CUBLAS Library

CHAPTER 2BLAS1 FunctionsReference: http://www.netlib.org/blas/srotg.fThis function does not set any error status.Function cublasSrotm()void cublasSrotm (int n, float *x, int incx, float *y,int incy, const float* sparam)applies the modified Givens transformation, h, to the 2×n matrixThe elements of x are in x[ lx + i * incx], i = 0 to n-1, wherelx = 1 if incx >= 0, elselx = 1 + ( 1 – n) * incx ;x Ty Ty is treated similarly using ly and incy.With sparam[0] = sflag, h has one of the following forms:sflag=-1.0fsflag = 0.0fh=sh00 sh01sh10 sh11h=1.0f sh01sh10 1.0fsflag = 1.0fh=sh00 1.0f-1.0f sh11sflag=h =-2.0f1.0f 0.0f0.0f 1.0fInputn number of elements in input vectors.x single-precision vector with n elements.incx storage spacing between elements of x.y single-precision vector with n elements.incy storage spacing between elements of y.sparam 5-element vector. sparam[0] is sflag described above. sparam[1]through sparam[4] contain the 2×2 rotation matrix h: sparam[1]contains sh00, sparam[2] contains sh10, sparam[3] containssh01, and sparam[4] contains sh11.PG-00000-002_V1.1 21NVIDIA