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<h1 id="shcilmtocindex">SHCilmToCindex</h1>
<p>Convert a three-dimensional array of spherical harmonic coefficients to a two-dimensional indexed array.</p>
<h1 id="usage">Usage</h1>
<p>call SHCilmToCindex (<code>cilm</code>, <code>cindex</code>, <code>degmax</code>, <code>exitstatus</code>)</p>
<h1 id="parameters">Parameters</h1>
<dl>
<dt><code>cilm</code> : input, real*8, dimension (2, <code>lmaxin</code>+1, <code>lmaxin</code>+1)</dt>
<dd>The input spherical harmonic coefficients. <code>cilm(1,:,:)</code> and <code>cilm(2,:,:)</code> correspond to either the real and imaginary components, or cosine and sine coefficients, respectively.
</dd>
<dt><code>cindex</code> : output, real*8, dimension (2, (<code>degmax</code>+1)*(<code>degmax</code>+2)/2)</dt>
<dd>The indexed output spherical harmonic coefficients.
</dd>
<dt><code>degmax</code> : input, optional, integer, default = <code>lmaxin</code></dt>
<dd>The maximum degree of the output coefficients.
</dd>
<dt><code>exitstatus</code> : output, optional, integer</dt>
<dd>If present, instead of executing a STOP when an error is encountered, the variable exitstatus will be returned describing the error. 0 = No errors; 1 = Improper dimensions of input array; 2 = Improper bounds for input variable; 3 = Error allocating memory; 4 = File IO error.
</dd>
</dl>
<h1 id="description">Description</h1>
<p><code>SHCilmToCindex</code> will convert a three-dimensional array of spherical harmonic coefficients to a two-dimensional indexed array. The degree <code>l</code> and order <code>m</code> corresponds to the index <code>l*(l+1)/2+m+1</code>. The default is to convert the entire array <code>cilm</code>, but a subset of this array can be converted by specifying the optional argument <code>degmax</code>.</p>
<h1 id="see-also">See also</h1>
<p><a href="shcindextocilm.html">shcindextocilm</a>, <a href="shcilmtovector.html">shcilmtovector</a>, <a href="shvectortocilm.html">shvectortocilm</a></p>
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