|
libflame
revision_anchor
|
Functions | |
| FLA_Error | FLA_Tridiag_UT_l_ofu_var2 (FLA_Obj A, FLA_Obj T) |
| FLA_Error | FLA_Tridiag_UT_l_step_ofu_var2 (FLA_Obj A, FLA_Obj T) |
| FLA_Error | FLA_Tridiag_UT_l_step_ofs_var2 (int m_A, int m_T, float *buff_A, int rs_A, int cs_A, float *buff_T, int rs_T, int cs_T) |
| FLA_Error | FLA_Tridiag_UT_l_step_ofd_var2 (int m_A, int m_T, double *buff_A, int rs_A, int cs_A, double *buff_T, int rs_T, int cs_T) |
| FLA_Error | FLA_Tridiag_UT_l_step_ofc_var2 (int m_A, int m_T, scomplex *buff_A, int rs_A, int cs_A, scomplex *buff_T, int rs_T, int cs_T) |
| FLA_Error | FLA_Tridiag_UT_l_step_ofz_var2 (int m_A, int m_T, dcomplex *buff_A, int rs_A, int cs_A, dcomplex *buff_T, int rs_T, int cs_T) |
| FLA_Error FLA_Tridiag_UT_l_ofu_var2 | ( | FLA_Obj | A, |
| FLA_Obj | T | ||
| ) |
References FLA_Tridiag_UT_l_step_ofu_var2().
{
return FLA_Tridiag_UT_l_step_ofu_var2( A, T );
}
| FLA_Error FLA_Tridiag_UT_l_step_ofc_var2 | ( | int | m_A, |
| int | m_T, | ||
| scomplex * | buff_A, | ||
| int | rs_A, | ||
| int | cs_A, | ||
| scomplex * | buff_T, | ||
| int | rs_T, | ||
| int | cs_T | ||
| ) |
References bl1_caxpyv(), bl1_ccopyv(), bl1_cdot(), bl1_cgemv(), bl1_chemv(), bl1_cher2(), bl1_cscalv(), BLIS1_CONJ_TRANSPOSE, BLIS1_CONJUGATE, BLIS1_LOWER_TRIANGULAR, BLIS1_NO_CONJUGATE, BLIS1_NO_TRANSPOSE, FLA_free(), FLA_Fused_Her2_Ax_l_opc_var1(), FLA_Househ2_UT_l_opc(), FLA_malloc(), FLA_MINUS_ONE, FLA_ONE, FLA_TWO, and FLA_ZERO.
Referenced by FLA_Tridiag_UT_l_step_ofu_var2().
{
scomplex* buff_2 = FLA_COMPLEX_PTR( FLA_TWO );
scomplex* buff_1 = FLA_COMPLEX_PTR( FLA_ONE );
scomplex* buff_0 = FLA_COMPLEX_PTR( FLA_ZERO );
scomplex* buff_m1 = FLA_COMPLEX_PTR( FLA_MINUS_ONE );
scomplex first_elem;
scomplex beta;
scomplex inv_tau11;
scomplex minus_inv_tau11;
scomplex minus_upsilon11, minus_conj_upsilon11;
scomplex minus_zeta11, minus_conj_zeta11;
int i;
// b_alg = FLA_Obj_length( T );
int b_alg = m_T;
// FLA_Obj_create( datatype_A, m_A, 1, 0, 0, &u );
// FLA_Obj_create( datatype_A, m_A, 1, 0, 0, &z );
// FLA_Obj_create( datatype_A, m_A, 1, 0, 0, &w );
scomplex* buff_u = ( scomplex* ) FLA_malloc( m_A * sizeof( *buff_A ) );
scomplex* buff_z = ( scomplex* ) FLA_malloc( m_A * sizeof( *buff_A ) );
scomplex* buff_w = ( scomplex* ) FLA_malloc( m_A * sizeof( *buff_A ) );
int inc_u = 1;
int inc_z = 1;
int inc_w = 1;
// Initialize some variables (only to prevent compiler warnings).
first_elem = *buff_0;
minus_inv_tau11 = *buff_0;
for ( i = 0; i < b_alg; ++i )
{
scomplex* A20 = buff_A + (0 )*cs_A + (i+1)*rs_A;
scomplex* alpha11 = buff_A + (i )*cs_A + (i )*rs_A;
scomplex* a21 = buff_A + (i )*cs_A + (i+1)*rs_A;
scomplex* A22 = buff_A + (i+1)*cs_A + (i+1)*rs_A;
scomplex* t01 = buff_T + (i )*cs_T + (0 )*rs_T;
scomplex* tau11 = buff_T + (i )*cs_T + (i )*rs_T;
scomplex* upsilon11= buff_u + (i )*inc_u;
scomplex* u21 = buff_u + (i+1)*inc_u;
scomplex* zeta11 = buff_z + (i )*inc_z;
scomplex* z21 = buff_z + (i+1)*inc_z;
scomplex* w21 = buff_w + (i+1)*inc_w;
scomplex* a21_t = a21 + (0 )*cs_A + (0 )*rs_A;
scomplex* a21_b = a21 + (0 )*cs_A + (1 )*rs_A;
int m_ahead = m_A - i - 1;
int m_behind = i;
int n_behind = i;
/*------------------------------------------------------------*/
if ( m_behind > 0 )
{
// FLA_Copy( upsilon11, minus_upsilon11 );
// FLA_Scal( FLA_MINUS_ONE, minus_upsilon11 );
// FLA_Copy( minus_upsilon11, minus_conj_upsilon11 );
bl1_cmult3( buff_m1, upsilon11, &minus_upsilon11 );
bl1_ccopyconj( &minus_upsilon11, &minus_conj_upsilon11 );
// FLA_Copy( zeta11, minus_zeta11 );
// FLA_Scal( FLA_MINUS_ONE, minus_zeta11 );
// FLA_Copy( minus_zeta11, minus_conj_zeta11 );
bl1_cmult3( buff_m1, zeta11, &minus_zeta11 );
bl1_ccopyconj( &minus_zeta11, &minus_conj_zeta11 );
// FLA_Axpyt( FLA_CONJ_NO_TRANSPOSE, minus_upsilon11, zeta11, alpha11 );
// FLA_Axpyt( FLA_CONJ_NO_TRANSPOSE, minus_zeta11, upsilon11, alpha11 );
bl1_caxpyv( BLIS1_CONJUGATE,
1,
&minus_upsilon11,
zeta11, 1,
alpha11, 1 );
bl1_caxpyv( BLIS1_CONJUGATE,
1,
&minus_zeta11,
upsilon11, 1,
alpha11, 1 );
// FLA_Axpyt( FLA_NO_TRANSPOSE, minus_conj_zeta11, u21, a21 );
// FLA_Axpyt( FLA_NO_TRANSPOSE, minus_conj_upsilon11, z21, a21 );
bl1_caxpyv( BLIS1_NO_CONJUGATE,
m_ahead,
&minus_conj_zeta11,
u21, inc_u,
a21, rs_A );
bl1_caxpyv( BLIS1_NO_CONJUGATE,
m_ahead,
&minus_conj_upsilon11,
z21, inc_z,
a21, rs_A );
}
if ( m_ahead > 0 )
{
// FLA_Househ2_UT( FLA_LEFT,
// a21_t,
// a21_b, tau11 );
FLA_Househ2_UT_l_opc( m_ahead - 1,
a21_t,
a21_b, rs_A,
tau11 );
// FLA_Set( FLA_ONE, inv_tau11 );
// FLA_Inv_scalc( FLA_NO_CONJUGATE, tau11, inv_tau11 );
// FLA_Copy( inv_tau11, minus_inv_tau11 );
// FLA_Scal( FLA_MINUS_ONE, minus_inv_tau11 );
bl1_cdiv3( buff_1, tau11, &inv_tau11 );
bl1_cneg2( &inv_tau11, &minus_inv_tau11 );
// FLA_Copy( a21_t, first_elem );
// FLA_Set( FLA_ONE, a21_t );
first_elem = *a21_t;
*a21_t = *buff_1;
}
if ( m_behind > 0 && m_ahead > 0 )
{
// FLA_Her2( FLA_LOWER_TRIANGULAR, FLA_MINUS_ONE, u21, z21, A22 );
// FLA_Hemv( FLA_LOWER_TRIANGULAR, FLA_ONE, A22, a21, FLA_ZERO, w21 );
FLA_Fused_Her2_Ax_l_opc_var1( m_ahead,
buff_m1,
u21, inc_u,
z21, inc_z,
A22, rs_A, cs_A,
a21, rs_A,
w21, inc_w );
}
else if ( m_ahead > 0 )
{
// FLA_Hemv( FLA_LOWER_TRIANGULAR, FLA_ONE, A22, a21, FLA_ZERO, w21 );
bl1_chemv( BLIS1_LOWER_TRIANGULAR,
BLIS1_NO_CONJUGATE,
m_ahead,
buff_1,
A22, rs_A, cs_A,
a21, rs_A,
buff_0,
w21, inc_w );
}
if ( m_ahead > 0 )
{
// FLA_Copy( a21, u21 );
// FLA_Copy( w21, z21 );
bl1_ccopyv( BLIS1_NO_CONJUGATE,
m_ahead,
a21, rs_A,
u21, inc_u );
bl1_ccopyv( BLIS1_NO_CONJUGATE,
m_ahead,
w21, inc_w,
z21, inc_z );
// FLA_Dotc( FLA_CONJUGATE, a21, z21, beta );
// FLA_Inv_scal( FLA_TWO, beta );
bl1_cdot( BLIS1_CONJUGATE,
m_ahead,
a21, rs_A,
z21, inc_z,
&beta );
bl1_cinvscals( buff_2, &beta );
// FLA_Scal( minus_inv_tau11, beta );
// FLA_Axpy( beta, a21, z21 );
// FLA_Scal( inv_tau11, z21 );
bl1_cscals( &minus_inv_tau11, &beta );
bl1_caxpyv( BLIS1_NO_CONJUGATE,
m_ahead,
&beta,
a21, rs_A,
z21, inc_z );
bl1_cscalv( BLIS1_NO_CONJUGATE,
m_ahead,
&inv_tau11,
z21, inc_z );
// FLA_Gemv( FLA_CONJ_TRANSPOSE, FLA_ONE, A20, a21, FLA_ZERO, t01 );
bl1_cgemv( BLIS1_CONJ_TRANSPOSE,
BLIS1_NO_CONJUGATE,
m_ahead,
n_behind,
buff_1,
A20, rs_A, cs_A,
a21, rs_A,
buff_0,
t01, rs_T );
// FLA_Copy( first_elem, a21_t );
*a21_t = first_elem;
}
if ( m_behind + 1 == b_alg && m_ahead > 0 )
{
// FLA_Her2( FLA_LOWER_TRIANGULAR, FLA_MINUS_ONE, u21, z21, A22 );
bl1_cher2( BLIS1_LOWER_TRIANGULAR,
BLIS1_NO_TRANSPOSE,
m_ahead,
buff_m1,
u21, inc_u,
z21, inc_z,
A22, rs_A, cs_A );
}
/*------------------------------------------------------------*/
}
// FLA_Obj_free( &u );
// FLA_Obj_free( &z );
// FLA_Obj_free( &w );
FLA_free( buff_u );
FLA_free( buff_z );
FLA_free( buff_w );
return FLA_SUCCESS;
}
| FLA_Error FLA_Tridiag_UT_l_step_ofd_var2 | ( | int | m_A, |
| int | m_T, | ||
| double * | buff_A, | ||
| int | rs_A, | ||
| int | cs_A, | ||
| double * | buff_T, | ||
| int | rs_T, | ||
| int | cs_T | ||
| ) |
References bl1_daxpyv(), bl1_dcopyv(), bl1_ddot(), bl1_dgemv(), bl1_dscalv(), bl1_dsymv(), bl1_dsyr2(), BLIS1_CONJ_TRANSPOSE, BLIS1_CONJUGATE, BLIS1_LOWER_TRIANGULAR, BLIS1_NO_CONJUGATE, FLA_free(), FLA_Fused_Her2_Ax_l_opd_var1(), FLA_Househ2_UT_l_opd(), FLA_malloc(), FLA_MINUS_ONE, FLA_ONE, FLA_TWO, and FLA_ZERO.
Referenced by FLA_Tridiag_UT_l_step_ofu_var2().
{
double* buff_2 = FLA_DOUBLE_PTR( FLA_TWO );
double* buff_1 = FLA_DOUBLE_PTR( FLA_ONE );
double* buff_0 = FLA_DOUBLE_PTR( FLA_ZERO );
double* buff_m1 = FLA_DOUBLE_PTR( FLA_MINUS_ONE );
double first_elem;
double beta;
double inv_tau11;
double minus_inv_tau11;
double minus_upsilon11, minus_conj_upsilon11;
double minus_zeta11, minus_conj_zeta11;
int i;
// b_alg = FLA_Obj_length( T );
int b_alg = m_T;
// FLA_Obj_create( datatype_A, m_A, 1, 0, 0, &u );
// FLA_Obj_create( datatype_A, m_A, 1, 0, 0, &z );
// FLA_Obj_create( datatype_A, m_A, 1, 0, 0, &w );
double* buff_u = ( double* ) FLA_malloc( m_A * sizeof( *buff_A ) );
double* buff_z = ( double* ) FLA_malloc( m_A * sizeof( *buff_A ) );
double* buff_w = ( double* ) FLA_malloc( m_A * sizeof( *buff_A ) );
int inc_u = 1;
int inc_z = 1;
int inc_w = 1;
// Initialize some variables (only to prevent compiler warnings).
first_elem = *buff_0;
minus_inv_tau11 = *buff_0;
for ( i = 0; i < b_alg; ++i )
{
double* A20 = buff_A + (0 )*cs_A + (i+1)*rs_A;
double* alpha11 = buff_A + (i )*cs_A + (i )*rs_A;
double* a21 = buff_A + (i )*cs_A + (i+1)*rs_A;
double* A22 = buff_A + (i+1)*cs_A + (i+1)*rs_A;
double* t01 = buff_T + (i )*cs_T + (0 )*rs_T;
double* tau11 = buff_T + (i )*cs_T + (i )*rs_T;
double* upsilon11= buff_u + (i )*inc_u;
double* u21 = buff_u + (i+1)*inc_u;
double* zeta11 = buff_z + (i )*inc_z;
double* z21 = buff_z + (i+1)*inc_z;
double* w21 = buff_w + (i+1)*inc_w;
double* a21_t = a21 + (0 )*cs_A + (0 )*rs_A;
double* a21_b = a21 + (0 )*cs_A + (1 )*rs_A;
int m_ahead = m_A - i - 1;
int m_behind = i;
int n_behind = i;
/*------------------------------------------------------------*/
if ( m_behind > 0 )
{
// FLA_Copy( upsilon11, minus_upsilon11 );
// FLA_Scal( FLA_MINUS_ONE, minus_upsilon11 );
// FLA_Copy( minus_upsilon11, minus_conj_upsilon11 );
bl1_dmult3( buff_m1, upsilon11, &minus_upsilon11 );
bl1_dcopyconj( &minus_upsilon11, &minus_conj_upsilon11 );
// FLA_Copy( zeta11, minus_zeta11 );
// FLA_Scal( FLA_MINUS_ONE, minus_zeta11 );
// FLA_Copy( minus_zeta11, minus_conj_zeta11 );
bl1_dmult3( buff_m1, zeta11, &minus_zeta11 );
bl1_dcopyconj( &minus_zeta11, &minus_conj_zeta11 );
// FLA_Axpyt( FLA_CONJ_NO_TRANSPOSE, minus_upsilon11, zeta11, alpha11 );
// FLA_Axpyt( FLA_CONJ_NO_TRANSPOSE, minus_zeta11, upsilon11, alpha11 );
bl1_daxpyv( BLIS1_CONJUGATE,
1,
&minus_upsilon11,
zeta11, 1,
alpha11, 1 );
bl1_daxpyv( BLIS1_CONJUGATE,
1,
&minus_zeta11,
upsilon11, 1,
alpha11, 1 );
// FLA_Axpyt( FLA_NO_TRANSPOSE, minus_conj_zeta11, u21, a21 );
// FLA_Axpyt( FLA_NO_TRANSPOSE, minus_conj_upsilon11, z21, a21 );
bl1_daxpyv( BLIS1_NO_CONJUGATE,
m_ahead,
&minus_conj_zeta11,
u21, inc_u,
a21, rs_A );
bl1_daxpyv( BLIS1_NO_CONJUGATE,
m_ahead,
&minus_conj_upsilon11,
z21, inc_z,
a21, rs_A );
}
if ( m_ahead > 0 )
{
// FLA_Househ2_UT( FLA_LEFT,
// a21_t,
// a21_b, tau11 );
FLA_Househ2_UT_l_opd( m_ahead - 1,
a21_t,
a21_b, rs_A,
tau11 );
// FLA_Set( FLA_ONE, inv_tau11 );
// FLA_Inv_scalc( FLA_NO_CONJUGATE, tau11, inv_tau11 );
// FLA_Copy( inv_tau11, minus_inv_tau11 );
// FLA_Scal( FLA_MINUS_ONE, minus_inv_tau11 );
bl1_ddiv3( buff_1, tau11, &inv_tau11 );
bl1_dneg2( &inv_tau11, &minus_inv_tau11 );
// FLA_Copy( a21_t, first_elem );
// FLA_Set( FLA_ONE, a21_t );
first_elem = *a21_t;
*a21_t = *buff_1;
}
if ( m_behind > 0 && m_ahead > 0 )
{
// FLA_Her2( FLA_LOWER_TRIANGULAR, FLA_MINUS_ONE, u21, z21, A22 );
// FLA_Hemv( FLA_LOWER_TRIANGULAR, FLA_ONE, A22, a21, FLA_ZERO, w21 );
FLA_Fused_Her2_Ax_l_opd_var1( m_ahead,
buff_m1,
u21, inc_u,
z21, inc_z,
A22, rs_A, cs_A,
a21, rs_A,
w21, inc_w );
}
else if ( m_ahead > 0 )
{
// FLA_Hemv( FLA_LOWER_TRIANGULAR, FLA_ONE, A22, a21, FLA_ZERO, w21 );
bl1_dsymv( BLIS1_LOWER_TRIANGULAR,
m_ahead,
buff_1,
A22, rs_A, cs_A,
a21, rs_A,
buff_0,
w21, inc_w );
}
if ( m_ahead > 0 )
{
// FLA_Copy( a21, u21 );
// FLA_Copy( w21, z21 );
bl1_dcopyv( BLIS1_NO_CONJUGATE,
m_ahead,
a21, rs_A,
u21, inc_u );
bl1_dcopyv( BLIS1_NO_CONJUGATE,
m_ahead,
w21, inc_w,
z21, inc_z );
// FLA_Dotc( FLA_CONJUGATE, a21, z21, beta );
// FLA_Inv_scal( FLA_TWO, beta );
bl1_ddot( BLIS1_CONJUGATE,
m_ahead,
a21, rs_A,
z21, inc_z,
&beta );
bl1_dinvscals( buff_2, &beta );
// FLA_Scal( minus_inv_tau11, beta );
// FLA_Axpy( beta, a21, z21 );
// FLA_Scal( inv_tau11, z21 );
bl1_dscals( &minus_inv_tau11, &beta );
bl1_daxpyv( BLIS1_NO_CONJUGATE,
m_ahead,
&beta,
a21, rs_A,
z21, inc_z );
bl1_dscalv( BLIS1_NO_CONJUGATE,
m_ahead,
&inv_tau11,
z21, inc_z );
// FLA_Gemv( FLA_CONJ_TRANSPOSE, FLA_ONE, A20, a21, FLA_ZERO, t01 );
bl1_dgemv( BLIS1_CONJ_TRANSPOSE,
BLIS1_NO_CONJUGATE,
m_ahead,
n_behind,
buff_1,
A20, rs_A, cs_A,
a21, rs_A,
buff_0,
t01, rs_T );
// FLA_Copy( first_elem, a21_t );
*a21_t = first_elem;
}
if ( m_behind + 1 == b_alg && m_ahead > 0 )
{
// FLA_Her2( FLA_LOWER_TRIANGULAR, FLA_MINUS_ONE, u21, z21, A22 );
bl1_dsyr2( BLIS1_LOWER_TRIANGULAR,
m_ahead,
buff_m1,
u21, inc_u,
z21, inc_z,
A22, rs_A, cs_A );
}
/*------------------------------------------------------------*/
}
// FLA_Obj_free( &u );
// FLA_Obj_free( &z );
// FLA_Obj_free( &w );
FLA_free( buff_u );
FLA_free( buff_z );
FLA_free( buff_w );
return FLA_SUCCESS;
}
| FLA_Error FLA_Tridiag_UT_l_step_ofs_var2 | ( | int | m_A, |
| int | m_T, | ||
| float * | buff_A, | ||
| int | rs_A, | ||
| int | cs_A, | ||
| float * | buff_T, | ||
| int | rs_T, | ||
| int | cs_T | ||
| ) |
References bl1_saxpyv(), bl1_scopyv(), bl1_sdot(), bl1_sgemv(), bl1_sscalv(), bl1_ssymv(), bl1_ssyr2(), BLIS1_CONJ_TRANSPOSE, BLIS1_CONJUGATE, BLIS1_LOWER_TRIANGULAR, BLIS1_NO_CONJUGATE, FLA_free(), FLA_Fused_Her2_Ax_l_ops_var1(), FLA_Househ2_UT_l_ops(), FLA_malloc(), FLA_MINUS_ONE, FLA_ONE, FLA_TWO, and FLA_ZERO.
Referenced by FLA_Tridiag_UT_l_step_ofu_var2().
{
float* buff_2 = FLA_FLOAT_PTR( FLA_TWO );
float* buff_1 = FLA_FLOAT_PTR( FLA_ONE );
float* buff_0 = FLA_FLOAT_PTR( FLA_ZERO );
float* buff_m1 = FLA_FLOAT_PTR( FLA_MINUS_ONE );
float first_elem;
float beta;
float inv_tau11;
float minus_inv_tau11;
float minus_upsilon11, minus_conj_upsilon11;
float minus_zeta11, minus_conj_zeta11;
int i;
// b_alg = FLA_Obj_length( T );
int b_alg = m_T;
// FLA_Obj_create( datatype_A, m_A, 1, 0, 0, &u );
// FLA_Obj_create( datatype_A, m_A, 1, 0, 0, &z );
// FLA_Obj_create( datatype_A, m_A, 1, 0, 0, &w );
float* buff_u = ( float* ) FLA_malloc( m_A * sizeof( *buff_A ) );
float* buff_z = ( float* ) FLA_malloc( m_A * sizeof( *buff_A ) );
float* buff_w = ( float* ) FLA_malloc( m_A * sizeof( *buff_A ) );
int inc_u = 1;
int inc_z = 1;
int inc_w = 1;
// Initialize some variables (only to prevent compiler warnings).
first_elem = *buff_0;
minus_inv_tau11 = *buff_0;
for ( i = 0; i < b_alg; ++i )
{
float* A20 = buff_A + (0 )*cs_A + (i+1)*rs_A;
float* alpha11 = buff_A + (i )*cs_A + (i )*rs_A;
float* a21 = buff_A + (i )*cs_A + (i+1)*rs_A;
float* A22 = buff_A + (i+1)*cs_A + (i+1)*rs_A;
float* t01 = buff_T + (i )*cs_T + (0 )*rs_T;
float* tau11 = buff_T + (i )*cs_T + (i )*rs_T;
float* upsilon11= buff_u + (i )*inc_u;
float* u21 = buff_u + (i+1)*inc_u;
float* zeta11 = buff_z + (i )*inc_z;
float* z21 = buff_z + (i+1)*inc_z;
float* w21 = buff_w + (i+1)*inc_w;
float* a21_t = a21 + (0 )*cs_A + (0 )*rs_A;
float* a21_b = a21 + (0 )*cs_A + (1 )*rs_A;
int m_ahead = m_A - i - 1;
int m_behind = i;
int n_behind = i;
/*------------------------------------------------------------*/
if ( m_behind > 0 )
{
// FLA_Copy( upsilon11, minus_upsilon11 );
// FLA_Scal( FLA_MINUS_ONE, minus_upsilon11 );
// FLA_Copy( minus_upsilon11, minus_conj_upsilon11 );
bl1_smult3( buff_m1, upsilon11, &minus_upsilon11 );
bl1_scopyconj( &minus_upsilon11, &minus_conj_upsilon11 );
// FLA_Copy( zeta11, minus_zeta11 );
// FLA_Scal( FLA_MINUS_ONE, minus_zeta11 );
// FLA_Copy( minus_zeta11, minus_conj_zeta11 );
bl1_smult3( buff_m1, zeta11, &minus_zeta11 );
bl1_scopyconj( &minus_zeta11, &minus_conj_zeta11 );
// FLA_Axpyt( FLA_CONJ_NO_TRANSPOSE, minus_upsilon11, zeta11, alpha11 );
// FLA_Axpyt( FLA_CONJ_NO_TRANSPOSE, minus_zeta11, upsilon11, alpha11 );
bl1_saxpyv( BLIS1_CONJUGATE,
1,
&minus_upsilon11,
zeta11, 1,
alpha11, 1 );
bl1_saxpyv( BLIS1_CONJUGATE,
1,
&minus_zeta11,
upsilon11, 1,
alpha11, 1 );
// FLA_Axpyt( FLA_NO_TRANSPOSE, minus_conj_zeta11, u21, a21 );
// FLA_Axpyt( FLA_NO_TRANSPOSE, minus_conj_upsilon11, z21, a21 );
bl1_saxpyv( BLIS1_NO_CONJUGATE,
m_ahead,
&minus_conj_zeta11,
u21, inc_u,
a21, rs_A );
bl1_saxpyv( BLIS1_NO_CONJUGATE,
m_ahead,
&minus_conj_upsilon11,
z21, inc_z,
a21, rs_A );
}
if ( m_ahead > 0 )
{
// FLA_Househ2_UT( FLA_LEFT,
// a21_t,
// a21_b, tau11 );
FLA_Househ2_UT_l_ops( m_ahead - 1,
a21_t,
a21_b, rs_A,
tau11 );
// FLA_Set( FLA_ONE, inv_tau11 );
// FLA_Inv_scalc( FLA_NO_CONJUGATE, tau11, inv_tau11 );
// FLA_Copy( inv_tau11, minus_inv_tau11 );
// FLA_Scal( FLA_MINUS_ONE, minus_inv_tau11 );
bl1_sdiv3( buff_1, tau11, &inv_tau11 );
bl1_sneg2( &inv_tau11, &minus_inv_tau11 );
// FLA_Copy( a21_t, first_elem );
// FLA_Set( FLA_ONE, a21_t );
first_elem = *a21_t;
*a21_t = *buff_1;
}
if ( m_behind > 0 && m_ahead > 0 )
{
// FLA_Her2( FLA_LOWER_TRIANGULAR, FLA_MINUS_ONE, u21, z21, A22 );
// FLA_Hemv( FLA_LOWER_TRIANGULAR, FLA_ONE, A22, a21, FLA_ZERO, w21 );
FLA_Fused_Her2_Ax_l_ops_var1( m_ahead,
buff_m1,
u21, inc_u,
z21, inc_z,
A22, rs_A, cs_A,
a21, rs_A,
w21, inc_w );
}
else if ( m_ahead > 0 )
{
// FLA_Hemv( FLA_LOWER_TRIANGULAR, FLA_ONE, A22, a21, FLA_ZERO, w21 );
bl1_ssymv( BLIS1_LOWER_TRIANGULAR,
m_ahead,
buff_1,
A22, rs_A, cs_A,
a21, rs_A,
buff_0,
w21, inc_w );
}
if ( m_ahead > 0 )
{
// FLA_Copy( a21, u21 );
// FLA_Copy( w21, z21 );
bl1_scopyv( BLIS1_NO_CONJUGATE,
m_ahead,
a21, rs_A,
u21, inc_u );
bl1_scopyv( BLIS1_NO_CONJUGATE,
m_ahead,
w21, inc_w,
z21, inc_z );
// FLA_Dotc( FLA_CONJUGATE, a21, z21, beta );
// FLA_Inv_scal( FLA_TWO, beta );
bl1_sdot( BLIS1_CONJUGATE,
m_ahead,
a21, rs_A,
z21, inc_z,
&beta );
bl1_sinvscals( buff_2, &beta );
// FLA_Scal( minus_inv_tau11, beta );
// FLA_Axpy( beta, a21, z21 );
// FLA_Scal( inv_tau11, z21 );
bl1_sscals( &minus_inv_tau11, &beta );
bl1_saxpyv( BLIS1_NO_CONJUGATE,
m_ahead,
&beta,
a21, rs_A,
z21, inc_z );
bl1_sscalv( BLIS1_NO_CONJUGATE,
m_ahead,
&inv_tau11,
z21, inc_z );
// FLA_Gemv( FLA_CONJ_TRANSPOSE, FLA_ONE, A20, a21, FLA_ZERO, t01 );
bl1_sgemv( BLIS1_CONJ_TRANSPOSE,
BLIS1_NO_CONJUGATE,
m_ahead,
n_behind,
buff_1,
A20, rs_A, cs_A,
a21, rs_A,
buff_0,
t01, rs_T );
// FLA_Copy( first_elem, a21_t );
*a21_t = first_elem;
}
if ( m_behind + 1 == b_alg && m_ahead > 0 )
{
// FLA_Her2( FLA_LOWER_TRIANGULAR, FLA_MINUS_ONE, u21, z21, A22 );
bl1_ssyr2( BLIS1_LOWER_TRIANGULAR,
m_ahead,
buff_m1,
u21, inc_u,
z21, inc_z,
A22, rs_A, cs_A );
}
/*------------------------------------------------------------*/
}
// FLA_Obj_free( &u );
// FLA_Obj_free( &z );
// FLA_Obj_free( &w );
FLA_free( buff_u );
FLA_free( buff_z );
FLA_free( buff_w );
return FLA_SUCCESS;
}
References FLA_Obj_col_stride(), FLA_Obj_datatype(), FLA_Obj_length(), FLA_Obj_row_stride(), FLA_Tridiag_UT_l_step_ofc_var2(), FLA_Tridiag_UT_l_step_ofd_var2(), FLA_Tridiag_UT_l_step_ofs_var2(), and FLA_Tridiag_UT_l_step_ofz_var2().
Referenced by FLA_Tridiag_UT_l_blf_var2(), and FLA_Tridiag_UT_l_ofu_var2().
{
FLA_Datatype datatype;
int m_A, m_T;
int rs_A, cs_A;
int rs_T, cs_T;
datatype = FLA_Obj_datatype( A );
m_A = FLA_Obj_length( A );
m_T = FLA_Obj_length( T );
rs_A = FLA_Obj_row_stride( A );
cs_A = FLA_Obj_col_stride( A );
rs_T = FLA_Obj_row_stride( T );
cs_T = FLA_Obj_col_stride( T );
switch ( datatype )
{
case FLA_FLOAT:
{
float* buff_A = FLA_FLOAT_PTR( A );
float* buff_T = FLA_FLOAT_PTR( T );
FLA_Tridiag_UT_l_step_ofs_var2( m_A,
m_T,
buff_A, rs_A, cs_A,
buff_T, rs_T, cs_T );
break;
}
case FLA_DOUBLE:
{
double* buff_A = FLA_DOUBLE_PTR( A );
double* buff_T = FLA_DOUBLE_PTR( T );
FLA_Tridiag_UT_l_step_ofd_var2( m_A,
m_T,
buff_A, rs_A, cs_A,
buff_T, rs_T, cs_T );
break;
}
case FLA_COMPLEX:
{
scomplex* buff_A = FLA_COMPLEX_PTR( A );
scomplex* buff_T = FLA_COMPLEX_PTR( T );
FLA_Tridiag_UT_l_step_ofc_var2( m_A,
m_T,
buff_A, rs_A, cs_A,
buff_T, rs_T, cs_T );
break;
}
case FLA_DOUBLE_COMPLEX:
{
dcomplex* buff_A = FLA_DOUBLE_COMPLEX_PTR( A );
dcomplex* buff_T = FLA_DOUBLE_COMPLEX_PTR( T );
FLA_Tridiag_UT_l_step_ofz_var2( m_A,
m_T,
buff_A, rs_A, cs_A,
buff_T, rs_T, cs_T );
break;
}
}
return FLA_SUCCESS;
}
| FLA_Error FLA_Tridiag_UT_l_step_ofz_var2 | ( | int | m_A, |
| int | m_T, | ||
| dcomplex * | buff_A, | ||
| int | rs_A, | ||
| int | cs_A, | ||
| dcomplex * | buff_T, | ||
| int | rs_T, | ||
| int | cs_T | ||
| ) |
References bl1_zaxpyv(), bl1_zcopyv(), bl1_zdot(), bl1_zgemv(), bl1_zhemv(), bl1_zher2(), bl1_zscalv(), BLIS1_CONJ_TRANSPOSE, BLIS1_CONJUGATE, BLIS1_LOWER_TRIANGULAR, BLIS1_NO_CONJUGATE, BLIS1_NO_TRANSPOSE, FLA_free(), FLA_Fused_Her2_Ax_l_opz_var1(), FLA_Househ2_UT_l_opz(), FLA_malloc(), FLA_MINUS_ONE, FLA_ONE, FLA_TWO, and FLA_ZERO.
Referenced by FLA_Tridiag_UT_l_step_ofu_var2().
{
dcomplex* buff_2 = FLA_DOUBLE_COMPLEX_PTR( FLA_TWO );
dcomplex* buff_1 = FLA_DOUBLE_COMPLEX_PTR( FLA_ONE );
dcomplex* buff_0 = FLA_DOUBLE_COMPLEX_PTR( FLA_ZERO );
dcomplex* buff_m1 = FLA_DOUBLE_COMPLEX_PTR( FLA_MINUS_ONE );
dcomplex first_elem;
dcomplex beta;
dcomplex inv_tau11;
dcomplex minus_inv_tau11;
dcomplex minus_upsilon11, minus_conj_upsilon11;
dcomplex minus_zeta11, minus_conj_zeta11;
int i;
// b_alg = FLA_Obj_length( T );
int b_alg = m_T;
// FLA_Obj_create( datatype_A, m_A, 1, 0, 0, &u );
// FLA_Obj_create( datatype_A, m_A, 1, 0, 0, &z );
// FLA_Obj_create( datatype_A, m_A, 1, 0, 0, &w );
dcomplex* buff_u = ( dcomplex* ) FLA_malloc( m_A * sizeof( *buff_A ) );
dcomplex* buff_z = ( dcomplex* ) FLA_malloc( m_A * sizeof( *buff_A ) );
dcomplex* buff_w = ( dcomplex* ) FLA_malloc( m_A * sizeof( *buff_A ) );
int inc_u = 1;
int inc_z = 1;
int inc_w = 1;
// Initialize some variables (only to prevent compiler warnings).
first_elem = *buff_0;
minus_inv_tau11 = *buff_0;
for ( i = 0; i < b_alg; ++i )
{
dcomplex* A20 = buff_A + (0 )*cs_A + (i+1)*rs_A;
dcomplex* alpha11 = buff_A + (i )*cs_A + (i )*rs_A;
dcomplex* a21 = buff_A + (i )*cs_A + (i+1)*rs_A;
dcomplex* A22 = buff_A + (i+1)*cs_A + (i+1)*rs_A;
dcomplex* t01 = buff_T + (i )*cs_T + (0 )*rs_T;
dcomplex* tau11 = buff_T + (i )*cs_T + (i )*rs_T;
dcomplex* upsilon11= buff_u + (i )*inc_u;
dcomplex* u21 = buff_u + (i+1)*inc_u;
dcomplex* zeta11 = buff_z + (i )*inc_z;
dcomplex* z21 = buff_z + (i+1)*inc_z;
dcomplex* w21 = buff_w + (i+1)*inc_w;
dcomplex* a21_t = a21 + (0 )*cs_A + (0 )*rs_A;
dcomplex* a21_b = a21 + (0 )*cs_A + (1 )*rs_A;
int m_ahead = m_A - i - 1;
int m_behind = i;
int n_behind = i;
/*------------------------------------------------------------*/
if ( m_behind > 0 )
{
// FLA_Copy( upsilon11, minus_upsilon11 );
// FLA_Scal( FLA_MINUS_ONE, minus_upsilon11 );
// FLA_Copy( minus_upsilon11, minus_conj_upsilon11 );
bl1_zmult3( buff_m1, upsilon11, &minus_upsilon11 );
bl1_zcopyconj( &minus_upsilon11, &minus_conj_upsilon11 );
// FLA_Copy( zeta11, minus_zeta11 );
// FLA_Scal( FLA_MINUS_ONE, minus_zeta11 );
// FLA_Copy( minus_zeta11, minus_conj_zeta11 );
bl1_zmult3( buff_m1, zeta11, &minus_zeta11 );
bl1_zcopyconj( &minus_zeta11, &minus_conj_zeta11 );
// FLA_Axpyt( FLA_CONJ_NO_TRANSPOSE, minus_upsilon11, zeta11, alpha11 );
// FLA_Axpyt( FLA_CONJ_NO_TRANSPOSE, minus_zeta11, upsilon11, alpha11 );
bl1_zaxpyv( BLIS1_CONJUGATE,
1,
&minus_upsilon11,
zeta11, 1,
alpha11, 1 );
bl1_zaxpyv( BLIS1_CONJUGATE,
1,
&minus_zeta11,
upsilon11, 1,
alpha11, 1 );
// FLA_Axpyt( FLA_NO_TRANSPOSE, minus_conj_zeta11, u21, a21 );
// FLA_Axpyt( FLA_NO_TRANSPOSE, minus_conj_upsilon11, z21, a21 );
bl1_zaxpyv( BLIS1_NO_CONJUGATE,
m_ahead,
&minus_conj_zeta11,
u21, inc_u,
a21, rs_A );
bl1_zaxpyv( BLIS1_NO_CONJUGATE,
m_ahead,
&minus_conj_upsilon11,
z21, inc_z,
a21, rs_A );
}
if ( m_ahead > 0 )
{
// FLA_Househ2_UT( FLA_LEFT,
// a21_t,
// a21_b, tau11 );
FLA_Househ2_UT_l_opz( m_ahead - 1,
a21_t,
a21_b, rs_A,
tau11 );
// FLA_Set( FLA_ONE, inv_tau11 );
// FLA_Inv_scalc( FLA_NO_CONJUGATE, tau11, inv_tau11 );
// FLA_Copy( inv_tau11, minus_inv_tau11 );
// FLA_Scal( FLA_MINUS_ONE, minus_inv_tau11 );
bl1_zdiv3( buff_1, tau11, &inv_tau11 );
bl1_zneg2( &inv_tau11, &minus_inv_tau11 );
// FLA_Copy( a21_t, first_elem );
// FLA_Set( FLA_ONE, a21_t );
first_elem = *a21_t;
*a21_t = *buff_1;
}
if ( m_behind > 0 && m_ahead > 0 )
{
// FLA_Her2( FLA_LOWER_TRIANGULAR, FLA_MINUS_ONE, u21, z21, A22 );
// FLA_Hemv( FLA_LOWER_TRIANGULAR, FLA_ONE, A22, a21, FLA_ZERO, w21 );
FLA_Fused_Her2_Ax_l_opz_var1( m_ahead,
buff_m1,
u21, inc_u,
z21, inc_z,
A22, rs_A, cs_A,
a21, rs_A,
w21, inc_w );
}
else if ( m_ahead > 0 )
{
// FLA_Hemv( FLA_LOWER_TRIANGULAR, FLA_ONE, A22, a21, FLA_ZERO, w21 );
bl1_zhemv( BLIS1_LOWER_TRIANGULAR,
BLIS1_NO_CONJUGATE,
m_ahead,
buff_1,
A22, rs_A, cs_A,
a21, rs_A,
buff_0,
w21, inc_w );
}
if ( m_ahead > 0 )
{
// FLA_Copy( a21, u21 );
// FLA_Copy( w21, z21 );
bl1_zcopyv( BLIS1_NO_CONJUGATE,
m_ahead,
a21, rs_A,
u21, inc_u );
bl1_zcopyv( BLIS1_NO_CONJUGATE,
m_ahead,
w21, inc_w,
z21, inc_z );
// FLA_Dotc( FLA_CONJUGATE, a21, z21, beta );
// FLA_Inv_scal( FLA_TWO, beta );
bl1_zdot( BLIS1_CONJUGATE,
m_ahead,
a21, rs_A,
z21, inc_z,
&beta );
bl1_zinvscals( buff_2, &beta );
// FLA_Scal( minus_inv_tau11, beta );
// FLA_Axpy( beta, a21, z21 );
// FLA_Scal( inv_tau11, z21 );
bl1_zscals( &minus_inv_tau11, &beta );
bl1_zaxpyv( BLIS1_NO_CONJUGATE,
m_ahead,
&beta,
a21, rs_A,
z21, inc_z );
bl1_zscalv( BLIS1_NO_CONJUGATE,
m_ahead,
&inv_tau11,
z21, inc_z );
// FLA_Gemv( FLA_CONJ_TRANSPOSE, FLA_ONE, A20, a21, FLA_ZERO, t01 );
bl1_zgemv( BLIS1_CONJ_TRANSPOSE,
BLIS1_NO_CONJUGATE,
m_ahead,
n_behind,
buff_1,
A20, rs_A, cs_A,
a21, rs_A,
buff_0,
t01, rs_T );
// FLA_Copy( first_elem, a21_t );
*a21_t = first_elem;
}
if ( m_behind + 1 == b_alg && m_ahead > 0 )
{
// FLA_Her2( FLA_LOWER_TRIANGULAR, FLA_MINUS_ONE, u21, z21, A22 );
bl1_zher2( BLIS1_LOWER_TRIANGULAR,
BLIS1_NO_TRANSPOSE,
m_ahead,
buff_m1,
u21, inc_u,
z21, inc_z,
A22, rs_A, cs_A );
}
/*------------------------------------------------------------*/
}
// FLA_Obj_free( &u );
// FLA_Obj_free( &z );
// FLA_Obj_free( &w );
FLA_free( buff_u );
FLA_free( buff_z );
FLA_free( buff_w );
return FLA_SUCCESS;
}
1.7.6.1