* Helper: dispatch to appropriate cblas_?gemv for typenum. */
| 58 | * Helper: dispatch to appropriate cblas_?gemv for typenum. |
| 59 | */ |
| 60 | static void |
| 61 | gemv(int typenum, enum CBLAS_ORDER order, enum CBLAS_TRANSPOSE trans, |
| 62 | PyArrayObject *A, npy_intp lda, PyArrayObject *X, npy_intp incX, |
| 63 | PyArrayObject *R) |
| 64 | { |
| 65 | const void *Adata = PyArray_DATA(A), *Xdata = PyArray_DATA(X); |
| 66 | void *Rdata = PyArray_DATA(R); |
| 67 | |
| 68 | npy_intp m = PyArray_DIM(A, 0), n = PyArray_DIM(A, 1); |
| 69 | |
| 70 | switch (typenum) { |
| 71 | case NPY_DOUBLE: |
| 72 | CBLAS_FUNC(cblas_dgemv)(order, trans, m, n, 1., Adata, lda, Xdata, incX, |
| 73 | 0., Rdata, 1); |
| 74 | break; |
| 75 | case NPY_FLOAT: |
| 76 | CBLAS_FUNC(cblas_sgemv)(order, trans, m, n, 1.f, Adata, lda, Xdata, incX, |
| 77 | 0.f, Rdata, 1); |
| 78 | break; |
| 79 | case NPY_CDOUBLE: |
| 80 | CBLAS_FUNC(cblas_zgemv)(order, trans, m, n, oneD, Adata, lda, Xdata, incX, |
| 81 | zeroD, Rdata, 1); |
| 82 | break; |
| 83 | case NPY_CFLOAT: |
| 84 | CBLAS_FUNC(cblas_cgemv)(order, trans, m, n, oneF, Adata, lda, Xdata, incX, |
| 85 | zeroF, Rdata, 1); |
| 86 | break; |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | |
| 91 | /* |
no test coverage detected