diff options
Diffstat (limited to 'blas/level1_cplx_impl.h')
| -rw-r--r-- | blas/level1_cplx_impl.h | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/blas/level1_cplx_impl.h b/blas/level1_cplx_impl.h index e268bb812..299a4ac00 100644 --- a/blas/level1_cplx_impl.h +++ b/blas/level1_cplx_impl.h @@ -52,7 +52,7 @@ RealScalar EIGEN_CAT(EIGEN_CAT(REAL_SCALAR_SUFFIX,SCALAR_SUFFIX),asum_)(int *n, } // computes a dot product of a conjugated vector with another vector. -Scalar EIGEN_BLAS_FUNC(dotc)(int *n, RealScalar *px, int *incx, RealScalar *py, int *incy) +int EIGEN_BLAS_FUNC(dotcw)(int *n, RealScalar *px, int *incx, RealScalar *py, int *incy, RealScalar* pres) { // std::cerr << "_dotc " << *n << " " << *incx << " " << *incy << "\n"; @@ -60,18 +60,18 @@ Scalar EIGEN_BLAS_FUNC(dotc)(int *n, RealScalar *px, int *incx, RealScalar *py, Scalar* x = reinterpret_cast<Scalar*>(px); Scalar* y = reinterpret_cast<Scalar*>(py); + Scalar* res = reinterpret_cast<Scalar*>(pres); - Scalar res; - if(*incx==1 && *incy==1) res = (vector(x,*n).dot(vector(y,*n))); - else if(*incx>0 && *incy>0) res = (vector(x,*n,*incx).dot(vector(y,*n,*incy))); - else if(*incx<0 && *incy>0) res = (vector(x,*n,-*incx).reverse().dot(vector(y,*n,*incy))); - else if(*incx>0 && *incy<0) res = (vector(x,*n,*incx).dot(vector(y,*n,-*incy).reverse())); - else if(*incx<0 && *incy<0) res = (vector(x,*n,-*incx).reverse().dot(vector(y,*n,-*incy).reverse())); - return res; + if(*incx==1 && *incy==1) *res = (vector(x,*n).dot(vector(y,*n))); + else if(*incx>0 && *incy>0) *res = (vector(x,*n,*incx).dot(vector(y,*n,*incy))); + else if(*incx<0 && *incy>0) *res = (vector(x,*n,-*incx).reverse().dot(vector(y,*n,*incy))); + else if(*incx>0 && *incy<0) *res = (vector(x,*n,*incx).dot(vector(y,*n,-*incy).reverse())); + else if(*incx<0 && *incy<0) *res = (vector(x,*n,-*incx).reverse().dot(vector(y,*n,-*incy).reverse())); + return 0; } // computes a vector-vector dot product without complex conjugation. -Scalar EIGEN_BLAS_FUNC(dotu)(int *n, RealScalar *px, int *incx, RealScalar *py, int *incy) +int EIGEN_BLAS_FUNC(dotuw)(int *n, RealScalar *px, int *incx, RealScalar *py, int *incy, RealScalar* pres) { // std::cerr << "_dotu " << *n << " " << *incx << " " << *incy << "\n"; @@ -79,13 +79,14 @@ Scalar EIGEN_BLAS_FUNC(dotu)(int *n, RealScalar *px, int *incx, RealScalar *py, Scalar* x = reinterpret_cast<Scalar*>(px); Scalar* y = reinterpret_cast<Scalar*>(py); - Scalar res; - if(*incx==1 && *incy==1) res = (vector(x,*n).cwiseProduct(vector(y,*n))).sum(); - else if(*incx>0 && *incy>0) res = (vector(x,*n,*incx).cwiseProduct(vector(y,*n,*incy))).sum(); - else if(*incx<0 && *incy>0) res = (vector(x,*n,-*incx).reverse().cwiseProduct(vector(y,*n,*incy))).sum(); - else if(*incx>0 && *incy<0) res = (vector(x,*n,*incx).cwiseProduct(vector(y,*n,-*incy).reverse())).sum(); - else if(*incx<0 && *incy<0) res = (vector(x,*n,-*incx).reverse().cwiseProduct(vector(y,*n,-*incy).reverse())).sum(); - return res; + Scalar* res = reinterpret_cast<Scalar*>(pres); + + if(*incx==1 && *incy==1) *res = (vector(x,*n).cwiseProduct(vector(y,*n))).sum(); + else if(*incx>0 && *incy>0) *res = (vector(x,*n,*incx).cwiseProduct(vector(y,*n,*incy))).sum(); + else if(*incx<0 && *incy>0) *res = (vector(x,*n,-*incx).reverse().cwiseProduct(vector(y,*n,*incy))).sum(); + else if(*incx>0 && *incy<0) *res = (vector(x,*n,*incx).cwiseProduct(vector(y,*n,-*incy).reverse())).sum(); + else if(*incx<0 && *incy<0) *res = (vector(x,*n,-*incx).reverse().cwiseProduct(vector(y,*n,-*incy).reverse())).sum(); + return 0; } RealScalar EIGEN_CAT(EIGEN_CAT(REAL_SCALAR_SUFFIX,SCALAR_SUFFIX),nrm2_)(int *n, RealScalar *px, int *incx) |