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 // This file is part of Eigen, a lightweight C++ template library // for linear algebra. // // Copyright (C) 2009 Gael Guennebaud // Copyright (C) 2012 Chen-Pang He // // This Source Code Form is subject to the terms of the Mozilla // Public License v. 2.0. If a copy of the MPL was not distributed // with this file, You can obtain one at http://mozilla.org/MPL/2.0/. #define SCALAR double #define SCALAR_SUFFIX d #define SCALAR_SUFFIX_UP "D" #define ISCOMPLEX 0 #include "level1_impl.h" #include "level1_real_impl.h" #include "level2_impl.h" #include "level2_real_impl.h" #include "level3_impl.h" double BLASFUNC(dsdot)(int* n, float* x, int* incx, float* y, int* incy) { if(*n<=0) return 0; if(*incx==1 && *incy==1) return (make_vector(x,*n).cast().cwiseProduct(make_vector(y,*n).cast())).sum(); else if(*incx>0 && *incy>0) return (make_vector(x,*n,*incx).cast().cwiseProduct(make_vector(y,*n,*incy).cast())).sum(); else if(*incx<0 && *incy>0) return (make_vector(x,*n,-*incx).reverse().cast().cwiseProduct(make_vector(y,*n,*incy).cast())).sum(); else if(*incx>0 && *incy<0) return (make_vector(x,*n,*incx).cast().cwiseProduct(make_vector(y,*n,-*incy).reverse().cast())).sum(); else if(*incx<0 && *incy<0) return (make_vector(x,*n,-*incx).reverse().cast().cwiseProduct(make_vector(y,*n,-*incy).reverse().cast())).sum(); else return 0; }