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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_dgemm.c</title></head><body bgcolor='white'><pre>
<font color='#009900'>/*
*
* cblas_dgemm.c
* This program is a C interface to dgemm.
* 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_dgemm'></a>cblas_dgemm</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_TRANSPOSE TransA,
<font color='#0000FF'>const</font> <font color='#0000FF'>enum</font> CBLAS_TRANSPOSE TransB, <font color='#0000FF'>const</font> CBLAS_INT_TYPE M, <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>double</u></font> alpha, <font color='#0000FF'>const</font> <font color='#0000FF'><u>double</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>double</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>double</u></font> beta, <font color='#0000FF'><u>double</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> TA, TB;
<font color='#0000FF'>#ifdef</font> F77_CHAR
F77_CHAR F77_TA, F77_TB;
<font color='#0000FF'>#else</font>
<font color='#0000FF'>#define</font> F77_TA <font color='#5555FF'>&amp;</font>TA
<font color='#0000FF'>#define</font> F77_TB <font color='#5555FF'>&amp;</font>TB
<font color='#0000FF'>#endif</font>
<font color='#0000FF'>#ifdef</font> F77_INT
F77_INT F77_M<font color='#5555FF'>=</font>M, 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_M M
<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'>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>TransA <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasTrans<font face='Lucida Console'>)</font> TA<font color='#5555FF'>=</font>'<font color='#FF0000'>T</font>';
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font> TransA <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasConjTrans <font face='Lucida Console'>)</font> TA<font color='#5555FF'>=</font>'<font color='#FF0000'>C</font>';
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font> TransA <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasNoTrans <font face='Lucida Console'>)</font> TA<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'>2</font>, "<font color='#CC0000'>cblas_dgemm</font>","<font color='#CC0000'>Illegal TransA setting, %d\n</font>", TransA<font face='Lucida Console'>)</font>;
<font color='#0000FF'>return</font>;
<b>}</b>
<font color='#0000FF'>if</font><font face='Lucida Console'>(</font>TransB <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasTrans<font face='Lucida Console'>)</font> TB<font color='#5555FF'>=</font>'<font color='#FF0000'>T</font>';
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font> TransB <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasConjTrans <font face='Lucida Console'>)</font> TB<font color='#5555FF'>=</font>'<font color='#FF0000'>C</font>';
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font> TransB <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasNoTrans <font face='Lucida Console'>)</font> TB<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_dgemm</font>","<font color='#CC0000'>Illegal TransB setting, %d\n</font>", TransB<font face='Lucida Console'>)</font>;
<font color='#0000FF'>return</font>;
<b>}</b>
<font color='#0000FF'>#ifdef</font> F77_CHAR
F77_TA <font color='#5555FF'>=</font> <font color='#BB00BB'>C2F_CHAR</font><font face='Lucida Console'>(</font><font color='#5555FF'>&amp;</font>TA<font face='Lucida Console'>)</font>;
F77_TB <font color='#5555FF'>=</font> <font color='#BB00BB'>C2F_CHAR</font><font face='Lucida Console'>(</font><font color='#5555FF'>&amp;</font>TB<font face='Lucida Console'>)</font>;
<font color='#0000FF'>#endif</font>
<font color='#BB00BB'>F77_dgemm</font><font face='Lucida Console'>(</font>F77_TA, F77_TB, <font color='#5555FF'>&amp;</font>F77_M, <font color='#5555FF'>&amp;</font>F77_N, <font color='#5555FF'>&amp;</font>F77_K, <font color='#5555FF'>&amp;</font>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>TransA <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasTrans<font face='Lucida Console'>)</font> TB<font color='#5555FF'>=</font>'<font color='#FF0000'>T</font>';
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font> TransA <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasConjTrans <font face='Lucida Console'>)</font> TB<font color='#5555FF'>=</font>'<font color='#FF0000'>C</font>';
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font> TransA <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasNoTrans <font face='Lucida Console'>)</font> TB<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'>2</font>, "<font color='#CC0000'>cblas_dgemm</font>","<font color='#CC0000'>Illegal TransA setting, %d\n</font>", TransA<font face='Lucida Console'>)</font>;
<font color='#0000FF'>return</font>;
<b>}</b>
<font color='#0000FF'>if</font><font face='Lucida Console'>(</font>TransB <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasTrans<font face='Lucida Console'>)</font> TA<font color='#5555FF'>=</font>'<font color='#FF0000'>T</font>';
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font> TransB <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasConjTrans <font face='Lucida Console'>)</font> TA<font color='#5555FF'>=</font>'<font color='#FF0000'>C</font>';
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font> TransB <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasNoTrans <font face='Lucida Console'>)</font> TA<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'>2</font>, "<font color='#CC0000'>cblas_dgemm</font>","<font color='#CC0000'>Illegal TransB setting, %d\n</font>", TransB<font face='Lucida Console'>)</font>;
<font color='#0000FF'>return</font>;
<b>}</b>
<font color='#0000FF'>#ifdef</font> F77_CHAR
F77_TA <font color='#5555FF'>=</font> <font color='#BB00BB'>C2F_CHAR</font><font face='Lucida Console'>(</font><font color='#5555FF'>&amp;</font>TA<font face='Lucida Console'>)</font>;
F77_TB <font color='#5555FF'>=</font> <font color='#BB00BB'>C2F_CHAR</font><font face='Lucida Console'>(</font><font color='#5555FF'>&amp;</font>TB<font face='Lucida Console'>)</font>;
<font color='#0000FF'>#endif</font>
<font color='#BB00BB'>F77_dgemm</font><font face='Lucida Console'>(</font>F77_TA, F77_TB, <font color='#5555FF'>&amp;</font>F77_N, <font color='#5555FF'>&amp;</font>F77_M, <font color='#5555FF'>&amp;</font>F77_K, <font color='#5555FF'>&amp;</font>alpha, B,
<font color='#5555FF'>&amp;</font>F77_ldb, A, <font color='#5555FF'>&amp;</font>F77_lda, <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_dgemm</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>