libflame
revision_anchor
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Functions | |
FLA_Error | FLA_Tridiag_UT_l_opt_var3 (FLA_Obj A, FLA_Obj T) |
FLA_Error | FLA_Tridiag_UT_l_step_opt_var3 (FLA_Obj A, FLA_Obj Z, FLA_Obj T) |
FLA_Error | FLA_Tridiag_UT_l_step_ops_var3 (int m_A, int m_T, float *buff_A, int rs_A, int cs_A, float *buff_Z, int rs_Z, int cs_Z, float *buff_T, int rs_T, int cs_T) |
FLA_Error | FLA_Tridiag_UT_l_step_opd_var3 (int m_A, int m_T, double *buff_A, int rs_A, int cs_A, double *buff_Z, int rs_Z, int cs_Z, double *buff_T, int rs_T, int cs_T) |
FLA_Error | FLA_Tridiag_UT_l_step_opc_var3 (int m_A, int m_T, scomplex *buff_A, int rs_A, int cs_A, scomplex *buff_Z, int rs_Z, int cs_Z, scomplex *buff_T, int rs_T, int cs_T) |
FLA_Error | FLA_Tridiag_UT_l_step_opz_var3 (int m_A, int m_T, dcomplex *buff_A, int rs_A, int cs_A, dcomplex *buff_Z, int rs_Z, int cs_Z, dcomplex *buff_T, int rs_T, int cs_T) |
FLA_Error FLA_Tridiag_UT_l_opt_var3 | ( | FLA_Obj | A, |
FLA_Obj | T | ||
) |
References FLA_Obj_create_conf_to(), FLA_Obj_free(), and FLA_Tridiag_UT_l_step_opt_var3().
Referenced by FLA_Tridiag_UT_l().
{ FLA_Error r_val; FLA_Obj Z; FLA_Obj_create_conf_to( FLA_NO_TRANSPOSE, A, &Z ); r_val = FLA_Tridiag_UT_l_step_opt_var3( A, Z, T ); FLA_Obj_free( &Z ); return r_val; }
FLA_Error FLA_Tridiag_UT_l_step_opc_var3 | ( | int | m_A, |
int | m_T, | ||
scomplex * | buff_A, | ||
int | rs_A, | ||
int | cs_A, | ||
scomplex * | buff_Z, | ||
int | rs_Z, | ||
int | cs_Z, | ||
scomplex * | buff_T, | ||
int | rs_T, | ||
int | cs_T | ||
) |
References bl1_caxpyv(), bl1_ccopyv(), bl1_cdot(), bl1_cgemv(), bl1_chemv(), bl1_cscalv(), bl1_csetm(), BLIS1_CONJ_TRANSPOSE, BLIS1_CONJUGATE, BLIS1_LOWER_TRIANGULAR, BLIS1_NO_CONJUGATE, BLIS1_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_var3().
{ 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, last_elem; scomplex beta; scomplex inv_tau11; scomplex minus_inv_tau11; int i; // b_alg = FLA_Obj_length( T ); int b_alg = m_T; // FLA_Obj_create( datatype_A, m_A, 1, 0, 0, &d ); // FLA_Obj_create( datatype_A, m_A, 1, 0, 0, &f ); scomplex* buff_d = ( scomplex* ) FLA_malloc( m_A * sizeof( *buff_A ) ); scomplex* buff_f = ( scomplex* ) FLA_malloc( m_A * sizeof( *buff_A ) ); int inc_d = 1; int inc_f = 1; // FLA_Set( FLA_ZERO, Z ); bl1_csetm( m_A, b_alg, buff_0, buff_Z, rs_Z, cs_Z ); for ( i = 0; i < b_alg; ++i ) { scomplex* a10t = buff_A + (0 )*cs_A + (i )*rs_A; 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* z10t = buff_Z + (0 )*cs_Z + (i )*rs_Z; scomplex* Z20 = buff_Z + (0 )*cs_Z + (i+1)*rs_Z; scomplex* z21 = buff_Z + (i )*cs_Z + (i+1)*rs_Z; scomplex* t01 = buff_T + (i )*cs_T + (0 )*rs_T; scomplex* tau11 = buff_T + (i )*cs_T + (i )*rs_T; scomplex* d01 = buff_d + (0 )*inc_d; scomplex* f01 = buff_f + (0 )*inc_f; scomplex* a10t_r = a10t + (i-1)*cs_A + (0 )*rs_A; scomplex* a21_t = a21 + (0 )*cs_A + (0 )*rs_A; scomplex* a21_b = a21 + (0 )*cs_A + (1 )*rs_A; scomplex* ABL = a10t; scomplex* ZBL = z10t; scomplex* a2 = alpha11; int m_ahead = m_A - i - 1; int m_behind = i; int n_behind = i; /*------------------------------------------------------------*/ if ( m_behind > 0 ) { // FLA_Copy( a10t_r, last_elem ); // FLA_Set( FLA_ONE, a10t_r ); last_elem = *a10t_r; *a10t_r = *buff_1; } // FLA_Gemvc( FLA_NO_TRANSPOSE, FLA_CONJUGATE, FLA_MINUS_ONE, ABL, z10t, FLA_ONE, a2 ); // FLA_Gemvc( FLA_NO_TRANSPOSE, FLA_CONJUGATE, FLA_MINUS_ONE, ZBL, a10t, FLA_ONE, a2 ); bl1_cgemv( BLIS1_NO_TRANSPOSE, BLIS1_CONJUGATE, m_ahead + 1, n_behind, buff_m1, ABL, rs_A, cs_A, z10t, cs_Z, buff_1, a2, rs_A ); bl1_cgemv( BLIS1_NO_TRANSPOSE, BLIS1_CONJUGATE, m_ahead + 1, n_behind, buff_m1, ZBL, rs_Z, cs_Z, a10t, cs_A, buff_1, a2, rs_A ); if ( m_behind > 0 ) { // FLA_Copy( last_elem, a10t_r ); *a10t_r = last_elem; } 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; // FLA_Hemv( FLA_LOWER_TRIANGULAR, FLA_ONE, A22, a21, FLA_ZERO, z21 ); bl1_chemv( BLIS1_LOWER_TRIANGULAR, BLIS1_NO_CONJUGATE, m_ahead, buff_1, A22, rs_A, cs_A, a21, rs_A, buff_0, z21, rs_Z ); // FLA_Gemv( FLA_CONJ_TRANSPOSE, FLA_ONE, A20, a21, FLA_ZERO, d01 ); // FLA_Gemv( FLA_CONJ_TRANSPOSE, FLA_ONE, Z20, a21, FLA_ZERO, f01 ); bl1_cgemv( BLIS1_CONJ_TRANSPOSE, BLIS1_NO_CONJUGATE, m_ahead, n_behind, buff_1, A20, rs_A, cs_A, a21, rs_A, buff_0, d01, inc_d ); bl1_cgemv( BLIS1_CONJ_TRANSPOSE, BLIS1_NO_CONJUGATE, m_ahead, n_behind, buff_1, Z20, rs_Z, cs_Z, a21, rs_A, buff_0, f01, inc_f ); // FLA_Gemv( FLA_NO_TRANSPOSE, FLA_MINUS_ONE, A20, f01, FLA_ONE, z21 ); // FLA_Gemv( FLA_NO_TRANSPOSE, FLA_MINUS_ONE, Z20, d01, FLA_ONE, z21 ); bl1_cgemv( BLIS1_NO_TRANSPOSE, BLIS1_NO_CONJUGATE, m_ahead, n_behind, buff_m1, A20, rs_A, cs_A, f01, inc_f, buff_1, z21, rs_Z ); bl1_cgemv( BLIS1_NO_TRANSPOSE, BLIS1_NO_CONJUGATE, m_ahead, n_behind, buff_m1, Z20, rs_Z, cs_Z, d01, inc_d, buff_1, z21, rs_Z ); // FLA_Copy( d01, t01 ); bl1_ccopyv( BLIS1_NO_CONJUGATE, n_behind, d01, inc_d, t01, rs_T ); // FLA_Dotc( FLA_CONJUGATE, a21, z21, beta ); // FLA_Inv_scal( FLA_TWO, beta ); bl1_cdot( BLIS1_CONJUGATE, m_ahead, a21, rs_A, z21, rs_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, rs_Z ); bl1_cscalv( BLIS1_NO_CONJUGATE, m_ahead, &inv_tau11, z21, rs_Z ); // FLA_Copy( first_elem, a21_t ); *a21_t = first_elem; } /*------------------------------------------------------------*/ } // FLA_Obj_free( &d ); // FLA_Obj_free( &f ); FLA_free( buff_d ); FLA_free( buff_f ); return FLA_SUCCESS; }
FLA_Error FLA_Tridiag_UT_l_step_opd_var3 | ( | int | m_A, |
int | m_T, | ||
double * | buff_A, | ||
int | rs_A, | ||
int | cs_A, | ||
double * | buff_Z, | ||
int | rs_Z, | ||
int | cs_Z, | ||
double * | buff_T, | ||
int | rs_T, | ||
int | cs_T | ||
) |
References bl1_daxpyv(), bl1_dcopyv(), bl1_ddot(), bl1_dgemv(), bl1_dscalv(), bl1_dsetm(), bl1_dsymv(), BLIS1_CONJ_TRANSPOSE, BLIS1_CONJUGATE, BLIS1_LOWER_TRIANGULAR, BLIS1_NO_CONJUGATE, BLIS1_NO_TRANSPOSE, 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_var3().
{ 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, last_elem; double beta; double inv_tau11; double minus_inv_tau11; int i; // b_alg = FLA_Obj_length( T ); int b_alg = m_T; // FLA_Obj_create( datatype_A, m_A, 1, 0, 0, &d ); // FLA_Obj_create( datatype_A, m_A, 1, 0, 0, &f ); double* buff_d = ( double* ) FLA_malloc( m_A * sizeof( *buff_A ) ); double* buff_f = ( double* ) FLA_malloc( m_A * sizeof( *buff_A ) ); int inc_d = 1; int inc_f = 1; // FLA_Set( FLA_ZERO, Z ); bl1_dsetm( m_A, b_alg, buff_0, buff_Z, rs_Z, cs_Z ); for ( i = 0; i < b_alg; ++i ) { double* a10t = buff_A + (0 )*cs_A + (i )*rs_A; 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* z10t = buff_Z + (0 )*cs_Z + (i )*rs_Z; double* Z20 = buff_Z + (0 )*cs_Z + (i+1)*rs_Z; double* z21 = buff_Z + (i )*cs_Z + (i+1)*rs_Z; double* t01 = buff_T + (i )*cs_T + (0 )*rs_T; double* tau11 = buff_T + (i )*cs_T + (i )*rs_T; double* d01 = buff_d + (0 )*inc_d; double* f01 = buff_f + (0 )*inc_f; double* a10t_r = a10t + (i-1)*cs_A + (0 )*rs_A; double* a21_t = a21 + (0 )*cs_A + (0 )*rs_A; double* a21_b = a21 + (0 )*cs_A + (1 )*rs_A; double* ABL = a10t; double* ZBL = z10t; double* a2 = alpha11; int m_ahead = m_A - i - 1; int m_behind = i; int n_behind = i; /*------------------------------------------------------------*/ if ( m_behind > 0 ) { // FLA_Copy( a10t_r, last_elem ); // FLA_Set( FLA_ONE, a10t_r ); last_elem = *a10t_r; *a10t_r = *buff_1; } // FLA_Gemvc( FLA_NO_TRANSPOSE, FLA_CONJUGATE, FLA_MINUS_ONE, ABL, z10t, FLA_ONE, a2 ); // FLA_Gemvc( FLA_NO_TRANSPOSE, FLA_CONJUGATE, FLA_MINUS_ONE, ZBL, a10t, FLA_ONE, a2 ); bl1_dgemv( BLIS1_NO_TRANSPOSE, BLIS1_CONJUGATE, m_ahead + 1, n_behind, buff_m1, ABL, rs_A, cs_A, z10t, cs_Z, buff_1, a2, rs_A ); bl1_dgemv( BLIS1_NO_TRANSPOSE, BLIS1_CONJUGATE, m_ahead + 1, n_behind, buff_m1, ZBL, rs_Z, cs_Z, a10t, cs_A, buff_1, a2, rs_A ); if ( m_behind > 0 ) { // FLA_Copy( last_elem, a10t_r ); *a10t_r = last_elem; } 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; // FLA_Hemv( FLA_LOWER_TRIANGULAR, FLA_ONE, A22, a21, FLA_ZERO, z21 ); bl1_dsymv( BLIS1_LOWER_TRIANGULAR, m_ahead, buff_1, A22, rs_A, cs_A, a21, rs_A, buff_0, z21, rs_Z ); // FLA_Gemv( FLA_CONJ_TRANSPOSE, FLA_ONE, A20, a21, FLA_ZERO, d01 ); // FLA_Gemv( FLA_CONJ_TRANSPOSE, FLA_ONE, Z20, a21, FLA_ZERO, f01 ); bl1_dgemv( BLIS1_CONJ_TRANSPOSE, BLIS1_NO_CONJUGATE, m_ahead, n_behind, buff_1, A20, rs_A, cs_A, a21, rs_A, buff_0, d01, inc_d ); bl1_dgemv( BLIS1_CONJ_TRANSPOSE, BLIS1_NO_CONJUGATE, m_ahead, n_behind, buff_1, Z20, rs_Z, cs_Z, a21, rs_A, buff_0, f01, inc_f ); // FLA_Gemv( FLA_NO_TRANSPOSE, FLA_MINUS_ONE, A20, f01, FLA_ONE, z21 ); // FLA_Gemv( FLA_NO_TRANSPOSE, FLA_MINUS_ONE, Z20, d01, FLA_ONE, z21 ); bl1_dgemv( BLIS1_NO_TRANSPOSE, BLIS1_NO_CONJUGATE, m_ahead, n_behind, buff_m1, A20, rs_A, cs_A, f01, inc_f, buff_1, z21, rs_Z ); bl1_dgemv( BLIS1_NO_TRANSPOSE, BLIS1_NO_CONJUGATE, m_ahead, n_behind, buff_m1, Z20, rs_Z, cs_Z, d01, inc_d, buff_1, z21, rs_Z ); // FLA_Copy( d01, t01 ); bl1_dcopyv( BLIS1_NO_CONJUGATE, n_behind, d01, inc_d, t01, rs_T ); // FLA_Dotc( FLA_CONJUGATE, a21, z21, beta ); // FLA_Inv_scal( FLA_TWO, beta ); bl1_ddot( BLIS1_CONJUGATE, m_ahead, a21, rs_A, z21, rs_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, rs_Z ); bl1_dscalv( BLIS1_NO_CONJUGATE, m_ahead, &inv_tau11, z21, rs_Z ); // FLA_Copy( first_elem, a21_t ); *a21_t = first_elem; } /*------------------------------------------------------------*/ } // FLA_Obj_free( &d ); // FLA_Obj_free( &f ); FLA_free( buff_d ); FLA_free( buff_f ); return FLA_SUCCESS; }
FLA_Error FLA_Tridiag_UT_l_step_ops_var3 | ( | int | m_A, |
int | m_T, | ||
float * | buff_A, | ||
int | rs_A, | ||
int | cs_A, | ||
float * | buff_Z, | ||
int | rs_Z, | ||
int | cs_Z, | ||
float * | buff_T, | ||
int | rs_T, | ||
int | cs_T | ||
) |
References bl1_saxpyv(), bl1_scopyv(), bl1_sdot(), bl1_sgemv(), bl1_sscalv(), bl1_ssetm(), bl1_ssymv(), BLIS1_CONJ_TRANSPOSE, BLIS1_CONJUGATE, BLIS1_LOWER_TRIANGULAR, BLIS1_NO_CONJUGATE, BLIS1_NO_TRANSPOSE, 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_var3().
{ 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, last_elem; float beta; float inv_tau11; float minus_inv_tau11; int i; // b_alg = FLA_Obj_length( T ); int b_alg = m_T; // FLA_Obj_create( datatype_A, m_A, 1, 0, 0, &d ); // FLA_Obj_create( datatype_A, m_A, 1, 0, 0, &f ); float* buff_d = ( float* ) FLA_malloc( m_A * sizeof( *buff_A ) ); float* buff_f = ( float* ) FLA_malloc( m_A * sizeof( *buff_A ) ); int inc_d = 1; int inc_f = 1; // FLA_Set( FLA_ZERO, Z ); bl1_ssetm( m_A, b_alg, buff_0, buff_Z, rs_Z, cs_Z ); for ( i = 0; i < b_alg; ++i ) { float* a10t = buff_A + (0 )*cs_A + (i )*rs_A; 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* z10t = buff_Z + (0 )*cs_Z + (i )*rs_Z; float* Z20 = buff_Z + (0 )*cs_Z + (i+1)*rs_Z; float* z21 = buff_Z + (i )*cs_Z + (i+1)*rs_Z; float* t01 = buff_T + (i )*cs_T + (0 )*rs_T; float* tau11 = buff_T + (i )*cs_T + (i )*rs_T; float* d01 = buff_d + (0 )*inc_d; float* f01 = buff_f + (0 )*inc_f; float* a10t_r = a10t + (i-1)*cs_A + (0 )*rs_A; float* a21_t = a21 + (0 )*cs_A + (0 )*rs_A; float* a21_b = a21 + (0 )*cs_A + (1 )*rs_A; float* ABL = a10t; float* ZBL = z10t; float* a2 = alpha11; int m_ahead = m_A - i - 1; int m_behind = i; int n_behind = i; /*------------------------------------------------------------*/ if ( m_behind > 0 ) { // FLA_Copy( a10t_r, last_elem ); // FLA_Set( FLA_ONE, a10t_r ); last_elem = *a10t_r; *a10t_r = *buff_1; } // FLA_Gemvc( FLA_NO_TRANSPOSE, FLA_CONJUGATE, FLA_MINUS_ONE, ABL, z10t, FLA_ONE, a2 ); // FLA_Gemvc( FLA_NO_TRANSPOSE, FLA_CONJUGATE, FLA_MINUS_ONE, ZBL, a10t, FLA_ONE, a2 ); bl1_sgemv( BLIS1_NO_TRANSPOSE, BLIS1_CONJUGATE, m_ahead + 1, n_behind, buff_m1, ABL, rs_A, cs_A, z10t, cs_Z, buff_1, a2, rs_A ); bl1_sgemv( BLIS1_NO_TRANSPOSE, BLIS1_CONJUGATE, m_ahead + 1, n_behind, buff_m1, ZBL, rs_Z, cs_Z, a10t, cs_A, buff_1, a2, rs_A ); if ( m_behind > 0 ) { // FLA_Copy( last_elem, a10t_r ); *a10t_r = last_elem; } 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; // FLA_Hemv( FLA_LOWER_TRIANGULAR, FLA_ONE, A22, a21, FLA_ZERO, z21 ); bl1_ssymv( BLIS1_LOWER_TRIANGULAR, m_ahead, buff_1, A22, rs_A, cs_A, a21, rs_A, buff_0, z21, rs_Z ); // FLA_Gemv( FLA_CONJ_TRANSPOSE, FLA_ONE, A20, a21, FLA_ZERO, d01 ); // FLA_Gemv( FLA_CONJ_TRANSPOSE, FLA_ONE, Z20, a21, FLA_ZERO, f01 ); bl1_sgemv( BLIS1_CONJ_TRANSPOSE, BLIS1_NO_CONJUGATE, m_ahead, n_behind, buff_1, A20, rs_A, cs_A, a21, rs_A, buff_0, d01, inc_d ); bl1_sgemv( BLIS1_CONJ_TRANSPOSE, BLIS1_NO_CONJUGATE, m_ahead, n_behind, buff_1, Z20, rs_Z, cs_Z, a21, rs_A, buff_0, f01, inc_f ); // FLA_Gemv( FLA_NO_TRANSPOSE, FLA_MINUS_ONE, A20, f01, FLA_ONE, z21 ); // FLA_Gemv( FLA_NO_TRANSPOSE, FLA_MINUS_ONE, Z20, d01, FLA_ONE, z21 ); bl1_sgemv( BLIS1_NO_TRANSPOSE, BLIS1_NO_CONJUGATE, m_ahead, n_behind, buff_m1, A20, rs_A, cs_A, f01, inc_f, buff_1, z21, rs_Z ); bl1_sgemv( BLIS1_NO_TRANSPOSE, BLIS1_NO_CONJUGATE, m_ahead, n_behind, buff_m1, Z20, rs_Z, cs_Z, d01, inc_d, buff_1, z21, rs_Z ); // FLA_Copy( d01, t01 ); bl1_scopyv( BLIS1_NO_CONJUGATE, n_behind, d01, inc_d, t01, rs_T ); // FLA_Dotc( FLA_CONJUGATE, a21, z21, beta ); // FLA_Inv_scal( FLA_TWO, beta ); bl1_sdot( BLIS1_CONJUGATE, m_ahead, a21, rs_A, z21, rs_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, rs_Z ); bl1_sscalv( BLIS1_NO_CONJUGATE, m_ahead, &inv_tau11, z21, rs_Z ); // FLA_Copy( first_elem, a21_t ); *a21_t = first_elem; } /*------------------------------------------------------------*/ } // FLA_Obj_free( &d ); // FLA_Obj_free( &f ); FLA_free( buff_d ); FLA_free( buff_f ); return FLA_SUCCESS; }
FLA_Error FLA_Tridiag_UT_l_step_opt_var3 | ( | FLA_Obj | A, |
FLA_Obj | Z, | ||
FLA_Obj | T | ||
) |
References FLA_Obj_col_stride(), FLA_Obj_datatype(), FLA_Obj_length(), FLA_Obj_row_stride(), FLA_Tridiag_UT_l_step_opc_var3(), FLA_Tridiag_UT_l_step_opd_var3(), FLA_Tridiag_UT_l_step_ops_var3(), and FLA_Tridiag_UT_l_step_opz_var3().
Referenced by FLA_Tridiag_UT_l_blk_var3(), and FLA_Tridiag_UT_l_opt_var3().
{ FLA_Datatype datatype; int m_A, m_T; int rs_A, cs_A; int rs_Z, cs_Z; 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_Z = FLA_Obj_row_stride( Z ); cs_Z = FLA_Obj_col_stride( Z ); 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_Z = FLA_FLOAT_PTR( Z ); float* buff_T = FLA_FLOAT_PTR( T ); FLA_Tridiag_UT_l_step_ops_var3( m_A, m_T, buff_A, rs_A, cs_A, buff_Z, rs_Z, cs_Z, buff_T, rs_T, cs_T ); break; } case FLA_DOUBLE: { double* buff_A = FLA_DOUBLE_PTR( A ); double* buff_Z = FLA_DOUBLE_PTR( Z ); double* buff_T = FLA_DOUBLE_PTR( T ); FLA_Tridiag_UT_l_step_opd_var3( m_A, m_T, buff_A, rs_A, cs_A, buff_Z, rs_Z, cs_Z, buff_T, rs_T, cs_T ); break; } case FLA_COMPLEX: { scomplex* buff_A = FLA_COMPLEX_PTR( A ); scomplex* buff_Z = FLA_COMPLEX_PTR( Z ); scomplex* buff_T = FLA_COMPLEX_PTR( T ); FLA_Tridiag_UT_l_step_opc_var3( m_A, m_T, buff_A, rs_A, cs_A, buff_Z, rs_Z, cs_Z, buff_T, rs_T, cs_T ); break; } case FLA_DOUBLE_COMPLEX: { dcomplex* buff_A = FLA_DOUBLE_COMPLEX_PTR( A ); dcomplex* buff_Z = FLA_DOUBLE_COMPLEX_PTR( Z ); dcomplex* buff_T = FLA_DOUBLE_COMPLEX_PTR( T ); FLA_Tridiag_UT_l_step_opz_var3( m_A, m_T, buff_A, rs_A, cs_A, buff_Z, rs_Z, cs_Z, buff_T, rs_T, cs_T ); break; } } return FLA_SUCCESS; }
FLA_Error FLA_Tridiag_UT_l_step_opz_var3 | ( | int | m_A, |
int | m_T, | ||
dcomplex * | buff_A, | ||
int | rs_A, | ||
int | cs_A, | ||
dcomplex * | buff_Z, | ||
int | rs_Z, | ||
int | cs_Z, | ||
dcomplex * | buff_T, | ||
int | rs_T, | ||
int | cs_T | ||
) |
References bl1_zaxpyv(), bl1_zcopyv(), bl1_zdot(), bl1_zgemv(), bl1_zhemv(), bl1_zscalv(), bl1_zsetm(), BLIS1_CONJ_TRANSPOSE, BLIS1_CONJUGATE, BLIS1_LOWER_TRIANGULAR, BLIS1_NO_CONJUGATE, BLIS1_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_var3().
{ 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, last_elem; dcomplex beta; dcomplex inv_tau11; dcomplex minus_inv_tau11; int i; // b_alg = FLA_Obj_length( T ); int b_alg = m_T; // FLA_Obj_create( datatype_A, m_A, 1, 0, 0, &d ); // FLA_Obj_create( datatype_A, m_A, 1, 0, 0, &f ); dcomplex* buff_d = ( dcomplex* ) FLA_malloc( m_A * sizeof( *buff_A ) ); dcomplex* buff_f = ( dcomplex* ) FLA_malloc( m_A * sizeof( *buff_A ) ); int inc_d = 1; int inc_f = 1; // FLA_Set( FLA_ZERO, Z ); bl1_zsetm( m_A, b_alg, buff_0, buff_Z, rs_Z, cs_Z ); for ( i = 0; i < b_alg; ++i ) { dcomplex* a10t = buff_A + (0 )*cs_A + (i )*rs_A; 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* z10t = buff_Z + (0 )*cs_Z + (i )*rs_Z; dcomplex* Z20 = buff_Z + (0 )*cs_Z + (i+1)*rs_Z; dcomplex* z21 = buff_Z + (i )*cs_Z + (i+1)*rs_Z; dcomplex* t01 = buff_T + (i )*cs_T + (0 )*rs_T; dcomplex* tau11 = buff_T + (i )*cs_T + (i )*rs_T; dcomplex* d01 = buff_d + (0 )*inc_d; dcomplex* f01 = buff_f + (0 )*inc_f; dcomplex* a10t_r = a10t + (i-1)*cs_A + (0 )*rs_A; dcomplex* a21_t = a21 + (0 )*cs_A + (0 )*rs_A; dcomplex* a21_b = a21 + (0 )*cs_A + (1 )*rs_A; dcomplex* ABL = a10t; dcomplex* ZBL = z10t; dcomplex* a2 = alpha11; int m_ahead = m_A - i - 1; int m_behind = i; int n_behind = i; /*------------------------------------------------------------*/ if ( m_behind > 0 ) { // FLA_Copy( a10t_r, last_elem ); // FLA_Set( FLA_ONE, a10t_r ); last_elem = *a10t_r; *a10t_r = *buff_1; } // FLA_Gemvc( FLA_NO_TRANSPOSE, FLA_CONJUGATE, FLA_MINUS_ONE, ABL, z10t, FLA_ONE, a2 ); // FLA_Gemvc( FLA_NO_TRANSPOSE, FLA_CONJUGATE, FLA_MINUS_ONE, ZBL, a10t, FLA_ONE, a2 ); bl1_zgemv( BLIS1_NO_TRANSPOSE, BLIS1_CONJUGATE, m_ahead + 1, n_behind, buff_m1, ABL, rs_A, cs_A, z10t, cs_Z, buff_1, a2, rs_A ); bl1_zgemv( BLIS1_NO_TRANSPOSE, BLIS1_CONJUGATE, m_ahead + 1, n_behind, buff_m1, ZBL, rs_Z, cs_Z, a10t, cs_A, buff_1, a2, rs_A ); if ( m_behind > 0 ) { // FLA_Copy( last_elem, a10t_r ); *a10t_r = last_elem; } 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; // FLA_Hemv( FLA_LOWER_TRIANGULAR, FLA_ONE, A22, a21, FLA_ZERO, z21 ); bl1_zhemv( BLIS1_LOWER_TRIANGULAR, BLIS1_NO_CONJUGATE, m_ahead, buff_1, A22, rs_A, cs_A, a21, rs_A, buff_0, z21, rs_Z ); // FLA_Gemv( FLA_CONJ_TRANSPOSE, FLA_ONE, A20, a21, FLA_ZERO, d01 ); // FLA_Gemv( FLA_CONJ_TRANSPOSE, FLA_ONE, Z20, a21, FLA_ZERO, f01 ); bl1_zgemv( BLIS1_CONJ_TRANSPOSE, BLIS1_NO_CONJUGATE, m_ahead, n_behind, buff_1, A20, rs_A, cs_A, a21, rs_A, buff_0, d01, inc_d ); bl1_zgemv( BLIS1_CONJ_TRANSPOSE, BLIS1_NO_CONJUGATE, m_ahead, n_behind, buff_1, Z20, rs_Z, cs_Z, a21, rs_A, buff_0, f01, inc_f ); // FLA_Gemv( FLA_NO_TRANSPOSE, FLA_MINUS_ONE, A20, f01, FLA_ONE, z21 ); // FLA_Gemv( FLA_NO_TRANSPOSE, FLA_MINUS_ONE, Z20, d01, FLA_ONE, z21 ); bl1_zgemv( BLIS1_NO_TRANSPOSE, BLIS1_NO_CONJUGATE, m_ahead, n_behind, buff_m1, A20, rs_A, cs_A, f01, inc_f, buff_1, z21, rs_Z ); bl1_zgemv( BLIS1_NO_TRANSPOSE, BLIS1_NO_CONJUGATE, m_ahead, n_behind, buff_m1, Z20, rs_Z, cs_Z, d01, inc_d, buff_1, z21, rs_Z ); // FLA_Copy( d01, t01 ); bl1_zcopyv( BLIS1_NO_CONJUGATE, n_behind, d01, inc_d, t01, rs_T ); // FLA_Dotc( FLA_CONJUGATE, a21, z21, beta ); // FLA_Inv_scal( FLA_TWO, beta ); bl1_zdot( BLIS1_CONJUGATE, m_ahead, a21, rs_A, z21, rs_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, rs_Z ); bl1_zscalv( BLIS1_NO_CONJUGATE, m_ahead, &inv_tau11, z21, rs_Z ); // FLA_Copy( first_elem, a21_t ); *a21_t = first_elem; } /*------------------------------------------------------------*/ } // FLA_Obj_free( &d ); // FLA_Obj_free( &f ); FLA_free( buff_d ); FLA_free( buff_f ); return FLA_SUCCESS; }