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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_ctbsv.c</title></head><body bgcolor='white'><pre>
<font color='#009900'>/*
* cblas_ctbsv.c
* The program is a C interface to ctbsv.
*
* Keita Teranishi 3/23/98
*
*/</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_ctbsv'></a>cblas_ctbsv</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 TransA, <font color='#0000FF'>const</font> <font color='#0000FF'>enum</font> CBLAS_DIAG Diag,
<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>A, <font color='#0000FF'>const</font> CBLAS_INT_TYPE lda,
<font color='#0000FF'><u>void</u></font> <font color='#5555FF'>*</font>X, <font color='#0000FF'>const</font> CBLAS_INT_TYPE incX<font face='Lucida Console'>)</font>
<b>{</b>
<font color='#0000FF'><u>char</u></font> TA;
<font color='#0000FF'><u>char</u></font> UL;
<font color='#0000FF'><u>char</u></font> DI;
<font color='#0000FF'>#ifdef</font> F77_CHAR
F77_CHAR F77_TA, F77_UL, F77_DI;
<font color='#0000FF'>#else</font>
<font color='#0000FF'>#define</font> F77_TA <font color='#5555FF'>&amp;</font>TA
<font color='#0000FF'>#define</font> F77_UL <font color='#5555FF'>&amp;</font>UL
<font color='#0000FF'>#define</font> F77_DI <font color='#5555FF'>&amp;</font>DI
<font color='#0000FF'>#endif</font>
<font color='#0000FF'>#ifdef</font> F77_INT
F77_INT F77_N<font color='#5555FF'>=</font>N, F77_lda<font color='#5555FF'>=</font>lda, F77_K<font color='#5555FF'>=</font>K, F77_incX<font color='#5555FF'>=</font>incX;
<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_incX incX
<font color='#0000FF'>#endif</font>
CBLAS_INT_TYPE n, i<font color='#5555FF'>=</font><font color='#979000'>0</font>, tincX;
<font color='#0000FF'><u>float</u></font> <font color='#5555FF'>*</font>st<font color='#5555FF'>=</font><font color='#979000'>0</font>,<font color='#5555FF'>*</font>x<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>X;
<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_ctbsv</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>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> <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>
<b>{</b>
<font color='#BB00BB'>cblas_xerbla</font><font face='Lucida Console'>(</font><font color='#979000'>3</font>, "<font color='#CC0000'>cblas_ctbsv</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>Diag <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasUnit<font face='Lucida Console'>)</font> DI <font color='#5555FF'>=</font> '<font color='#FF0000'>U</font>';
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>Diag <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasNonUnit<font face='Lucida Console'>)</font> DI <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'>4</font>, "<font color='#CC0000'>cblas_ctbsv</font>","<font color='#CC0000'>Illegal Diag setting, %d\n</font>", Diag<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_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_DI <font color='#5555FF'>=</font> <font color='#BB00BB'>C2F_CHAR</font><font face='Lucida Console'>(</font><font color='#5555FF'>&amp;</font>DI<font face='Lucida Console'>)</font>;
<font color='#0000FF'>#endif</font>
<font color='#BB00BB'>F77_ctbsv</font><font face='Lucida Console'>(</font> F77_UL, F77_TA, F77_DI, <font color='#5555FF'>&amp;</font>F77_N, <font color='#5555FF'>&amp;</font>F77_K, A, <font color='#5555FF'>&amp;</font>F77_lda, X,
<font color='#5555FF'>&amp;</font>F77_incX<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_ctbsv</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>TransA <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasNoTrans<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> CblasTrans<font face='Lucida Console'>)</font> TA <font color='#5555FF'>=</font> '<font color='#FF0000'>N</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>
<b>{</b>
TA <font color='#5555FF'>=</font> '<font color='#FF0000'>N</font>';
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font> N <font color='#5555FF'>&gt;</font> <font color='#979000'>0</font><font face='Lucida Console'>)</font>
<b>{</b>
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font> incX <font color='#5555FF'>&gt;</font> <font color='#979000'>0</font> <font face='Lucida Console'>)</font>
tincX <font color='#5555FF'>=</font> incX;
<font color='#0000FF'>else</font>
tincX <font color='#5555FF'>=</font> <font color='#5555FF'>-</font>incX;
n <font color='#5555FF'>=</font> N<font color='#5555FF'>*</font><font color='#979000'>2</font><font color='#5555FF'>*</font><font face='Lucida Console'>(</font>tincX<font face='Lucida Console'>)</font>;
x<font color='#5555FF'>+</font><font color='#5555FF'>+</font>;
st<font color='#5555FF'>=</font>x<font color='#5555FF'>+</font>n;
i <font color='#5555FF'>=</font> tincX <font color='#5555FF'>&lt;</font><font color='#5555FF'>&lt;</font> <font color='#979000'>1</font>;
<font color='#0000FF'>do</font>
<b>{</b>
<font color='#5555FF'>*</font>x <font color='#5555FF'>=</font> <font color='#5555FF'>-</font><font face='Lucida Console'>(</font><font color='#5555FF'>*</font>x<font face='Lucida Console'>)</font>;
x<font color='#5555FF'>+</font><font color='#5555FF'>=</font>i;
<b>}</b>
<font color='#0000FF'>while</font> <font face='Lucida Console'>(</font>x <font color='#5555FF'>!</font><font color='#5555FF'>=</font> st<font face='Lucida Console'>)</font>;
x <font color='#5555FF'>-</font><font color='#5555FF'>=</font> n;
<b>}</b>
<b>}</b>
<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_ctbsv</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>Diag <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasUnit<font face='Lucida Console'>)</font> DI <font color='#5555FF'>=</font> '<font color='#FF0000'>U</font>';
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>Diag <font color='#5555FF'>=</font><font color='#5555FF'>=</font> CblasNonUnit<font face='Lucida Console'>)</font> DI <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'>4</font>, "<font color='#CC0000'>cblas_ctbsv</font>","<font color='#CC0000'>Illegal Diag setting, %d\n</font>", Diag<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_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_DI <font color='#5555FF'>=</font> <font color='#BB00BB'>C2F_CHAR</font><font face='Lucida Console'>(</font><font color='#5555FF'>&amp;</font>DI<font face='Lucida Console'>)</font>;
<font color='#0000FF'>#endif</font>
<font color='#BB00BB'>F77_ctbsv</font><font face='Lucida Console'>(</font> F77_UL, F77_TA, F77_DI, <font color='#5555FF'>&amp;</font>F77_N, <font color='#5555FF'>&amp;</font>F77_K, A, <font color='#5555FF'>&amp;</font>F77_lda, X,
<font color='#5555FF'>&amp;</font>F77_incX<font face='Lucida Console'>)</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>
<b>{</b>
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>N <font color='#5555FF'>&gt;</font> <font color='#979000'>0</font><font face='Lucida Console'>)</font>
<b>{</b>
<font color='#0000FF'>do</font>
<b>{</b>
<font color='#5555FF'>*</font>x <font color='#5555FF'>=</font> <font color='#5555FF'>-</font><font face='Lucida Console'>(</font><font color='#5555FF'>*</font>x<font face='Lucida Console'>)</font>;
x<font color='#5555FF'>+</font><font color='#5555FF'>=</font> i;
<b>}</b>
<font color='#0000FF'>while</font> <font face='Lucida Console'>(</font>x <font color='#5555FF'>!</font><font color='#5555FF'>=</font> st<font face='Lucida Console'>)</font>;
<b>}</b>
<b>}</b>
<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_ctbsv</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>