|
libflame
revision_anchor
|
Functions | |
| FLA_Error | FLA_Tridiag_UT_l_opt_var2 (FLA_Obj A, FLA_Obj T) |
| FLA_Error | FLA_Tridiag_UT_l_step_opt_var2 (FLA_Obj A, FLA_Obj T) |
| FLA_Error | FLA_Tridiag_UT_l_step_ops_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_opd_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_opc_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_opz_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_opt_var2 | ( | FLA_Obj | A, |
| FLA_Obj | T | ||
| ) |
References FLA_Tridiag_UT_l_step_opt_var2().
Referenced by FLA_Tridiag_UT_l().
{
return FLA_Tridiag_UT_l_step_opt_var2( A, T );
}
| FLA_Error FLA_Tridiag_UT_l_step_opc_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 bli_caxpyv(), bli_ccopyv(), bli_cdot(), bli_cgemv(), bli_chemv(), bli_cher2(), bli_cscalv(), BLIS_CONJ_TRANSPOSE, BLIS_CONJUGATE, BLIS_LOWER_TRIANGULAR, BLIS_NO_CONJUGATE, BLIS_NO_TRANSPOSE, FLA_free(), FLA_Househ2_UT_l_opc(), FLA_malloc(), FLA_MINUS_ONE, FLA_ONE, FLA_TWO, and FLA_ZERO.
Referenced by FLA_Tridiag_UT_l_step_opt_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 );
bli_cmult3( buff_m1, upsilon11, &minus_upsilon11 );
bli_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 );
bli_cmult3( buff_m1, zeta11, &minus_zeta11 );
bli_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 );
bli_caxpyv( BLIS_CONJUGATE,
1,
&minus_upsilon11,
zeta11, 1,
alpha11, 1 );
bli_caxpyv( BLIS_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 );
bli_caxpyv( BLIS_NO_CONJUGATE,
m_ahead,
&minus_conj_zeta11,
u21, inc_u,
a21, rs_A );
bli_caxpyv( BLIS_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 );
bli_cdiv3( buff_1, tau11, &inv_tau11 );
bli_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 )
{
// FLA_Her2( FLA_LOWER_TRIANGULAR, FLA_MINUS_ONE, u21, z21, A22 );
bli_cher2( BLIS_LOWER_TRIANGULAR,
BLIS_NO_TRANSPOSE,
m_ahead,
buff_m1,
u21, inc_u,
z21, inc_z,
A22, rs_A, cs_A );
}
if ( m_ahead > 0 )
{
// FLA_Hemv( FLA_LOWER_TRIANGULAR, FLA_ONE, A22, a21, FLA_ZERO, w21 );
bli_chemv( BLIS_LOWER_TRIANGULAR,
BLIS_NO_CONJUGATE,
m_ahead,
buff_1,
A22, rs_A, cs_A,
a21, rs_A,
buff_0,
w21, inc_w );
// FLA_Copy( a21, u21 );
// FLA_Copy( w21, z21 );
bli_ccopyv( BLIS_NO_CONJUGATE,
m_ahead,
a21, rs_A,
u21, inc_u );
bli_ccopyv( BLIS_NO_CONJUGATE,
m_ahead,
w21, inc_w,
z21, inc_z );
// FLA_Dotc( FLA_CONJUGATE, a21, z21, beta );
// FLA_Inv_scal( FLA_TWO, beta );
bli_cdot( BLIS_CONJUGATE,
m_ahead,
a21, rs_A,
z21, inc_z,
&beta );
bli_cinvscals( buff_2, &beta );
// FLA_Scal( minus_inv_tau11, beta );
// FLA_Axpy( beta, a21, z21 );
// FLA_Scal( inv_tau11, z21 );
bli_cscals( &minus_inv_tau11, &beta );
bli_caxpyv( BLIS_NO_CONJUGATE,
m_ahead,
&beta,
a21, rs_A,
z21, inc_z );
bli_cscalv( BLIS_NO_CONJUGATE,
m_ahead,
&inv_tau11,
z21, inc_z );
// FLA_Gemv( FLA_CONJ_TRANSPOSE, FLA_ONE, A20, a21, FLA_ZERO, t01 );
bli_cgemv( BLIS_CONJ_TRANSPOSE,
BLIS_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 );
bli_cher2( BLIS_LOWER_TRIANGULAR,
BLIS_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_opd_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 bli_daxpyv(), bli_dcopyv(), bli_ddot(), bli_dgemv(), bli_dscalv(), bli_dsymv(), bli_dsyr2(), BLIS_CONJ_TRANSPOSE, BLIS_CONJUGATE, BLIS_LOWER_TRIANGULAR, BLIS_NO_CONJUGATE, FLA_free(), FLA_Househ2_UT_l_opd(), FLA_malloc(), FLA_MINUS_ONE, FLA_ONE, FLA_TWO, and FLA_ZERO.
Referenced by FLA_Tridiag_UT_l_step_opt_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 );
bli_dmult3( buff_m1, upsilon11, &minus_upsilon11 );
bli_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 );
bli_dmult3( buff_m1, zeta11, &minus_zeta11 );
bli_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 );
bli_daxpyv( BLIS_CONJUGATE,
1,
&minus_upsilon11,
zeta11, 1,
alpha11, 1 );
bli_daxpyv( BLIS_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 );
bli_daxpyv( BLIS_NO_CONJUGATE,
m_ahead,
&minus_conj_zeta11,
u21, inc_u,
a21, rs_A );
bli_daxpyv( BLIS_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 );
bli_ddiv3( buff_1, tau11, &inv_tau11 );
bli_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 )
{
// FLA_Her2( FLA_LOWER_TRIANGULAR, FLA_MINUS_ONE, u21, z21, A22 );
bli_dsyr2( BLIS_LOWER_TRIANGULAR,
m_ahead,
buff_m1,
u21, inc_u,
z21, inc_z,
A22, rs_A, cs_A );
}
if ( m_ahead > 0 )
{
// FLA_Hemv( FLA_LOWER_TRIANGULAR, FLA_ONE, A22, a21, FLA_ZERO, w21 );
bli_dsymv( BLIS_LOWER_TRIANGULAR,
m_ahead,
buff_1,
A22, rs_A, cs_A,
a21, rs_A,
buff_0,
w21, inc_w );
// FLA_Copy( a21, u21 );
// FLA_Copy( w21, z21 );
bli_dcopyv( BLIS_NO_CONJUGATE,
m_ahead,
a21, rs_A,
u21, inc_u );
bli_dcopyv( BLIS_NO_CONJUGATE,
m_ahead,
w21, inc_w,
z21, inc_z );
// FLA_Dotc( FLA_CONJUGATE, a21, z21, beta );
// FLA_Inv_scal( FLA_TWO, beta );
bli_ddot( BLIS_CONJUGATE,
m_ahead,
a21, rs_A,
z21, inc_z,
&beta );
bli_dinvscals( buff_2, &beta );
// FLA_Scal( minus_inv_tau11, beta );
// FLA_Axpy( beta, a21, z21 );
// FLA_Scal( inv_tau11, z21 );
bli_dscals( &minus_inv_tau11, &beta );
bli_daxpyv( BLIS_NO_CONJUGATE,
m_ahead,
&beta,
a21, rs_A,
z21, inc_z );
bli_dscalv( BLIS_NO_CONJUGATE,
m_ahead,
&inv_tau11,
z21, inc_z );
// FLA_Gemv( FLA_CONJ_TRANSPOSE, FLA_ONE, A20, a21, FLA_ZERO, t01 );
bli_dgemv( BLIS_CONJ_TRANSPOSE,
BLIS_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 );
bli_dsyr2( BLIS_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_ops_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 bli_saxpyv(), bli_scopyv(), bli_sdot(), bli_sgemv(), bli_sscalv(), bli_ssymv(), bli_ssyr2(), BLIS_CONJ_TRANSPOSE, BLIS_CONJUGATE, BLIS_LOWER_TRIANGULAR, BLIS_NO_CONJUGATE, FLA_free(), FLA_Househ2_UT_l_ops(), FLA_malloc(), FLA_MINUS_ONE, FLA_ONE, FLA_TWO, and FLA_ZERO.
Referenced by FLA_Tridiag_UT_l_step_opt_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 );
bli_smult3( buff_m1, upsilon11, &minus_upsilon11 );
bli_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 );
bli_smult3( buff_m1, zeta11, &minus_zeta11 );
bli_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 );
bli_saxpyv( BLIS_CONJUGATE,
1,
&minus_upsilon11,
zeta11, 1,
alpha11, 1 );
bli_saxpyv( BLIS_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 );
bli_saxpyv( BLIS_NO_CONJUGATE,
m_ahead,
&minus_conj_zeta11,
u21, inc_u,
a21, rs_A );
bli_saxpyv( BLIS_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 );
bli_sdiv3( buff_1, tau11, &inv_tau11 );
bli_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 )
{
// FLA_Her2( FLA_LOWER_TRIANGULAR, FLA_MINUS_ONE, u21, z21, A22 );
bli_ssyr2( BLIS_LOWER_TRIANGULAR,
m_ahead,
buff_m1,
u21, inc_u,
z21, inc_z,
A22, rs_A, cs_A );
}
if ( m_ahead > 0 )
{
// FLA_Hemv( FLA_LOWER_TRIANGULAR, FLA_ONE, A22, a21, FLA_ZERO, w21 );
bli_ssymv( BLIS_LOWER_TRIANGULAR,
m_ahead,
buff_1,
A22, rs_A, cs_A,
a21, rs_A,
buff_0,
w21, inc_w );
// FLA_Copy( a21, u21 );
// FLA_Copy( w21, z21 );
bli_scopyv( BLIS_NO_CONJUGATE,
m_ahead,
a21, rs_A,
u21, inc_u );
bli_scopyv( BLIS_NO_CONJUGATE,
m_ahead,
w21, inc_w,
z21, inc_z );
// FLA_Dotc( FLA_CONJUGATE, a21, z21, beta );
// FLA_Inv_scal( FLA_TWO, beta );
bli_sdot( BLIS_CONJUGATE,
m_ahead,
a21, rs_A,
z21, inc_z,
&beta );
bli_sinvscals( buff_2, &beta );
// FLA_Scal( minus_inv_tau11, beta );
// FLA_Axpy( beta, a21, z21 );
// FLA_Scal( inv_tau11, z21 );
bli_sscals( &minus_inv_tau11, &beta );
bli_saxpyv( BLIS_NO_CONJUGATE,
m_ahead,
&beta,
a21, rs_A,
z21, inc_z );
bli_sscalv( BLIS_NO_CONJUGATE,
m_ahead,
&inv_tau11,
z21, inc_z );
// FLA_Gemv( FLA_CONJ_TRANSPOSE, FLA_ONE, A20, a21, FLA_ZERO, t01 );
bli_sgemv( BLIS_CONJ_TRANSPOSE,
BLIS_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 );
bli_ssyr2( BLIS_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_opc_var2(), FLA_Tridiag_UT_l_step_opd_var2(), FLA_Tridiag_UT_l_step_ops_var2(), and FLA_Tridiag_UT_l_step_opz_var2().
Referenced by FLA_Tridiag_UT_l_blk_var2(), and FLA_Tridiag_UT_l_opt_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_ops_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_opd_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_opc_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_opz_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_opz_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 bli_zaxpyv(), bli_zcopyv(), bli_zdot(), bli_zgemv(), bli_zhemv(), bli_zher2(), bli_zscalv(), BLIS_CONJ_TRANSPOSE, BLIS_CONJUGATE, BLIS_LOWER_TRIANGULAR, BLIS_NO_CONJUGATE, BLIS_NO_TRANSPOSE, FLA_free(), FLA_Househ2_UT_l_opz(), FLA_malloc(), FLA_MINUS_ONE, FLA_ONE, FLA_TWO, and FLA_ZERO.
Referenced by FLA_Tridiag_UT_l_step_opt_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 );
bli_zmult3( buff_m1, upsilon11, &minus_upsilon11 );
bli_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 );
bli_zmult3( buff_m1, zeta11, &minus_zeta11 );
bli_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 );
bli_zaxpyv( BLIS_CONJUGATE,
1,
&minus_upsilon11,
zeta11, 1,
alpha11, 1 );
bli_zaxpyv( BLIS_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 );
bli_zaxpyv( BLIS_NO_CONJUGATE,
m_ahead,
&minus_conj_zeta11,
u21, inc_u,
a21, rs_A );
bli_zaxpyv( BLIS_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 );
bli_zdiv3( buff_1, tau11, &inv_tau11 );
bli_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 )
{
// FLA_Her2( FLA_LOWER_TRIANGULAR, FLA_MINUS_ONE, u21, z21, A22 );
bli_zher2( BLIS_LOWER_TRIANGULAR,
BLIS_NO_TRANSPOSE,
m_ahead,
buff_m1,
u21, inc_u,
z21, inc_z,
A22, rs_A, cs_A );
}
if ( m_ahead > 0 )
{
// FLA_Hemv( FLA_LOWER_TRIANGULAR, FLA_ONE, A22, a21, FLA_ZERO, w21 );
bli_zhemv( BLIS_LOWER_TRIANGULAR,
BLIS_NO_CONJUGATE,
m_ahead,
buff_1,
A22, rs_A, cs_A,
a21, rs_A,
buff_0,
w21, inc_w );
// FLA_Copy( a21, u21 );
// FLA_Copy( w21, z21 );
bli_zcopyv( BLIS_NO_CONJUGATE,
m_ahead,
a21, rs_A,
u21, inc_u );
bli_zcopyv( BLIS_NO_CONJUGATE,
m_ahead,
w21, inc_w,
z21, inc_z );
// FLA_Dotc( FLA_CONJUGATE, a21, z21, beta );
// FLA_Inv_scal( FLA_TWO, beta );
bli_zdot( BLIS_CONJUGATE,
m_ahead,
a21, rs_A,
z21, inc_z,
&beta );
bli_zinvscals( buff_2, &beta );
// FLA_Scal( minus_inv_tau11, beta );
// FLA_Axpy( beta, a21, z21 );
// FLA_Scal( inv_tau11, z21 );
bli_zscals( &minus_inv_tau11, &beta );
bli_zaxpyv( BLIS_NO_CONJUGATE,
m_ahead,
&beta,
a21, rs_A,
z21, inc_z );
bli_zscalv( BLIS_NO_CONJUGATE,
m_ahead,
&inv_tau11,
z21, inc_z );
// FLA_Gemv( FLA_CONJ_TRANSPOSE, FLA_ONE, A20, a21, FLA_ZERO, t01 );
bli_zgemv( BLIS_CONJ_TRANSPOSE,
BLIS_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 );
bli_zher2( BLIS_LOWER_TRIANGULAR,
BLIS_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