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/*
BLIS
An object-based framework for developing high-performance BLAS-like
libraries.
Copyright (C) 2014, The University of Texas at Austin
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name(s) of the copyright holder(s) nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "blis.h"
#undef GENTFUNC
#define GENTFUNC( ctype, ch, varname ) \
\
void PASTEMAC(ch,varname) \
( \
uplo_t uploa, \
trans_t transa, \
diag_t diaga, \
dim_t m, \
ctype* alpha, \
ctype* a, inc_t rs_a, inc_t cs_a, \
ctype* x, inc_t incx, \
cntx_t* cntx \
) \
{ \
const num_t dt = PASTEMAC(ch,type); \
\
ctype* a10t; \
ctype* alpha11; \
ctype* a12t; \
ctype* x0; \
ctype* chi1; \
ctype* x2; \
ctype alpha_alpha11_conj; \
ctype rho; \
dim_t iter, i; \
dim_t n_ahead; \
inc_t rs_at, cs_at; \
uplo_t uploa_trans; \
conj_t conja; \
\
if ( bli_does_notrans( transa ) ) \
{ \
rs_at = rs_a; \
cs_at = cs_a; \
uploa_trans = uploa; \
} \
else /* if ( bli_does_trans( transa ) ) */ \
{ \
rs_at = cs_a; \
cs_at = rs_a; \
uploa_trans = bli_uplo_toggled( uploa ); \
} \
\
conja = bli_extract_conj( transa ); \
\
PASTECH(ch,dotv_ker_ft) kfp_dv; \
\
/* Query the context for the kernel function pointer. */ \
kfp_dv = bli_cntx_get_l1v_ker_dt( dt, BLIS_DOTV_KER, cntx ); \
\
/* We reduce all of the possible cases down to just lower/upper. */ \
if ( bli_is_upper( uploa_trans ) ) \
{ \
for ( iter = 0; iter < m; ++iter ) \
{ \
i = iter; \
n_ahead = m - iter - 1; \
alpha11 = a + (i )*rs_at + (i )*cs_at; \
a12t = a + (i )*rs_at + (i+1)*cs_at; \
chi1 = x + (i )*incx; \
x2 = x + (i+1)*incx; \
\
/* chi1 = alpha * alpha11 * chi1; */ \
PASTEMAC(ch,copys)( *alpha, alpha_alpha11_conj ); \
if ( bli_is_nonunit_diag( diaga ) ) \
PASTEMAC(ch,scalcjs)( conja, *alpha11, alpha_alpha11_conj ); \
PASTEMAC(ch,scals)( alpha_alpha11_conj, *chi1 ); \
\
/* chi1 = chi1 + alpha * a12t * x2; */ \
kfp_dv \
( \
conja, \
BLIS_NO_CONJUGATE, \
n_ahead, \
a12t, cs_at, \
x2, incx, \
&rho, \
cntx \
); \
PASTEMAC(ch,axpys)( *alpha, rho, *chi1 ); \
} \
} \
else /* if ( bli_is_lower( uploa_trans ) ) */ \
{ \
for ( iter = 0; iter < m; ++iter ) \
{ \
i = m - iter - 1; \
n_ahead = i; \
alpha11 = a + (i )*rs_at + (i )*cs_at; \
a10t = a + (i )*rs_at + (0 )*cs_at; \
chi1 = x + (i )*incx; \
x0 = x + (0 )*incx; \
\
/* chi1 = alpha * alpha11 * chi1; */ \
PASTEMAC(ch,copys)( *alpha, alpha_alpha11_conj ); \
if ( bli_is_nonunit_diag( diaga ) ) \
PASTEMAC(ch,scalcjs)( conja, *alpha11, alpha_alpha11_conj ); \
PASTEMAC(ch,scals)( alpha_alpha11_conj, *chi1 ); \
\
/* chi1 = chi1 + alpha * a10t * x0; */ \
kfp_dv \
( \
conja, \
BLIS_NO_CONJUGATE, \
n_ahead, \
a10t, cs_at, \
x0, incx, \
&rho, \
cntx \
); \
PASTEMAC(ch,axpys)( *alpha, rho, *chi1 ); \
} \
} \
}
INSERT_GENTFUNC_BASIC0( trmv_unb_var1 )
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