[136] | 1 | // This file is part of Eigen, a lightweight C++ template library
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| 2 | // for linear algebra.
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| 3 | //
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| 4 | // Copyright (C) 2009 Gael Guennebaud <gael.guennebaud@inria.fr>
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| 5 | // Copyright (C) 2012 Chen-Pang He <jdh8@ms63.hinet.net>
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| 6 | //
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| 7 | // This Source Code Form is subject to the terms of the Mozilla
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| 8 | // Public License v. 2.0. If a copy of the MPL was not distributed
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| 9 | // with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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| 10 |
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| 11 | #define SCALAR double
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| 12 | #define SCALAR_SUFFIX d
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| 13 | #define SCALAR_SUFFIX_UP "D"
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| 14 | #define ISCOMPLEX 0
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| 15 |
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| 16 | #include "level1_impl.h"
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| 17 | #include "level1_real_impl.h"
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| 18 | #include "level2_impl.h"
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| 19 | #include "level2_real_impl.h"
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| 20 | #include "level3_impl.h"
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| 21 |
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| 22 | double BLASFUNC(dsdot)(int* n, float* x, int* incx, float* y, int* incy)
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| 23 | {
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| 24 | if(*n<=0) return 0;
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| 25 |
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| 26 | if(*incx==1 && *incy==1) return (vector(x,*n).cast<double>().cwiseProduct(vector(y,*n).cast<double>())).sum();
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| 27 | else if(*incx>0 && *incy>0) return (vector(x,*n,*incx).cast<double>().cwiseProduct(vector(y,*n,*incy).cast<double>())).sum();
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| 28 | else if(*incx<0 && *incy>0) return (vector(x,*n,-*incx).reverse().cast<double>().cwiseProduct(vector(y,*n,*incy).cast<double>())).sum();
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| 29 | else if(*incx>0 && *incy<0) return (vector(x,*n,*incx).cast<double>().cwiseProduct(vector(y,*n,-*incy).reverse().cast<double>())).sum();
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| 30 | else if(*incx<0 && *incy<0) return (vector(x,*n,-*incx).reverse().cast<double>().cwiseProduct(vector(y,*n,-*incy).reverse().cast<double>())).sum();
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| 31 | else return 0;
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| 32 | }
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| 33 |
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