libflame revision_anchor
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Functions | |
FLA_Error | FLA_Tridiag_UT_l_ofu_var3 (FLA_Obj A, FLA_Obj T) |
FLA_Error | FLA_Tridiag_UT_l_step_ofu_var3 (FLA_Obj A, FLA_Obj Z, FLA_Obj T) |
FLA_Error | FLA_Tridiag_UT_l_step_ofs_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_ofd_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_ofc_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_ofz_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 FLA_Obj_create_conf_to(), FLA_Obj_free(), and FLA_Tridiag_UT_l_step_ofu_var3().
{ FLA_Error r_val; FLA_Obj Z; FLA_Obj_create_conf_to( FLA_NO_TRANSPOSE, A, &Z ); r_val = FLA_Tridiag_UT_l_step_ofu_var3( A, Z, T ); FLA_Obj_free( &Z ); return r_val; }
FLA_Error FLA_Tridiag_UT_l_step_ofc_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 bli_caxpyv(), bli_cdot(), bli_cgemv(), bli_chemv(), bli_cscalv(), bli_csetm(), FLA_Fused_UZhu_ZUhu_opc_var1(), FLA_Househ2_UT_l_opc(), FLA_MINUS_ONE, FLA_ONE, FLA_TWO, and FLA_ZERO.
Referenced by FLA_Tridiag_UT_l_step_ofu_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_set_to_scalar( FLA_ZERO, Z ); bli_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* 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_Obj_set_to_scalar( 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 ); bli_cgemv( BLIS_NO_TRANSPOSE, BLIS_CONJUGATE, m_ahead + 1, n_behind, buff_m1, ABL, rs_A, cs_A, z10t, cs_Z, buff_1, a2, rs_A ); bli_cgemv( BLIS_NO_TRANSPOSE, BLIS_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_Obj_set_to_scalar( 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_Obj_set_to_scalar( FLA_ONE, a21_t ); first_elem = *a21_t; *a21_t = *buff_1; // FLA_Hemv( FLA_LOWER_TRIANGULAR, FLA_ONE, A22, a21, FLA_ZERO, z21 ); bli_chemv( BLIS_LOWER_TRIANGULAR, BLIS_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 ); // 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 ); FLA_Fused_UZhu_ZUhu_opc_var1( m_ahead, n_behind, buff_m1, A20, rs_A, cs_A, Z20, rs_Z, cs_Z, a21, rs_A, z21, rs_Z ); // FLA_Dotc( FLA_CONJUGATE, a21, z21, beta ); // FLA_Inv_scal( FLA_TWO, beta ); bli_cdot( BLIS_CONJUGATE, m_ahead, a21, rs_A, z21, rs_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, rs_Z ); bli_cscalv( BLIS_NO_CONJUGATE, m_ahead, &inv_tau11, z21, rs_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; } /*------------------------------------------------------------*/ } return FLA_SUCCESS; }
FLA_Error FLA_Tridiag_UT_l_step_ofd_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 bli_daxpyv(), bli_ddot(), bli_dgemv(), bli_dscalv(), bli_dsetm(), bli_dsymv(), FLA_Fused_UZhu_ZUhu_opd_var1(), FLA_Househ2_UT_l_opd(), FLA_MINUS_ONE, FLA_ONE, FLA_TWO, and FLA_ZERO.
Referenced by FLA_Tridiag_UT_l_step_ofu_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_set_to_scalar( FLA_ZERO, Z ); bli_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* 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_Obj_set_to_scalar( 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 ); bli_dgemv( BLIS_NO_TRANSPOSE, BLIS_CONJUGATE, m_ahead + 1, n_behind, buff_m1, ABL, rs_A, cs_A, z10t, cs_Z, buff_1, a2, rs_A ); bli_dgemv( BLIS_NO_TRANSPOSE, BLIS_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_Obj_set_to_scalar( 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_Obj_set_to_scalar( FLA_ONE, a21_t ); first_elem = *a21_t; *a21_t = *buff_1; // FLA_Hemv( FLA_LOWER_TRIANGULAR, FLA_ONE, A22, a21, FLA_ZERO, z21 ); bli_dsymv( BLIS_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 ); // 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 ); FLA_Fused_UZhu_ZUhu_opd_var1( m_ahead, n_behind, buff_m1, A20, rs_A, cs_A, Z20, rs_Z, cs_Z, a21, rs_A, z21, rs_Z ); // FLA_Dotc( FLA_CONJUGATE, a21, z21, beta ); // FLA_Inv_scal( FLA_TWO, beta ); bli_ddot( BLIS_CONJUGATE, m_ahead, a21, rs_A, z21, rs_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, rs_Z ); bli_dscalv( BLIS_NO_CONJUGATE, m_ahead, &inv_tau11, z21, rs_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; } /*------------------------------------------------------------*/ } return FLA_SUCCESS; }
FLA_Error FLA_Tridiag_UT_l_step_ofs_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 bli_saxpyv(), bli_sdot(), bli_sgemv(), bli_sscalv(), bli_ssetm(), bli_ssymv(), FLA_Fused_UZhu_ZUhu_ops_var1(), FLA_Househ2_UT_l_ops(), FLA_MINUS_ONE, FLA_ONE, FLA_TWO, and FLA_ZERO.
Referenced by FLA_Tridiag_UT_l_step_ofu_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_set_to_scalar( FLA_ZERO, Z ); bli_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* 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_Obj_set_to_scalar( 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 ); bli_sgemv( BLIS_NO_TRANSPOSE, BLIS_CONJUGATE, m_ahead + 1, n_behind, buff_m1, ABL, rs_A, cs_A, z10t, cs_Z, buff_1, a2, rs_A ); bli_sgemv( BLIS_NO_TRANSPOSE, BLIS_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_Obj_set_to_scalar( 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_Obj_set_to_scalar( FLA_ONE, a21_t ); first_elem = *a21_t; *a21_t = *buff_1; // FLA_Hemv( FLA_LOWER_TRIANGULAR, FLA_ONE, A22, a21, FLA_ZERO, z21 ); bli_ssymv( BLIS_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 ); // 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 ); FLA_Fused_UZhu_ZUhu_ops_var1( m_ahead, n_behind, buff_m1, A20, rs_A, cs_A, Z20, rs_Z, cs_Z, a21, rs_A, z21, rs_Z ); // FLA_Dotc( FLA_CONJUGATE, a21, z21, beta ); // FLA_Inv_scal( FLA_TWO, beta ); bli_sdot( BLIS_CONJUGATE, m_ahead, a21, rs_A, z21, rs_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, rs_Z ); bli_sscalv( BLIS_NO_CONJUGATE, m_ahead, &inv_tau11, z21, rs_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; } /*------------------------------------------------------------*/ } return FLA_SUCCESS; }
References FLA_Obj_col_stride(), FLA_Obj_datatype(), FLA_Obj_length(), FLA_Obj_row_stride(), FLA_Tridiag_UT_l_step_ofc_var3(), FLA_Tridiag_UT_l_step_ofd_var3(), FLA_Tridiag_UT_l_step_ofs_var3(), and FLA_Tridiag_UT_l_step_ofz_var3().
Referenced by FLA_Tridiag_UT_l_ofu_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_ofs_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_ofd_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_ofc_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_ofz_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_ofz_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 bli_zaxpyv(), bli_zdot(), bli_zgemv(), bli_zhemv(), bli_zscalv(), bli_zsetm(), FLA_Fused_UZhu_ZUhu_opz_var1(), FLA_Househ2_UT_l_opz(), FLA_MINUS_ONE, FLA_ONE, FLA_TWO, and FLA_ZERO.
Referenced by FLA_Tridiag_UT_l_step_ofu_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_set_to_scalar( FLA_ZERO, Z ); bli_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* 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_Obj_set_to_scalar( 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 ); bli_zgemv( BLIS_NO_TRANSPOSE, BLIS_CONJUGATE, m_ahead + 1, n_behind, buff_m1, ABL, rs_A, cs_A, z10t, cs_Z, buff_1, a2, rs_A ); bli_zgemv( BLIS_NO_TRANSPOSE, BLIS_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_Obj_set_to_scalar( 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_Obj_set_to_scalar( FLA_ONE, a21_t ); first_elem = *a21_t; *a21_t = *buff_1; // FLA_Hemv( FLA_LOWER_TRIANGULAR, FLA_ONE, A22, a21, FLA_ZERO, z21 ); bli_zhemv( BLIS_LOWER_TRIANGULAR, BLIS_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 ); // 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 ); FLA_Fused_UZhu_ZUhu_opz_var1( m_ahead, n_behind, buff_m1, A20, rs_A, cs_A, Z20, rs_Z, cs_Z, a21, rs_A, z21, rs_Z ); // FLA_Dotc( FLA_CONJUGATE, a21, z21, beta ); // FLA_Inv_scal( FLA_TWO, beta ); bli_zdot( BLIS_CONJUGATE, m_ahead, a21, rs_A, z21, rs_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, rs_Z ); bli_zscalv( BLIS_NO_CONJUGATE, m_ahead, &inv_tau11, z21, rs_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; } /*------------------------------------------------------------*/ } return FLA_SUCCESS; }