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<html><!-- Created using the cpp_pretty_printer from the dlib C++ library.  See http://dlib.net for updates. --><head><title>dlib C++ Library - cblas_cher2k.c</title></head><body bgcolor='white'><pre>
<font color='#009900'>/*
 *
 * cblas_cher2k.c
 * This program is a C interface to cher2k.
 * Written by Keita Teranishi
 * 4/8/1998
 *
 */</font>

<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='cblas.h.html'>cblas.h</a>"
<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='cblas_f77.h.html'>cblas_f77.h</a>"
<font color='#0000FF'><u>void</u></font> <b><a name='cblas_cher2k'></a>cblas_cher2k</b><font face='Lucida Console'>(</font><font color='#0000FF'>const</font> <font color='#0000FF'>enum</font> CBLAS_ORDER Order, <font color='#0000FF'>const</font> <font color='#0000FF'>enum</font> CBLAS_UPLO Uplo,
                  <font color='#0000FF'>const</font> <font color='#0000FF'>enum</font> CBLAS_TRANSPOSE Trans, <font color='#0000FF'>const</font> CBLAS_INT_TYPE N, <font color='#0000FF'>const</font> CBLAS_INT_TYPE K,
                  <font color='#0000FF'>const</font> <font color='#0000FF'><u>void</u></font> <font color='#5555FF'>*</font>alpha, <font color='#0000FF'>const</font> <font color='#0000FF'><u>void</u></font> <font color='#5555FF'>*</font>A, <font color='#0000FF'>const</font> CBLAS_INT_TYPE lda,
                  <font color='#0000FF'>const</font> <font color='#0000FF'><u>void</u></font> <font color='#5555FF'>*</font>B, <font color='#0000FF'>const</font> CBLAS_INT_TYPE ldb, <font color='#0000FF'>const</font> <font color='#0000FF'><u>float</u></font> beta,
                  <font color='#0000FF'><u>void</u></font> <font color='#5555FF'>*</font>C, <font color='#0000FF'>const</font> CBLAS_INT_TYPE ldc<font face='Lucida Console'>)</font>
<b>{</b>
   <font color='#0000FF'><u>char</u></font> UL, TR;   
<font color='#0000FF'>#ifdef</font> F77_CHAR
   F77_CHAR F77_TR, F77_UL;
<font color='#0000FF'>#else</font>
   <font color='#0000FF'>#define</font> F77_TR <font color='#5555FF'>&amp;</font>TR  
   <font color='#0000FF'>#define</font> F77_UL <font color='#5555FF'>&amp;</font>UL  
<font color='#0000FF'>#endif</font>

<font color='#0000FF'>#ifdef</font> F77_INT
   F77_INT F77_N<font color='#5555FF'>=</font>N, F77_K<font color='#5555FF'>=</font>K, F77_lda<font color='#5555FF'>=</font>lda, F77_ldb<font color='#5555FF'>=</font>ldb;
   F77_INT F77_ldc<font color='#5555FF'>=</font>ldc;
<font color='#0000FF'>#else</font>
   <font color='#0000FF'>#define</font> F77_N N
   <font color='#0000FF'>#define</font> F77_K K
   <font color='#0000FF'>#define</font> F77_lda lda
   <font color='#0000FF'>#define</font> F77_ldb ldb
   <font color='#0000FF'>#define</font> F77_ldc ldc
<font color='#0000FF'>#endif</font>

   <font color='#0000FF'><u>float</u></font> ALPHA[<font color='#979000'>2</font>]; 
   <font color='#0000FF'>const</font> <font color='#0000FF'><u>float</u></font> <font color='#5555FF'>*</font>alp<font color='#5555FF'>=</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>float</u></font> <font color='#5555FF'>*</font><font face='Lucida Console'>)</font>alpha;


   <font color='#0000FF'>if</font><font face='Lucida Console'>(</font> Order <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasColMajor <font face='Lucida Console'>)</font>
   <b>{</b>

      <font color='#0000FF'>if</font><font face='Lucida Console'>(</font> Uplo <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasUpper<font face='Lucida Console'>)</font> UL<font color='#5555FF'>=</font>'<font color='#FF0000'>U</font>';
      <font color='#0000FF'>else</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font> Uplo <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasLower <font face='Lucida Console'>)</font> UL<font color='#5555FF'>=</font>'<font color='#FF0000'>L</font>';
      <font color='#0000FF'>else</font> 
      <b>{</b>
         <font color='#BB00BB'>cblas_xerbla</font><font face='Lucida Console'>(</font><font color='#979000'>2</font>, "<font color='#CC0000'>cblas_cher2k</font>", "<font color='#CC0000'>Illegal Uplo setting, %d\n</font>", Uplo<font face='Lucida Console'>)</font>;
         <font color='#0000FF'>return</font>;
      <b>}</b>

      <font color='#0000FF'>if</font><font face='Lucida Console'>(</font> Trans <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasTrans<font face='Lucida Console'>)</font> TR <font color='#5555FF'>=</font>'<font color='#FF0000'>T</font>';
      <font color='#0000FF'>else</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font> Trans <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasConjTrans <font face='Lucida Console'>)</font> TR<font color='#5555FF'>=</font>'<font color='#FF0000'>C</font>';
      <font color='#0000FF'>else</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font> Trans <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasNoTrans <font face='Lucida Console'>)</font>   TR<font color='#5555FF'>=</font>'<font color='#FF0000'>N</font>';
      <font color='#0000FF'>else</font> 
      <b>{</b>
         <font color='#BB00BB'>cblas_xerbla</font><font face='Lucida Console'>(</font><font color='#979000'>3</font>, "<font color='#CC0000'>cblas_cher2k</font>", "<font color='#CC0000'>Illegal Trans setting, %d\n</font>", Trans<font face='Lucida Console'>)</font>;
         <font color='#0000FF'>return</font>;
      <b>}</b>

      <font color='#0000FF'>#ifdef</font> F77_CHAR
         F77_UL <font color='#5555FF'>=</font> <font color='#BB00BB'>C2F_CHAR</font><font face='Lucida Console'>(</font><font color='#5555FF'>&amp;</font>UL<font face='Lucida Console'>)</font>;
         F77_TR <font color='#5555FF'>=</font> <font color='#BB00BB'>C2F_CHAR</font><font face='Lucida Console'>(</font><font color='#5555FF'>&amp;</font>TR<font face='Lucida Console'>)</font>;
      <font color='#0000FF'>#endif</font>

      <font color='#BB00BB'>F77_cher2k</font><font face='Lucida Console'>(</font>F77_UL, F77_TR, <font color='#5555FF'>&amp;</font>F77_N, <font color='#5555FF'>&amp;</font>F77_K, alpha, A, <font color='#5555FF'>&amp;</font>F77_lda, B, <font color='#5555FF'>&amp;</font>F77_ldb, <font color='#5555FF'>&amp;</font>beta, C, <font color='#5555FF'>&amp;</font>F77_ldc<font face='Lucida Console'>)</font>;
   <b>}</b> <font color='#0000FF'>else</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>Order <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasRowMajor<font face='Lucida Console'>)</font>
   <b>{</b>
      
      <font color='#0000FF'>if</font><font face='Lucida Console'>(</font> Uplo <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasUpper<font face='Lucida Console'>)</font> UL<font color='#5555FF'>=</font>'<font color='#FF0000'>L</font>';
      <font color='#0000FF'>else</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font> Uplo <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasLower <font face='Lucida Console'>)</font> UL<font color='#5555FF'>=</font>'<font color='#FF0000'>U</font>';
      <font color='#0000FF'>else</font> 
      <b>{</b>
         <font color='#BB00BB'>cblas_xerbla</font><font face='Lucida Console'>(</font><font color='#979000'>2</font>, "<font color='#CC0000'>cblas_cher2k</font>", "<font color='#CC0000'>Illegal Uplo setting, %d\n</font>", Uplo<font face='Lucida Console'>)</font>;
         <font color='#0000FF'>return</font>;
      <b>}</b>
      <font color='#0000FF'>if</font><font face='Lucida Console'>(</font> Trans <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasTrans<font face='Lucida Console'>)</font> TR <font color='#5555FF'>=</font>'<font color='#FF0000'>N</font>';
      <font color='#0000FF'>else</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font> Trans <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasConjTrans <font face='Lucida Console'>)</font> TR<font color='#5555FF'>=</font>'<font color='#FF0000'>N</font>';
      <font color='#0000FF'>else</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font> Trans <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasNoTrans <font face='Lucida Console'>)</font>   TR<font color='#5555FF'>=</font>'<font color='#FF0000'>C</font>';
      <font color='#0000FF'>else</font> 
      <b>{</b>
         <font color='#BB00BB'>cblas_xerbla</font><font face='Lucida Console'>(</font><font color='#979000'>3</font>, "<font color='#CC0000'>cblas_cher2k</font>", "<font color='#CC0000'>Illegal Trans setting, %d\n</font>", Trans<font face='Lucida Console'>)</font>;
         <font color='#0000FF'>return</font>;
      <b>}</b>
      <font color='#0000FF'>#ifdef</font> F77_CHAR
         F77_UL <font color='#5555FF'>=</font> <font color='#BB00BB'>C2F_CHAR</font><font face='Lucida Console'>(</font><font color='#5555FF'>&amp;</font>UL<font face='Lucida Console'>)</font>;
         F77_TR <font color='#5555FF'>=</font> <font color='#BB00BB'>C2F_CHAR</font><font face='Lucida Console'>(</font><font color='#5555FF'>&amp;</font>TR<font face='Lucida Console'>)</font>;
      <font color='#0000FF'>#endif</font>

      ALPHA[<font color='#979000'>0</font>]<font color='#5555FF'>=</font> <font color='#5555FF'>*</font>alp;
      ALPHA[<font color='#979000'>1</font>]<font color='#5555FF'>=</font> <font color='#5555FF'>-</font>alp[<font color='#979000'>1</font>];
      <font color='#BB00BB'>F77_cher2k</font><font face='Lucida Console'>(</font>F77_UL,F77_TR, <font color='#5555FF'>&amp;</font>F77_N, <font color='#5555FF'>&amp;</font>F77_K, ALPHA, A, <font color='#5555FF'>&amp;</font>F77_lda, B, <font color='#5555FF'>&amp;</font>F77_ldb, <font color='#5555FF'>&amp;</font>beta, C, <font color='#5555FF'>&amp;</font>F77_ldc<font face='Lucida Console'>)</font>;
   <b>}</b> 
   <font color='#0000FF'>else</font>  <font color='#BB00BB'>cblas_xerbla</font><font face='Lucida Console'>(</font><font color='#979000'>1</font>, "<font color='#CC0000'>cblas_cher2k</font>", "<font color='#CC0000'>Illegal Order setting, %d\n</font>", Order<font face='Lucida Console'>)</font>;
   <font color='#0000FF'>return</font>;
<b>}</b>

</pre></body></html>