diff options
Diffstat (limited to 'blas/level2_impl.h')
| -rw-r--r-- | blas/level2_impl.h | 77 |
1 files changed, 38 insertions, 39 deletions
diff --git a/blas/level2_impl.h b/blas/level2_impl.h index 5f3941975..233c7b753 100644 --- a/blas/level2_impl.h +++ b/blas/level2_impl.h @@ -58,8 +58,8 @@ int EIGEN_BLAS_FUNC(gemv)(char *opa, int *m, int *n, RealScalar *palpha, RealSca if(beta!=Scalar(1)) { - if(beta==Scalar(0)) vector(actual_c, actual_m).setZero(); - else vector(actual_c, actual_m) *= beta; + if(beta==Scalar(0)) make_vector(actual_c, actual_m).setZero(); + else make_vector(actual_c, actual_m) *= beta; } if(code>=4 || func[code]==0) @@ -206,7 +206,7 @@ int EIGEN_BLAS_FUNC(gbmv)(char *trans, int *m, int *n, int *kl, int *ku, RealSca Scalar alpha = *reinterpret_cast<Scalar*>(palpha); Scalar beta = *reinterpret_cast<Scalar*>(pbeta); int coeff_rows = *kl+*ku+1; - + int info = 0; if(OP(*trans)==INVALID) info = 1; else if(*m<0) info = 2; @@ -218,26 +218,26 @@ int EIGEN_BLAS_FUNC(gbmv)(char *trans, int *m, int *n, int *kl, int *ku, RealSca else if(*incy==0) info = 13; if(info) return xerbla_(SCALAR_SUFFIX_UP"GBMV ",&info,6); - + if(*m==0 || *n==0 || (alpha==Scalar(0) && beta==Scalar(1))) return 0; - + int actual_m = *m; int actual_n = *n; if(OP(*trans)!=NOTR) std::swap(actual_m,actual_n); - + Scalar* actual_x = get_compact_vector(x,actual_n,*incx); Scalar* actual_y = get_compact_vector(y,actual_m,*incy); - + if(beta!=Scalar(1)) { - if(beta==Scalar(0)) vector(actual_y, actual_m).setZero(); - else vector(actual_y, actual_m) *= beta; + if(beta==Scalar(0)) make_vector(actual_y, actual_m).setZero(); + else make_vector(actual_y, actual_m) *= beta; } - + MatrixType mat_coeffs(a,coeff_rows,*n,*lda); - + int nb = std::min(*n,(*m)+(*ku)); for(int j=0; j<nb; ++j) { @@ -246,16 +246,16 @@ int EIGEN_BLAS_FUNC(gbmv)(char *trans, int *m, int *n, int *kl, int *ku, RealSca int len = end - start + 1; int offset = (*ku) - j + start; if(OP(*trans)==NOTR) - vector(actual_y+start,len) += (alpha*actual_x[j]) * mat_coeffs.col(j).segment(offset,len); + make_vector(actual_y+start,len) += (alpha*actual_x[j]) * mat_coeffs.col(j).segment(offset,len); else if(OP(*trans)==TR) - actual_y[j] += alpha * ( mat_coeffs.col(j).segment(offset,len).transpose() * vector(actual_x+start,len) ).value(); + actual_y[j] += alpha * ( mat_coeffs.col(j).segment(offset,len).transpose() * make_vector(actual_x+start,len) ).value(); else - actual_y[j] += alpha * ( mat_coeffs.col(j).segment(offset,len).adjoint() * vector(actual_x+start,len) ).value(); - } - + actual_y[j] += alpha * ( mat_coeffs.col(j).segment(offset,len).adjoint() * make_vector(actual_x+start,len) ).value(); + } + if(actual_x!=x) delete[] actual_x; if(actual_y!=y) delete[] copy_back(actual_y,y,actual_m,*incy); - + return 0; } @@ -272,7 +272,7 @@ int EIGEN_BLAS_FUNC(tbmv)(char *uplo, char *opa, char *diag, int *n, int *k, Rea Scalar* a = reinterpret_cast<Scalar*>(pa); Scalar* x = reinterpret_cast<Scalar*>(px); int coeff_rows = *k + 1; - + int info = 0; if(UPLO(*uplo)==INVALID) info = 1; else if(OP(*opa)==INVALID) info = 2; @@ -283,37 +283,37 @@ int EIGEN_BLAS_FUNC(tbmv)(char *uplo, char *opa, char *diag, int *n, int *k, Rea else if(*incx==0) info = 9; if(info) return xerbla_(SCALAR_SUFFIX_UP"TBMV ",&info,6); - + if(*n==0) return 0; - + int actual_n = *n; - + Scalar* actual_x = get_compact_vector(x,actual_n,*incx); - + MatrixType mat_coeffs(a,coeff_rows,*n,*lda); - + int ku = UPLO(*uplo)==UPPER ? *k : 0; int kl = UPLO(*uplo)==LOWER ? *k : 0; - + for(int j=0; j<*n; ++j) { int start = std::max(0,j - ku); int end = std::min((*m)-1,j + kl); int len = end - start + 1; int offset = (ku) - j + start; - + if(OP(*trans)==NOTR) - vector(actual_y+start,len) += (alpha*actual_x[j]) * mat_coeffs.col(j).segment(offset,len); + make_vector(actual_y+start,len) += (alpha*actual_x[j]) * mat_coeffs.col(j).segment(offset,len); else if(OP(*trans)==TR) - actual_y[j] += alpha * ( mat_coeffs.col(j).segment(offset,len).transpose() * vector(actual_x+start,len) ).value(); + actual_y[j] += alpha * ( mat_coeffs.col(j).segment(offset,len).transpose() * make_vector(actual_x+start,len) ).value(); else - actual_y[j] += alpha * ( mat_coeffs.col(j).segment(offset,len).adjoint() * vector(actual_x+start,len) ).value(); - } - + actual_y[j] += alpha * ( mat_coeffs.col(j).segment(offset,len).adjoint() * make_vector(actual_x+start,len) ).value(); + } + if(actual_x!=x) delete[] actual_x; if(actual_y!=y) delete[] copy_back(actual_y,y,actual_m,*incy); - + return 0; } #endif @@ -362,7 +362,7 @@ int EIGEN_BLAS_FUNC(tbsv)(char *uplo, char *op, char *diag, int *n, int *k, Real Scalar* a = reinterpret_cast<Scalar*>(pa); Scalar* x = reinterpret_cast<Scalar*>(px); int coeff_rows = *k+1; - + int info = 0; if(UPLO(*uplo)==INVALID) info = 1; else if(OP(*op)==INVALID) info = 2; @@ -373,22 +373,22 @@ int EIGEN_BLAS_FUNC(tbsv)(char *uplo, char *op, char *diag, int *n, int *k, Real else if(*incx==0) info = 9; if(info) return xerbla_(SCALAR_SUFFIX_UP"TBSV ",&info,6); - + if(*n==0 || (*k==0 && DIAG(*diag)==UNIT)) return 0; - + int actual_n = *n; - + Scalar* actual_x = get_compact_vector(x,actual_n,*incx); - + int code = OP(*op) | (UPLO(*uplo) << 2) | (DIAG(*diag) << 3); if(code>=16 || func[code]==0) return 0; func[code](*n, *k, a, *lda, actual_x); - + if(actual_x!=x) delete[] copy_back(actual_x,x,actual_n,*incx); - + return 0; } @@ -521,4 +521,3 @@ int EIGEN_BLAS_FUNC(tpsv)(char *uplo, char *opa, char *diag, int *n, RealScalar return 1; } - |