diff options
Diffstat (limited to 'blas/level1_cplx_impl.h')
| -rw-r--r-- | blas/level1_cplx_impl.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/blas/level1_cplx_impl.h b/blas/level1_cplx_impl.h index 4ac457175..6c7edd7eb 100644 --- a/blas/level1_cplx_impl.h +++ b/blas/level1_cplx_impl.h @@ -36,6 +36,28 @@ RealScalar EIGEN_CAT(REAL_SCALAR_SUFFIX, EIGEN_BLAS_FUNC(asum))(int *n, RealScal else return make_vector(x,*n,std::abs(*incx)).unaryExpr<scalar_norm1_op>().sum(); } +int EIGEN_CAT(i, EIGEN_BLAS_FUNC(amax))(int *n, RealScalar *px, int *incx) +{ + if(*n<=0) return 0; + Scalar* x = reinterpret_cast<Scalar*>(px); + + DenseIndex ret; + if(*incx==1) make_vector(x,*n).unaryExpr<scalar_norm1_op>().maxCoeff(&ret); + else make_vector(x,*n,std::abs(*incx)).unaryExpr<scalar_norm1_op>().maxCoeff(&ret); + return int(ret)+1; +} + +int EIGEN_CAT(i, EIGEN_BLAS_FUNC(amin))(int *n, RealScalar *px, int *incx) +{ + if(*n<=0) return 0; + Scalar* x = reinterpret_cast<Scalar*>(px); + + DenseIndex ret; + if(*incx==1) make_vector(x,*n).unaryExpr<scalar_norm1_op>().minCoeff(&ret); + else make_vector(x,*n,std::abs(*incx)).unaryExpr<scalar_norm1_op>().minCoeff(&ret); + return int(ret)+1; +} + // computes a dot product of a conjugated vector with another vector. int EIGEN_BLAS_FUNC(dotcw)(int *n, RealScalar *px, int *incx, RealScalar *py, int *incy, RealScalar* pres) { |