diff options
Diffstat (limited to 'blas/single.cpp')
| -rw-r--r-- | blas/single.cpp | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/blas/single.cpp b/blas/single.cpp index d549a906e..9516398ba 100644 --- a/blas/single.cpp +++ b/blas/single.cpp @@ -19,18 +19,16 @@ #include "level2_real_impl.h" #include "level3_impl.h" -float BLASFUNC(sdsdot)(int* n, float* alpha, float* px, int* incx, float* py, int* incy) +float BLASFUNC(sdsdot)(int* n, float* alpha, float* x, int* incx, float* y, int* incy) { - float* x = reinterpret_cast<float*>(px); - float* y = reinterpret_cast<float*>(py); - float ret = *alpha; + float res = *alpha; if(*n>0) { - if(*incx==1 && *incy==1) ret += (vector(x,*n).cwiseProduct(vector(y,*n))).sum(); - else if(*incx>0 && *incy>0) ret += (vector(x,*n,*incx).cwiseProduct(vector(y,*n,*incy))).sum(); - else if(*incx<0 && *incy>0) ret += (vector(x,*n,-*incx).reverse().cwiseProduct(vector(y,*n,*incy))).sum(); - else if(*incx>0 && *incy<0) ret += (vector(x,*n,*incx).cwiseProduct(vector(y,*n,-*incy).reverse())).sum(); - else if(*incx<0 && *incy<0) ret += (vector(x,*n,-*incx).reverse().cwiseProduct(vector(y,*n,-*incy).reverse())).sum(); + 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 ret; + return res; } |