld') else v)) 
     71                for p, v in pars.items()) 
    1872 
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    24     <title>sasmodels/convert.py at master · SasView/sasmodels · GitHub</title> 
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     73def _remove_pd(pars, key, name): 
     74    """ 
     75    Remove polydispersity from the parameter list. 
    3876 
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    46      
     77    Note: operates in place 
     78    """ 
     79    # Bumps style parameter names 
     80    pd = pars.pop(key+".width", 0.0) 
     81    pd_n = pars.pop(key+".npts", 0) 
     82    if pd != 0.0 and pd_n != 0: 
     83        warnings.warn("parameter %s not polydisperse in sasview %s"%(key, name)) 
     84    pars.pop(key+".nsigmas", None) 
     85    pars.pop(key+".type", None) 
     86    return pars 
    4787 
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     88def _revert_pars(pars, mapping): 
     89    """ 
     90    Rename the parameters and any associated polydispersity attributes. 
     91    """ 
     92    newpars = pars.copy() 
    5193 
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     94    for new, old in mapping.items(): 
     95        for pd, dot in PD_DOT: 
     96            if old and old+pd == new+dot: 
     97                continue 
     98            if new+pd in newpars: 
     99                if old is not None: 
     100                    newpars[old+dot] = pars[new+pd] 
     101                del newpars[new+pd] 
     102    for k in list(newpars.keys()): 
     103        for pd, dot in PD_DOT[1:]:  # skip "" => "" 
     104            if k.endswith(pd): 
     105                newpars[k[:-len(pd)]+dot] = newpars[k] 
     106                del newpars[k] 
     107    return newpars 
    55108 
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     109def revert_model(model_definition, pars): 
     110    """ 
     111    Convert model from new style parameter names to old style. 
     112    """ 
     113    mapping = model_definition.oldpars 
     114    oldname = model_definition.oldname 
     115    oldpars = _revert_pars(_unscale_sld(pars), mapping) 
    58116 
     117    # Note: update compare.constrain_pars to match 
     118    name = model_definition.name 
     119    if name in MODELS_WITHOUT_SCALE: 
     120        if oldpars.pop('scale', 1.0) != 1.0: 
     121            warnings.warn("parameter scale not used in sasview %s"%name) 
     122    elif name in MODELS_WITHOUT_BACKGROUND: 
     123        if oldpars.pop('background', 0.0) != 0.0: 
     124            warnings.warn("parameter background not used in sasview %s"%name) 
     125    elif getattr(model_definition, 'category', None) == 'structure-factor': 
     126        if oldpars.pop('scale', 1.0) != 1.0: 
     127            warnings.warn("parameter scale not used in sasview %s"%name) 
     128        if oldpars.pop('background', 0.0) != 0.0: 
     129            warnings.warn("parameter background not used in sasview %s"%name) 
     130    elif name == 'pearl_necklace': 
     131        _remove_pd(oldpars, 'num_pearls', name) 
     132        _remove_pd(oldpars, 'thick_string', name) 
     133    elif name == 'rpa': 
     134        # convert scattering lengths from femtometers to centimeters 
     135        for p in "La", "Lb", "Lc", "Ld": 
     136            if p in oldpars: oldpars[p] *= 1e-13 
    59137 
     138    return oldname, oldpars 
    60139 
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     140def constrain_new_to_old(model_definition, pars): 
     141    """ 
     142    Restrict parameter values to those that will match sasview. 
     143    """ 
     144    # Note: update convert.revert_model to match 
     145    name = model_definition.name 
     146    if name in MODELS_WITHOUT_SCALE: 
     147        pars['scale'] = 1 
     148    elif name in MODELS_WITHOUT_BACKGROUND: 
     149        pars['background'] = 0 
     150    elif name == 'pearl_necklace': 
     151        pars['string_thickness_pd_n'] = 0 
     152        pars['number_of_pearls_pd_n'] = 0 
     153    elif name == 'rpa': 
     154        pars['case_num'] = int(pars['case_num']) 
     155    elif getattr(model_definition, 'category', None) == 'structure-factor': 
     156        pars['scale'], pars['background'] = 1, 0 
    62157 
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    410         <td id="L1" class="blob-num js-line-number" data-line-number="1"></td> 
    411         <td id="LC1" class="blob-code blob-code-inner js-file-line"><span class="pl-s"><span class="pl-pds">&quot;&quot;&quot;</span></span></td> 
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    413       <tr> 
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    415         <td id="LC2" class="blob-code blob-code-inner js-file-line"><span class="pl-s">Convert models to and from sasview.</span></td> 
    416       </tr> 
    417       <tr> 
    418         <td id="L3" class="blob-num js-line-number" data-line-number="3"></td> 
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    423         <td id="LC4" class="blob-code blob-code-inner js-file-line"><span class="pl-k">import</span> warnings</td> 
    424       </tr> 
    425       <tr> 
    426         <td id="L5" class="blob-num js-line-number" data-line-number="5"></td> 
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    428 </td> 
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    430       <tr> 
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    432         <td id="LC6" class="blob-code blob-code-inner js-file-line"><span class="pl-c"># List of models which SasView versions don&#39;t contain the explicit &#39;scale&#39; argument.</span></td> 
    433       </tr> 
    434       <tr> 
    435         <td id="L7" class="blob-num js-line-number" data-line-number="7"></td> 
    436         <td id="LC7" class="blob-code blob-code-inner js-file-line"><span class="pl-c"># When converting such a model, please update this list.</span></td> 
    437       </tr> 
    438       <tr> 
    439         <td id="L8" class="blob-num js-line-number" data-line-number="8"></td> 
    440         <td id="LC8" class="blob-code blob-code-inner js-file-line"><span class="pl-c1">MODELS_WITHOUT_SCALE</span> <span class="pl-k">=</span> [</td> 
    441       </tr> 
    442       <tr> 
    443         <td id="L9" class="blob-num js-line-number" data-line-number="9"></td> 
    444         <td id="LC9" class="blob-code blob-code-inner js-file-line">    <span class="pl-s"><span class="pl-pds">&#39;</span>teubner_strey<span class="pl-pds">&#39;</span></span>,</td> 
    445       </tr> 
    446       <tr> 
    447         <td id="L10" class="blob-num js-line-number" data-line-number="10"></td> 
    448         <td id="LC10" class="blob-code blob-code-inner js-file-line">    <span class="pl-s"><span class="pl-pds">&#39;</span>broad_peak<span class="pl-pds">&#39;</span></span>,</td> 
    449       </tr> 
    450       <tr> 
    451         <td id="L11" class="blob-num js-line-number" data-line-number="11"></td> 
    452         <td id="LC11" class="blob-code blob-code-inner js-file-line">    <span class="pl-s"><span class="pl-pds">&#39;</span>two_lorentzian<span class="pl-pds">&#39;</span></span>,</td> 
    453       </tr> 
    454       <tr> 
    455         <td id="L12" class="blob-num js-line-number" data-line-number="12"></td> 
    456         <td id="LC12" class="blob-code blob-code-inner js-file-line">    <span class="pl-s"><span class="pl-pds">&#39;</span>gel_fit<span class="pl-pds">&#39;</span></span>,</td> 
    457       </tr> 
    458       <tr> 
    459         <td id="L13" class="blob-num js-line-number" data-line-number="13"></td> 
    460         <td id="LC13" class="blob-code blob-code-inner js-file-line">    <span class="pl-s"><span class="pl-pds">&#39;</span>gauss_lorentz_gel<span class="pl-pds">&#39;</span></span>,</td> 
    461       </tr> 
    462       <tr> 
    463         <td id="L14" class="blob-num js-line-number" data-line-number="14"></td> 
    464         <td id="LC14" class="blob-code blob-code-inner js-file-line">    <span class="pl-s"><span class="pl-pds">&#39;</span>be_polyelectrolyte<span class="pl-pds">&#39;</span></span>,</td> 
    465       </tr> 
    466       <tr> 
    467         <td id="L15" class="blob-num js-line-number" data-line-number="15"></td> 
    468         <td id="LC15" class="blob-code blob-code-inner js-file-line">    <span class="pl-s"><span class="pl-pds">&#39;</span>correlation_length<span class="pl-pds">&#39;</span></span>,</td> 
    469       </tr> 
    470       <tr> 
    471         <td id="L16" class="blob-num js-line-number" data-line-number="16"></td> 
    472         <td id="LC16" class="blob-code blob-code-inner js-file-line">]</td> 
    473       </tr> 
    474       <tr> 
    475         <td id="L17" class="blob-num js-line-number" data-line-number="17"></td> 
    476         <td id="LC17" class="blob-code blob-code-inner js-file-line"> 
    477 </td> 
    478       </tr> 
    479       <tr> 
    480         <td id="L18" class="blob-num js-line-number" data-line-number="18"></td> 
    481         <td id="LC18" class="blob-code blob-code-inner js-file-line"><span class="pl-c"># List of models which SasView versions don&#39;t contain the explicit &#39;background&#39; argument.</span></td> 
    482       </tr> 
    483       <tr> 
    484         <td id="L19" class="blob-num js-line-number" data-line-number="19"></td> 
    485         <td id="LC19" class="blob-code blob-code-inner js-file-line"><span class="pl-c"># When converting such a model, please update this list.</span></td> 
    486       </tr> 
    487       <tr> 
    488         <td id="L20" class="blob-num js-line-number" data-line-number="20"></td> 
    489         <td id="LC20" class="blob-code blob-code-inner js-file-line"><span class="pl-c1">MODELS_WITHOUT_BACKGROUND</span> <span class="pl-k">=</span> [</td> 
    490       </tr> 
    491       <tr> 
    492         <td id="L21" class="blob-num js-line-number" data-line-number="21"></td> 
    493         <td id="LC21" class="blob-code blob-code-inner js-file-line">    <span class="pl-s"><span class="pl-pds">&#39;</span>guinier<span class="pl-pds">&#39;</span></span>,</td> 
    494       </tr> 
    495       <tr> 
    496         <td id="L22" class="blob-num js-line-number" data-line-number="22"></td> 
    497         <td id="LC22" class="blob-code blob-code-inner js-file-line">]</td> 
    498       </tr> 
    499       <tr> 
    500         <td id="L23" class="blob-num js-line-number" data-line-number="23"></td> 
    501         <td id="LC23" class="blob-code blob-code-inner js-file-line"> 
    502 </td> 
    503       </tr> 
    504       <tr> 
    505         <td id="L24" class="blob-num js-line-number" data-line-number="24"></td> 
    506         <td id="LC24" class="blob-code blob-code-inner js-file-line"><span class="pl-c1">PD_DOT</span> <span class="pl-k">=</span> [</td> 
    507       </tr> 
    508       <tr> 
    509         <td id="L25" class="blob-num js-line-number" data-line-number="25"></td> 
    510         <td id="LC25" class="blob-code blob-code-inner js-file-line">    (<span class="pl-s"><span class="pl-pds">&quot;</span><span class="pl-pds">&quot;</span></span>, <span class="pl-s"><span class="pl-pds">&quot;</span><span class="pl-pds">&quot;</span></span>),</td> 
    511       </tr> 
    512       <tr> 
    513         <td id="L26" class="blob-num js-line-number" data-line-number="26"></td> 
    514         <td id="LC26" class="blob-code blob-code-inner js-file-line">    (<span class="pl-s"><span class="pl-pds">&quot;</span>_pd<span class="pl-pds">&quot;</span></span>, <span class="pl-s"><span class="pl-pds">&quot;</span>.width<span class="pl-pds">&quot;</span></span>),</td> 
    515       </tr> 
    516       <tr> 
    517         <td id="L27" class="blob-num js-line-number" data-line-number="27"></td> 
    518         <td id="LC27" class="blob-code blob-code-inner js-file-line">    (<span class="pl-s"><span class="pl-pds">&quot;</span>_pd_n<span class="pl-pds">&quot;</span></span>, <span class="pl-s"><span class="pl-pds">&quot;</span>.npts<span class="pl-pds">&quot;</span></span>),</td> 
    519       </tr> 
    520       <tr> 
    521         <td id="L28" class="blob-num js-line-number" data-line-number="28"></td> 
    522         <td id="LC28" class="blob-code blob-code-inner js-file-line">    (<span class="pl-s"><span class="pl-pds">&quot;</span>_pd_nsigma<span class="pl-pds">&quot;</span></span>, <span class="pl-s"><span class="pl-pds">&quot;</span>.nsigmas<span class="pl-pds">&quot;</span></span>),</td> 
    523       </tr> 
    524       <tr> 
    525         <td id="L29" class="blob-num js-line-number" data-line-number="29"></td> 
    526         <td id="LC29" class="blob-code blob-code-inner js-file-line">    (<span class="pl-s"><span class="pl-pds">&quot;</span>_pd_type<span class="pl-pds">&quot;</span></span>, <span class="pl-s"><span class="pl-pds">&quot;</span>.type<span class="pl-pds">&quot;</span></span>),</td> 
    527       </tr> 
    528       <tr> 
    529         <td id="L30" class="blob-num js-line-number" data-line-number="30"></td> 
    530         <td id="LC30" class="blob-code blob-code-inner js-file-line">    ]</td> 
    531       </tr> 
    532       <tr> 
    533         <td id="L31" class="blob-num js-line-number" data-line-number="31"></td> 
    534         <td id="LC31" class="blob-code blob-code-inner js-file-line"><span class="pl-k">def</span> <span class="pl-en">_convert_pars</span>(<span class="pl-smi">pars</span>, <span class="pl-smi">mapping</span>):</td> 
    535       </tr> 
    536       <tr> 
    537         <td id="L32" class="blob-num js-line-number" data-line-number="32"></td> 
    538         <td id="LC32" class="blob-code blob-code-inner js-file-line">    <span class="pl-s"><span class="pl-pds">&quot;&quot;&quot;</span></span></td> 
    539       </tr> 
    540       <tr> 
    541         <td id="L33" class="blob-num js-line-number" data-line-number="33"></td> 
    542         <td id="LC33" class="blob-code blob-code-inner js-file-line"><span class="pl-s">    Rename the parameters and any associated polydispersity attributes.</span></td> 
    543       </tr> 
    544       <tr> 
    545         <td id="L34" class="blob-num js-line-number" data-line-number="34"></td> 
    546         <td id="LC34" class="blob-code blob-code-inner js-file-line"><span class="pl-s">    <span class="pl-pds">&quot;&quot;&quot;</span></span></td> 
    547       </tr> 
    548       <tr> 
    549         <td id="L35" class="blob-num js-line-number" data-line-number="35"></td> 
    550         <td id="LC35" class="blob-code blob-code-inner js-file-line">    newpars <span class="pl-k">=</span> pars.copy()</td> 
    551       </tr> 
    552       <tr> 
    553         <td id="L36" class="blob-num js-line-number" data-line-number="36"></td> 
    554         <td id="LC36" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">for</span> new, old <span class="pl-k">in</span> mapping.items():</td> 
    555       </tr> 
    556       <tr> 
    557         <td id="L37" class="blob-num js-line-number" data-line-number="37"></td> 
    558         <td id="LC37" class="blob-code blob-code-inner js-file-line">        <span class="pl-k">if</span> old <span class="pl-k">==</span> new: <span class="pl-k">continue</span></td> 
    559       </tr> 
    560       <tr> 
    561         <td id="L38" class="blob-num js-line-number" data-line-number="38"></td> 
    562         <td id="LC38" class="blob-code blob-code-inner js-file-line">        <span class="pl-k">for</span> pd, dot <span class="pl-k">in</span> <span class="pl-c1">PD_DOT</span>:</td> 
    563       </tr> 
    564       <tr> 
    565         <td id="L39" class="blob-num js-line-number" data-line-number="39"></td> 
    566         <td id="LC39" class="blob-code blob-code-inner js-file-line">            <span class="pl-k">if</span> old<span class="pl-k">+</span>dot <span class="pl-k">in</span> newpars:</td> 
    567       </tr> 
    568       <tr> 
    569         <td id="L40" class="blob-num js-line-number" data-line-number="40"></td> 
    570         <td id="LC40" class="blob-code blob-code-inner js-file-line">                <span class="pl-k">if</span> new <span class="pl-k">is</span> <span class="pl-k">not</span> <span class="pl-c1">None</span>:</td> 
    571       </tr> 
    572       <tr> 
    573         <td id="L41" class="blob-num js-line-number" data-line-number="41"></td> 
    574         <td id="LC41" class="blob-code blob-code-inner js-file-line">                    newpars[new<span class="pl-k">+</span>pd] <span class="pl-k">=</span> pars[old<span class="pl-k">+</span>dot]</td> 
    575       </tr> 
    576       <tr> 
    577         <td id="L42" class="blob-num js-line-number" data-line-number="42"></td> 
    578         <td id="LC42" class="blob-code blob-code-inner js-file-line">                <span class="pl-k">del</span> newpars[old<span class="pl-k">+</span>dot]</td> 
    579       </tr> 
    580       <tr> 
    581         <td id="L43" class="blob-num js-line-number" data-line-number="43"></td> 
    582         <td id="LC43" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">return</span> newpars</td> 
    583       </tr> 
    584       <tr> 
    585         <td id="L44" class="blob-num js-line-number" data-line-number="44"></td> 
    586         <td id="LC44" class="blob-code blob-code-inner js-file-line"> 
    587 </td> 
    588       </tr> 
    589       <tr> 
    590         <td id="L45" class="blob-num js-line-number" data-line-number="45"></td> 
    591         <td id="LC45" class="blob-code blob-code-inner js-file-line"><span class="pl-k">def</span> <span class="pl-en">_rescale_sld</span>(<span class="pl-smi">pars</span>):</td> 
    592       </tr> 
    593       <tr> 
    594         <td id="L46" class="blob-num js-line-number" data-line-number="46"></td> 
    595         <td id="LC46" class="blob-code blob-code-inner js-file-line">    <span class="pl-s"><span class="pl-pds">&quot;&quot;&quot;</span></span></td> 
    596       </tr> 
    597       <tr> 
    598         <td id="L47" class="blob-num js-line-number" data-line-number="47"></td> 
    599         <td id="LC47" class="blob-code blob-code-inner js-file-line"><span class="pl-s">    rescale all sld parameters in the new model definition by 1e6 so the</span></td> 
    600       </tr> 
    601       <tr> 
    602         <td id="L48" class="blob-num js-line-number" data-line-number="48"></td> 
    603         <td id="LC48" class="blob-code blob-code-inner js-file-line"><span class="pl-s">    numbers are nicer.  Relies on the fact that all sld parameters in the</span></td> 
    604       </tr> 
    605       <tr> 
    606         <td id="L49" class="blob-num js-line-number" data-line-number="49"></td> 
    607         <td id="LC49" class="blob-code blob-code-inner js-file-line"><span class="pl-s">    new model definition end with sld.</span></td> 
    608       </tr> 
    609       <tr> 
    610         <td id="L50" class="blob-num js-line-number" data-line-number="50"></td> 
    611         <td id="LC50" class="blob-code blob-code-inner js-file-line"><span class="pl-s">    <span class="pl-pds">&quot;&quot;&quot;</span></span></td> 
    612       </tr> 
    613       <tr> 
    614         <td id="L51" class="blob-num js-line-number" data-line-number="51"></td> 
    615         <td id="LC51" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">return</span> <span class="pl-c1">dict</span>((p, (v<span class="pl-k">*</span><span class="pl-c1">1e6</span> <span class="pl-k">if</span> p.endswith(<span class="pl-s"><span class="pl-pds">&#39;</span>sld<span class="pl-pds">&#39;</span></span>) <span class="pl-k">else</span> v))</td> 
    616       </tr> 
    617       <tr> 
    618         <td id="L52" class="blob-num js-line-number" data-line-number="52"></td> 
    619         <td id="LC52" class="blob-code blob-code-inner js-file-line">                <span class="pl-k">for</span> p, v <span class="pl-k">in</span> pars.items())</td> 
    620       </tr> 
    621       <tr> 
    622         <td id="L53" class="blob-num js-line-number" data-line-number="53"></td> 
    623         <td id="LC53" class="blob-code blob-code-inner js-file-line"> 
    624 </td> 
    625       </tr> 
    626       <tr> 
    627         <td id="L54" class="blob-num js-line-number" data-line-number="54"></td> 
    628         <td id="LC54" class="blob-code blob-code-inner js-file-line"><span class="pl-k">def</span> <span class="pl-en">convert_model</span>(<span class="pl-smi">name</span>, <span class="pl-smi">pars</span>):</td> 
    629       </tr> 
    630       <tr> 
    631         <td id="L55" class="blob-num js-line-number" data-line-number="55"></td> 
    632         <td id="LC55" class="blob-code blob-code-inner js-file-line">    <span class="pl-s"><span class="pl-pds">&quot;&quot;&quot;</span></span></td> 
    633       </tr> 
    634       <tr> 
    635         <td id="L56" class="blob-num js-line-number" data-line-number="56"></td> 
    636         <td id="LC56" class="blob-code blob-code-inner js-file-line"><span class="pl-s">    Convert model from old style parameter names to new style.</span></td> 
    637       </tr> 
    638       <tr> 
    639         <td id="L57" class="blob-num js-line-number" data-line-number="57"></td> 
    640         <td id="LC57" class="blob-code blob-code-inner js-file-line"><span class="pl-s">    <span class="pl-pds">&quot;&quot;&quot;</span></span></td> 
    641       </tr> 
    642       <tr> 
    643         <td id="L58" class="blob-num js-line-number" data-line-number="58"></td> 
    644         <td id="LC58" class="blob-code blob-code-inner js-file-line">    _, _ <span class="pl-k">=</span> name, pars <span class="pl-c"># lint</span></td> 
    645       </tr> 
    646       <tr> 
    647         <td id="L59" class="blob-num js-line-number" data-line-number="59"></td> 
    648         <td id="LC59" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">raise</span> <span class="pl-c1">NotImplementedError</span></td> 
    649       </tr> 
    650       <tr> 
    651         <td id="L60" class="blob-num js-line-number" data-line-number="60"></td> 
    652         <td id="LC60" class="blob-code blob-code-inner js-file-line">    <span class="pl-c"># need to load all new models in order to determine old=&gt;new</span></td> 
    653       </tr> 
    654       <tr> 
    655         <td id="L61" class="blob-num js-line-number" data-line-number="61"></td> 
    656         <td id="LC61" class="blob-code blob-code-inner js-file-line">    <span class="pl-c"># model name mapping</span></td> 
    657       </tr> 
    658       <tr> 
    659         <td id="L62" class="blob-num js-line-number" data-line-number="62"></td> 
    660         <td id="LC62" class="blob-code blob-code-inner js-file-line"> 
    661 </td> 
    662       </tr> 
    663       <tr> 
    664         <td id="L63" class="blob-num js-line-number" data-line-number="63"></td> 
    665         <td id="LC63" class="blob-code blob-code-inner js-file-line"><span class="pl-k">def</span> <span class="pl-en">_unscale_sld</span>(<span class="pl-smi">pars</span>):</td> 
    666       </tr> 
    667       <tr> 
    668         <td id="L64" class="blob-num js-line-number" data-line-number="64"></td> 
    669         <td id="LC64" class="blob-code blob-code-inner js-file-line">    <span class="pl-s"><span class="pl-pds">&quot;&quot;&quot;</span></span></td> 
    670       </tr> 
    671       <tr> 
    672         <td id="L65" class="blob-num js-line-number" data-line-number="65"></td> 
    673         <td id="LC65" class="blob-code blob-code-inner js-file-line"><span class="pl-s">    rescale all sld parameters in the new model definition by 1e6 so the</span></td> 
    674       </tr> 
    675       <tr> 
    676         <td id="L66" class="blob-num js-line-number" data-line-number="66"></td> 
    677         <td id="LC66" class="blob-code blob-code-inner js-file-line"><span class="pl-s">    numbers are nicer.  Relies on the fact that all sld parameters in the</span></td> 
    678       </tr> 
    679       <tr> 
    680         <td id="L67" class="blob-num js-line-number" data-line-number="67"></td> 
    681         <td id="LC67" class="blob-code blob-code-inner js-file-line"><span class="pl-s">    new model definition end with sld.</span></td> 
    682       </tr> 
    683       <tr> 
    684         <td id="L68" class="blob-num js-line-number" data-line-number="68"></td> 
    685         <td id="LC68" class="blob-code blob-code-inner js-file-line"><span class="pl-s">    <span class="pl-pds">&quot;&quot;&quot;</span></span></td> 
    686       </tr> 
    687       <tr> 
    688         <td id="L69" class="blob-num js-line-number" data-line-number="69"></td> 
    689         <td id="LC69" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">return</span> <span class="pl-c1">dict</span>((p, (v<span class="pl-k">*</span><span class="pl-c1">1e-6</span> <span class="pl-k">if</span> p.endswith(<span class="pl-s"><span class="pl-pds">&#39;</span>sld<span class="pl-pds">&#39;</span></span>) <span class="pl-k">else</span> v))</td> 
    690       </tr> 
    691       <tr> 
    692         <td id="L70" class="blob-num js-line-number" data-line-number="70"></td> 
    693         <td id="LC70" class="blob-code blob-code-inner js-file-line">                <span class="pl-k">for</span> p, v <span class="pl-k">in</span> pars.items())</td> 
    694       </tr> 
    695       <tr> 
    696         <td id="L71" class="blob-num js-line-number" data-line-number="71"></td> 
    697         <td id="LC71" class="blob-code blob-code-inner js-file-line"> 
    698 </td> 
    699       </tr> 
    700       <tr> 
    701         <td id="L72" class="blob-num js-line-number" data-line-number="72"></td> 
    702         <td id="LC72" class="blob-code blob-code-inner js-file-line"><span class="pl-k">def</span> <span class="pl-en">_remove_pd</span>(<span class="pl-smi">pars</span>, <span class="pl-smi">key</span>, <span class="pl-smi">name</span>):</td> 
    703       </tr> 
    704       <tr> 
    705         <td id="L73" class="blob-num js-line-number" data-line-number="73"></td> 
    706         <td id="LC73" class="blob-code blob-code-inner js-file-line">    <span class="pl-s"><span class="pl-pds">&quot;&quot;&quot;</span></span></td> 
    707       </tr> 
    708       <tr> 
    709         <td id="L74" class="blob-num js-line-number" data-line-number="74"></td> 
    710         <td id="LC74" class="blob-code blob-code-inner js-file-line"><span class="pl-s">    Remove polydispersity from the parameter list.</span></td> 
    711       </tr> 
    712       <tr> 
    713         <td id="L75" class="blob-num js-line-number" data-line-number="75"></td> 
    714         <td id="LC75" class="blob-code blob-code-inner js-file-line"><span class="pl-s"></span></td> 
    715       </tr> 
    716       <tr> 
    717         <td id="L76" class="blob-num js-line-number" data-line-number="76"></td> 
    718         <td id="LC76" class="blob-code blob-code-inner js-file-line"><span class="pl-s">    Note: operates in place</span></td> 
    719       </tr> 
    720       <tr> 
    721         <td id="L77" class="blob-num js-line-number" data-line-number="77"></td> 
    722         <td id="LC77" class="blob-code blob-code-inner js-file-line"><span class="pl-s">    <span class="pl-pds">&quot;&quot;&quot;</span></span></td> 
    723       </tr> 
    724       <tr> 
    725         <td id="L78" class="blob-num js-line-number" data-line-number="78"></td> 
    726         <td id="LC78" class="blob-code blob-code-inner js-file-line">    <span class="pl-c"># Bumps style parameter names</span></td> 
    727       </tr> 
    728       <tr> 
    729         <td id="L79" class="blob-num js-line-number" data-line-number="79"></td> 
    730         <td id="LC79" class="blob-code blob-code-inner js-file-line">    pd <span class="pl-k">=</span> pars.pop(key<span class="pl-k">+</span><span class="pl-s"><span class="pl-pds">&quot;</span>.width<span class="pl-pds">&quot;</span></span>, <span class="pl-c1">0.0</span>)</td> 
    731       </tr> 
    732       <tr> 
    733         <td id="L80" class="blob-num js-line-number" data-line-number="80"></td> 
    734         <td id="LC80" class="blob-code blob-code-inner js-file-line">    pd_n <span class="pl-k">=</span> pars.pop(key<span class="pl-k">+</span><span class="pl-s"><span class="pl-pds">&quot;</span>.npts<span class="pl-pds">&quot;</span></span>, <span class="pl-c1">0</span>)</td> 
    735       </tr> 
    736       <tr> 
    737         <td id="L81" class="blob-num js-line-number" data-line-number="81"></td> 
    738         <td id="LC81" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">if</span> pd <span class="pl-k">!=</span> <span class="pl-c1">0.0</span> <span class="pl-k">and</span> pd_n <span class="pl-k">!=</span> <span class="pl-c1">0</span>:</td> 
    739       </tr> 
    740       <tr> 
    741         <td id="L82" class="blob-num js-line-number" data-line-number="82"></td> 
    742         <td id="LC82" class="blob-code blob-code-inner js-file-line">        warnings.warn(<span class="pl-s"><span class="pl-pds">&quot;</span>parameter <span class="pl-c1">%s</span> not polydisperse in sasview <span class="pl-c1">%s</span><span class="pl-pds">&quot;</span></span><span class="pl-k">%</span>(key, name))</td> 
    743       </tr> 
    744       <tr> 
    745         <td id="L83" class="blob-num js-line-number" data-line-number="83"></td> 
    746         <td id="LC83" class="blob-code blob-code-inner js-file-line">    pars.pop(key<span class="pl-k">+</span><span class="pl-s"><span class="pl-pds">&quot;</span>.nsigmas<span class="pl-pds">&quot;</span></span>, <span class="pl-c1">None</span>)</td> 
    747       </tr> 
    748       <tr> 
    749         <td id="L84" class="blob-num js-line-number" data-line-number="84"></td> 
    750         <td id="LC84" class="blob-code blob-code-inner js-file-line">    pars.pop(key<span class="pl-k">+</span><span class="pl-s"><span class="pl-pds">&quot;</span>.type<span class="pl-pds">&quot;</span></span>, <span class="pl-c1">None</span>)</td> 
    751       </tr> 
    752       <tr> 
    753         <td id="L85" class="blob-num js-line-number" data-line-number="85"></td> 
    754         <td id="LC85" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">return</span> pars</td> 
    755       </tr> 
    756       <tr> 
    757         <td id="L86" class="blob-num js-line-number" data-line-number="86"></td> 
    758         <td id="LC86" class="blob-code blob-code-inner js-file-line"> 
    759 </td> 
    760       </tr> 
    761       <tr> 
    762         <td id="L87" class="blob-num js-line-number" data-line-number="87"></td> 
    763         <td id="LC87" class="blob-code blob-code-inner js-file-line"><span class="pl-k">def</span> <span class="pl-en">_revert_pars</span>(<span class="pl-smi">pars</span>, <span class="pl-smi">mapping</span>):</td> 
    764       </tr> 
    765       <tr> 
    766         <td id="L88" class="blob-num js-line-number" data-line-number="88"></td> 
    767         <td id="LC88" class="blob-code blob-code-inner js-file-line">    <span class="pl-s"><span class="pl-pds">&quot;&quot;&quot;</span></span></td> 
    768       </tr> 
    769       <tr> 
    770         <td id="L89" class="blob-num js-line-number" data-line-number="89"></td> 
    771         <td id="LC89" class="blob-code blob-code-inner js-file-line"><span class="pl-s">    Rename the parameters and any associated polydispersity attributes.</span></td> 
    772       </tr> 
    773       <tr> 
    774         <td id="L90" class="blob-num js-line-number" data-line-number="90"></td> 
    775         <td id="LC90" class="blob-code blob-code-inner js-file-line"><span class="pl-s">    <span class="pl-pds">&quot;&quot;&quot;</span></span></td> 
    776       </tr> 
    777       <tr> 
    778         <td id="L91" class="blob-num js-line-number" data-line-number="91"></td> 
    779         <td id="LC91" class="blob-code blob-code-inner js-file-line">    newpars <span class="pl-k">=</span> pars.copy()</td> 
    780       </tr> 
    781       <tr> 
    782         <td id="L92" class="blob-num js-line-number" data-line-number="92"></td> 
    783         <td id="LC92" class="blob-code blob-code-inner js-file-line"> 
    784 </td> 
    785       </tr> 
    786       <tr> 
    787         <td id="L93" class="blob-num js-line-number" data-line-number="93"></td> 
    788         <td id="LC93" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">for</span> new, old <span class="pl-k">in</span> mapping.items():</td> 
    789       </tr> 
    790       <tr> 
    791         <td id="L94" class="blob-num js-line-number" data-line-number="94"></td> 
    792         <td id="LC94" class="blob-code blob-code-inner js-file-line">        <span class="pl-k">for</span> pd, dot <span class="pl-k">in</span> <span class="pl-c1">PD_DOT</span>:</td> 
    793       </tr> 
    794       <tr> 
    795         <td id="L95" class="blob-num js-line-number" data-line-number="95"></td> 
    796         <td id="LC95" class="blob-code blob-code-inner js-file-line">            <span class="pl-k">if</span> old <span class="pl-k">and</span> old<span class="pl-k">+</span>pd <span class="pl-k">==</span> new<span class="pl-k">+</span>dot:</td> 
    797       </tr> 
    798       <tr> 
    799         <td id="L96" class="blob-num js-line-number" data-line-number="96"></td> 
    800         <td id="LC96" class="blob-code blob-code-inner js-file-line">                <span class="pl-k">continue</span></td> 
    801       </tr> 
    802       <tr> 
    803         <td id="L97" class="blob-num js-line-number" data-line-number="97"></td> 
    804         <td id="LC97" class="blob-code blob-code-inner js-file-line">            <span class="pl-k">if</span> new<span class="pl-k">+</span>pd <span class="pl-k">in</span> newpars:</td> 
    805       </tr> 
    806       <tr> 
    807         <td id="L98" class="blob-num js-line-number" data-line-number="98"></td> 
    808         <td id="LC98" class="blob-code blob-code-inner js-file-line">                <span class="pl-k">if</span> old <span class="pl-k">is</span> <span class="pl-k">not</span> <span class="pl-c1">None</span>:</td> 
    809       </tr> 
    810       <tr> 
    811         <td id="L99" class="blob-num js-line-number" data-line-number="99"></td> 
    812         <td id="LC99" class="blob-code blob-code-inner js-file-line">                    newpars[old<span class="pl-k">+</span>dot] <span class="pl-k">=</span> pars[new<span class="pl-k">+</span>pd]</td> 
    813       </tr> 
    814       <tr> 
    815         <td id="L100" class="blob-num js-line-number" data-line-number="100"></td> 
    816         <td id="LC100" class="blob-code blob-code-inner js-file-line">                <span class="pl-k">del</span> newpars[new<span class="pl-k">+</span>pd]</td> 
    817       </tr> 
    818       <tr> 
    819         <td id="L101" class="blob-num js-line-number" data-line-number="101"></td> 
    820         <td id="LC101" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">for</span> k <span class="pl-k">in</span> <span class="pl-c1">list</span>(newpars.keys()):</td> 
    821       </tr> 
    822       <tr> 
    823         <td id="L102" class="blob-num js-line-number" data-line-number="102"></td> 
    824         <td id="LC102" class="blob-code blob-code-inner js-file-line">        <span class="pl-k">for</span> pd, dot <span class="pl-k">in</span> <span class="pl-c1">PD_DOT</span>[<span class="pl-c1">1</span>:]:  <span class="pl-c"># skip &quot;&quot; =&gt; &quot;&quot;</span></td> 
    825       </tr> 
    826       <tr> 
    827         <td id="L103" class="blob-num js-line-number" data-line-number="103"></td> 
    828         <td id="LC103" class="blob-code blob-code-inner js-file-line">            <span class="pl-k">if</span> k.endswith(pd):</td> 
    829       </tr> 
    830       <tr> 
    831         <td id="L104" class="blob-num js-line-number" data-line-number="104"></td> 
    832         <td id="LC104" class="blob-code blob-code-inner js-file-line">                newpars[k[:<span class="pl-k">-</span><span class="pl-c1">len</span>(pd)]<span class="pl-k">+</span>dot] <span class="pl-k">=</span> newpars[k]</td> 
    833       </tr> 
    834       <tr> 
    835         <td id="L105" class="blob-num js-line-number" data-line-number="105"></td> 
    836         <td id="LC105" class="blob-code blob-code-inner js-file-line">                <span class="pl-k">del</span> newpars[k]</td> 
    837       </tr> 
    838       <tr> 
    839         <td id="L106" class="blob-num js-line-number" data-line-number="106"></td> 
    840         <td id="LC106" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">return</span> newpars</td> 
    841       </tr> 
    842       <tr> 
    843         <td id="L107" class="blob-num js-line-number" data-line-number="107"></td> 
    844         <td id="LC107" class="blob-code blob-code-inner js-file-line"> 
    845 </td> 
    846       </tr> 
    847       <tr> 
    848         <td id="L108" class="blob-num js-line-number" data-line-number="108"></td> 
    849         <td id="LC108" class="blob-code blob-code-inner js-file-line"><span class="pl-k">def</span> <span class="pl-en">revert_model</span>(<span class="pl-smi">model_definition</span>, <span class="pl-smi">pars</span>):</td> 
    850       </tr> 
    851       <tr> 
    852         <td id="L109" class="blob-num js-line-number" data-line-number="109"></td> 
    853         <td id="LC109" class="blob-code blob-code-inner js-file-line">    <span class="pl-s"><span class="pl-pds">&quot;&quot;&quot;</span></span></td> 
    854       </tr> 
    855       <tr> 
    856         <td id="L110" class="blob-num js-line-number" data-line-number="110"></td> 
    857         <td id="LC110" class="blob-code blob-code-inner js-file-line"><span class="pl-s">    Convert model from new style parameter names to old style.</span></td> 
    858       </tr> 
    859       <tr> 
    860         <td id="L111" class="blob-num js-line-number" data-line-number="111"></td> 
    861         <td id="LC111" class="blob-code blob-code-inner js-file-line"><span class="pl-s">    <span class="pl-pds">&quot;&quot;&quot;</span></span></td> 
    862       </tr> 
    863       <tr> 
    864         <td id="L112" class="blob-num js-line-number" data-line-number="112"></td> 
    865         <td id="LC112" class="blob-code blob-code-inner js-file-line">    mapping <span class="pl-k">=</span> model_definition.oldpars</td> 
    866       </tr> 
    867       <tr> 
    868         <td id="L113" class="blob-num js-line-number" data-line-number="113"></td> 
    869         <td id="LC113" class="blob-code blob-code-inner js-file-line">    oldname <span class="pl-k">=</span> model_definition.oldname</td> 
    870       </tr> 
    871       <tr> 
    872         <td id="L114" class="blob-num js-line-number" data-line-number="114"></td> 
    873         <td id="LC114" class="blob-code blob-code-inner js-file-line">    oldpars <span class="pl-k">=</span> _revert_pars(_unscale_sld(pars), mapping)</td> 
    874       </tr> 
    875       <tr> 
    876         <td id="L115" class="blob-num js-line-number" data-line-number="115"></td> 
    877         <td id="LC115" class="blob-code blob-code-inner js-file-line"> 
    878 </td> 
    879       </tr> 
    880       <tr> 
    881         <td id="L116" class="blob-num js-line-number" data-line-number="116"></td> 
    882         <td id="LC116" class="blob-code blob-code-inner js-file-line">    <span class="pl-c"># Note: update compare.constrain_pars to match</span></td> 
    883       </tr> 
    884       <tr> 
    885         <td id="L117" class="blob-num js-line-number" data-line-number="117"></td> 
    886         <td id="LC117" class="blob-code blob-code-inner js-file-line">    name <span class="pl-k">=</span> model_definition.name</td> 
    887       </tr> 
    888       <tr> 
    889         <td id="L118" class="blob-num js-line-number" data-line-number="118"></td> 
    890         <td id="LC118" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">if</span> name <span class="pl-k">in</span> <span class="pl-c1">MODELS_WITHOUT_SCALE</span>:</td> 
    891       </tr> 
    892       <tr> 
    893         <td id="L119" class="blob-num js-line-number" data-line-number="119"></td> 
    894         <td id="LC119" class="blob-code blob-code-inner js-file-line">        <span class="pl-k">if</span> oldpars.pop(<span class="pl-s"><span class="pl-pds">&#39;</span>scale<span class="pl-pds">&#39;</span></span>, <span class="pl-c1">1.0</span>) <span class="pl-k">!=</span> <span class="pl-c1">1.0</span>:</td> 
    895       </tr> 
    896       <tr> 
    897         <td id="L120" class="blob-num js-line-number" data-line-number="120"></td> 
    898         <td id="LC120" class="blob-code blob-code-inner js-file-line">            warnings.warn(<span class="pl-s"><span class="pl-pds">&quot;</span>parameter scale not used in sasview <span class="pl-c1">%s</span><span class="pl-pds">&quot;</span></span><span class="pl-k">%</span>name)</td> 
    899       </tr> 
    900       <tr> 
    901         <td id="L121" class="blob-num js-line-number" data-line-number="121"></td> 
    902         <td id="LC121" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">elif</span> name <span class="pl-k">in</span> <span class="pl-c1">MODELS_WITHOUT_BACKGROUND</span>:</td> 
    903       </tr> 
    904       <tr> 
    905         <td id="L122" class="blob-num js-line-number" data-line-number="122"></td> 
    906         <td id="LC122" class="blob-code blob-code-inner js-file-line">        <span class="pl-k">if</span> oldpars.pop(<span class="pl-s"><span class="pl-pds">&#39;</span>background<span class="pl-pds">&#39;</span></span>, <span class="pl-c1">0.0</span>) <span class="pl-k">!=</span> <span class="pl-c1">0.0</span>:</td> 
    907       </tr> 
    908       <tr> 
    909         <td id="L123" class="blob-num js-line-number" data-line-number="123"></td> 
    910         <td id="LC123" class="blob-code blob-code-inner js-file-line">            warnings.warn(<span class="pl-s"><span class="pl-pds">&quot;</span>parameter background not used in sasview <span class="pl-c1">%s</span><span class="pl-pds">&quot;</span></span><span class="pl-k">%</span>name)</td> 
    911       </tr> 
    912       <tr> 
    913         <td id="L124" class="blob-num js-line-number" data-line-number="124"></td> 
    914         <td id="LC124" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">elif</span> <span class="pl-c1">getattr</span>(model_definition, <span class="pl-s"><span class="pl-pds">&#39;</span>category<span class="pl-pds">&#39;</span></span>, <span class="pl-c1">None</span>) <span class="pl-k">==</span> <span class="pl-s"><span class="pl-pds">&#39;</span>structure-factor<span class="pl-pds">&#39;</span></span>:</td> 
    915       </tr> 
    916       <tr> 
    917         <td id="L125" class="blob-num js-line-number" data-line-number="125"></td> 
    918         <td id="LC125" class="blob-code blob-code-inner js-file-line">        <span class="pl-k">if</span> oldpars.pop(<span class="pl-s"><span class="pl-pds">&#39;</span>scale<span class="pl-pds">&#39;</span></span>, <span class="pl-c1">1.0</span>) <span class="pl-k">!=</span> <span class="pl-c1">1.0</span>:</td> 
    919       </tr> 
    920       <tr> 
    921         <td id="L126" class="blob-num js-line-number" data-line-number="126"></td> 
    922         <td id="LC126" class="blob-code blob-code-inner js-file-line">            warnings.warn(<span class="pl-s"><span class="pl-pds">&quot;</span>parameter scale not used in sasview <span class="pl-c1">%s</span><span class="pl-pds">&quot;</span></span><span class="pl-k">%</span>name)</td> 
    923       </tr> 
    924       <tr> 
    925         <td id="L127" class="blob-num js-line-number" data-line-number="127"></td> 
    926         <td id="LC127" class="blob-code blob-code-inner js-file-line">        <span class="pl-k">if</span> oldpars.pop(<span class="pl-s"><span class="pl-pds">&#39;</span>background<span class="pl-pds">&#39;</span></span>, <span class="pl-c1">0.0</span>) <span class="pl-k">!=</span> <span class="pl-c1">0.0</span>:</td> 
    927       </tr> 
    928       <tr> 
    929         <td id="L128" class="blob-num js-line-number" data-line-number="128"></td> 
    930         <td id="LC128" class="blob-code blob-code-inner js-file-line">            warnings.warn(<span class="pl-s"><span class="pl-pds">&quot;</span>parameter background not used in sasview <span class="pl-c1">%s</span><span class="pl-pds">&quot;</span></span><span class="pl-k">%</span>name)</td> 
    931       </tr> 
    932       <tr> 
    933         <td id="L129" class="blob-num js-line-number" data-line-number="129"></td> 
    934         <td id="LC129" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">elif</span> name <span class="pl-k">==</span> <span class="pl-s"><span class="pl-pds">&#39;</span>pearl_necklace<span class="pl-pds">&#39;</span></span>:</td> 
    935       </tr> 
    936       <tr> 
    937         <td id="L130" class="blob-num js-line-number" data-line-number="130"></td> 
    938         <td id="LC130" class="blob-code blob-code-inner js-file-line">        _remove_pd(oldpars, <span class="pl-s"><span class="pl-pds">&#39;</span>num_pearls<span class="pl-pds">&#39;</span></span>, name)</td> 
    939       </tr> 
    940       <tr> 
    941         <td id="L131" class="blob-num js-line-number" data-line-number="131"></td> 
    942         <td id="LC131" class="blob-code blob-code-inner js-file-line">        _remove_pd(oldpars, <span class="pl-s"><span class="pl-pds">&#39;</span>thick_string<span class="pl-pds">&#39;</span></span>, name)</td> 
    943       </tr> 
    944       <tr> 
    945         <td id="L132" class="blob-num js-line-number" data-line-number="132"></td> 
    946         <td id="LC132" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">elif</span> name <span class="pl-k">==</span> <span class="pl-s"><span class="pl-pds">&#39;</span>rpa<span class="pl-pds">&#39;</span></span>:</td> 
    947       </tr> 
    948       <tr> 
    949         <td id="L133" class="blob-num js-line-number" data-line-number="133"></td> 
    950         <td id="LC133" class="blob-code blob-code-inner js-file-line">        <span class="pl-c"># convert scattering lengths from femtometers to centimeters</span></td> 
    951       </tr> 
    952       <tr> 
    953         <td id="L134" class="blob-num js-line-number" data-line-number="134"></td> 
    954         <td id="LC134" class="blob-code blob-code-inner js-file-line">        <span class="pl-k">for</span> p <span class="pl-k">in</span> <span class="pl-s"><span class="pl-pds">&quot;</span>La<span class="pl-pds">&quot;</span></span>, <span class="pl-s"><span class="pl-pds">&quot;</span>Lb<span class="pl-pds">&quot;</span></span>, <span class="pl-s"><span class="pl-pds">&quot;</span>Lc<span class="pl-pds">&quot;</span></span>, <span class="pl-s"><span class="pl-pds">&quot;</span>Ld<span class="pl-pds">&quot;</span></span>:</td> 
    955       </tr> 
    956       <tr> 
    957         <td id="L135" class="blob-num js-line-number" data-line-number="135"></td> 
    958         <td id="LC135" class="blob-code blob-code-inner js-file-line">            <span class="pl-k">if</span> p <span class="pl-k">in</span> oldpars: oldpars[p] <span class="pl-k">*=</span> <span class="pl-c1">1e-13</span></td> 
    959       </tr> 
    960       <tr> 
    961         <td id="L136" class="blob-num js-line-number" data-line-number="136"></td> 
    962         <td id="LC136" class="blob-code blob-code-inner js-file-line"> 
    963 </td> 
    964       </tr> 
    965       <tr> 
    966         <td id="L137" class="blob-num js-line-number" data-line-number="137"></td> 
    967         <td id="LC137" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">return</span> oldname, oldpars</td> 
    968       </tr> 
    969       <tr> 
    970         <td id="L138" class="blob-num js-line-number" data-line-number="138"></td> 
    971         <td id="LC138" class="blob-code blob-code-inner js-file-line"> 
    972 </td> 
    973       </tr> 
    974       <tr> 
    975         <td id="L139" class="blob-num js-line-number" data-line-number="139"></td> 
    976         <td id="LC139" class="blob-code blob-code-inner js-file-line"><span class="pl-k">def</span> <span class="pl-en">constrain_new_to_old</span>(<span class="pl-smi">model_definition</span>, <span class="pl-smi">pars</span>):</td> 
    977       </tr> 
    978       <tr> 
    979         <td id="L140" class="blob-num js-line-number" data-line-number="140"></td> 
    980         <td id="LC140" class="blob-code blob-code-inner js-file-line">    <span class="pl-s"><span class="pl-pds">&quot;&quot;&quot;</span></span></td> 
    981       </tr> 
    982       <tr> 
    983         <td id="L141" class="blob-num js-line-number" data-line-number="141"></td> 
    984         <td id="LC141" class="blob-code blob-code-inner js-file-line"><span class="pl-s">    Restrict parameter values to those that will match sasview.</span></td> 
    985       </tr> 
    986       <tr> 
    987         <td id="L142" class="blob-num js-line-number" data-line-number="142"></td> 
    988         <td id="LC142" class="blob-code blob-code-inner js-file-line"><span class="pl-s">    <span class="pl-pds">&quot;&quot;&quot;</span></span></td> 
    989       </tr> 
    990       <tr> 
    991         <td id="L143" class="blob-num js-line-number" data-line-number="143"></td> 
    992         <td id="LC143" class="blob-code blob-code-inner js-file-line">    <span class="pl-c"># Note: update convert.revert_model to match</span></td> 
    993       </tr> 
    994       <tr> 
    995         <td id="L144" class="blob-num js-line-number" data-line-number="144"></td> 
    996         <td id="LC144" class="blob-code blob-code-inner js-file-line">    name <span class="pl-k">=</span> model_definition.name</td> 
    997       </tr> 
    998       <tr> 
    999         <td id="L145" class="blob-num js-line-number" data-line-number="145"></td> 
    1000         <td id="LC145" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">if</span> name <span class="pl-k">in</span> <span class="pl-c1">MODELS_WITHOUT_SCALE</span>:</td> 
    1001       </tr> 
    1002       <tr> 
    1003         <td id="L146" class="blob-num js-line-number" data-line-number="146"></td> 
    1004         <td id="LC146" class="blob-code blob-code-inner js-file-line">        pars[<span class="pl-s"><span class="pl-pds">&#39;</span>scale<span class="pl-pds">&#39;</span></span>] <span class="pl-k">=</span> <span class="pl-c1">1</span></td> 
    1005       </tr> 
    1006       <tr> 
    1007         <td id="L147" class="blob-num js-line-number" data-line-number="147"></td> 
    1008         <td id="LC147" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">elif</span> name <span class="pl-k">in</span> <span class="pl-c1">MODELS_WITHOUT_BACKGROUND</span>:</td> 
    1009       </tr> 
    1010       <tr> 
    1011         <td id="L148" class="blob-num js-line-number" data-line-number="148"></td> 
    1012         <td id="LC148" class="blob-code blob-code-inner js-file-line">        pars[<span class="pl-s"><span class="pl-pds">&#39;</span>background<span class="pl-pds">&#39;</span></span>] <span class="pl-k">=</span> <span class="pl-c1">0</span></td> 
    1013       </tr> 
    1014       <tr> 
    1015         <td id="L149" class="blob-num js-line-number" data-line-number="149"></td> 
    1016         <td id="LC149" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">elif</span> name <span class="pl-k">==</span> <span class="pl-s"><span class="pl-pds">&#39;</span>pearl_necklace<span class="pl-pds">&#39;</span></span>:</td> 
    1017       </tr> 
    1018       <tr> 
    1019         <td id="L150" class="blob-num js-line-number" data-line-number="150"></td> 
    1020         <td id="LC150" class="blob-code blob-code-inner js-file-line">        pars[<span class="pl-s"><span class="pl-pds">&#39;</span>string_thickness_pd_n<span class="pl-pds">&#39;</span></span>] <span class="pl-k">=</span> <span class="pl-c1">0</span></td> 
    1021       </tr> 
    1022       <tr> 
    1023         <td id="L151" class="blob-num js-line-number" data-line-number="151"></td> 
    1024         <td id="LC151" class="blob-code blob-code-inner js-file-line">        pars[<span class="pl-s"><span class="pl-pds">&#39;</span>number_of_pearls_pd_n<span class="pl-pds">&#39;</span></span>] <span class="pl-k">=</span> <span class="pl-c1">0</span></td> 
    1025       </tr> 
    1026       <tr> 
    1027         <td id="L152" class="blob-num js-line-number" data-line-number="152"></td> 
    1028         <td id="LC152" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">elif</span> name <span class="pl-k">==</span> <span class="pl-s"><span class="pl-pds">&#39;</span>rpa<span class="pl-pds">&#39;</span></span>:</td> 
    1029       </tr> 
    1030       <tr> 
    1031         <td id="L153" class="blob-num js-line-number" data-line-number="153"></td> 
    1032         <td id="LC153" class="blob-code blob-code-inner js-file-line">        pars[<span class="pl-s"><span class="pl-pds">&#39;</span>case_num<span class="pl-pds">&#39;</span></span>] <span class="pl-k">=</span> <span class="pl-c1">int</span>(pars[<span class="pl-s"><span class="pl-pds">&#39;</span>case_num<span class="pl-pds">&#39;</span></span>])</td> 
    1033       </tr> 
    1034       <tr> 
    1035         <td id="L154" class="blob-num js-line-number" data-line-number="154"></td> 
    1036         <td id="LC154" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">elif</span> <span class="pl-c1">getattr</span>(model_definition, <span class="pl-s"><span class="pl-pds">&#39;</span>category<span class="pl-pds">&#39;</span></span>, <span class="pl-c1">None</span>) <span class="pl-k">==</span> <span class="pl-s"><span class="pl-pds">&#39;</span>structure-factor<span class="pl-pds">&#39;</span></span>:</td> 
    1037       </tr> 
    1038       <tr> 
    1039         <td id="L155" class="blob-num js-line-number" data-line-number="155"></td> 
    1040         <td id="LC155" class="blob-code blob-code-inner js-file-line">        pars[<span class="pl-s"><span class="pl-pds">&#39;</span>scale<span class="pl-pds">&#39;</span></span>], pars[<span class="pl-s"><span class="pl-pds">&#39;</span>background<span class="pl-pds">&#39;</span></span>] <span class="pl-k">=</span> <span class="pl-c1">1</span>, <span class="pl-c1">0</span></td> 
    1041       </tr> 
    1042       <tr> 
    1043         <td id="L156" class="blob-num js-line-number" data-line-number="156"></td> 
    1044         <td id="LC156" class="blob-code blob-code-inner js-file-line"> 
    1045 </td> 
    1046       </tr> 
    1047 </table> 
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