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132 .\" ========================================================================
134 .IX Title "cublasDswap 3"
135 .TH cublasDswap 3 "Dec 2008" "NVIDIA CUBLAS" "NVIDIA CUBLAS Documentation"
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143 .IX Header "SYNOPSIS"
144 \&\f(CW\*(C`void cublasDswap (int n, double *x, int incx, double *y,
147 .IX Header "DESCRIPTION"
148 interchanges double-precision vector x with double-precision vector y.
149 For i = 0 to n \- 1, it interchanges
152 \& x[lx + i * incx] with y[ly + i * incy],
158 \& lx = 1 if incx >= 0, else
159 \& lx = 1 + (1 \- n) * incx;
162 ly is defined in a similar manner using incy.
167 number of elements in input vectors
170 double-precision vector with n elements
173 storage spacing between elements of x
176 double-precision vector with n elements
179 storage spacing between elements of y
184 input vector y (unchanged if n <= 0)
187 input vector x (unchanged if n <= 0)
189 .IX Header "ERROR STATUS"
190 Error status for this function can be retrieved via \fIcublasGetError()\fR.
191 .IP "\s-1CUBLAS_STATUS_NOT_INITIALIZED\s0" 4
192 .IX Item "CUBLAS_STATUS_NOT_INITIALIZED"
193 if \s-1CUBLAS\s0 library was not initialized
194 .IP "\s-1CUBLAS_STATUS_EXECUTION_FAILED\s0" 4
195 .IX Item "CUBLAS_STATUS_EXECUTION_FAILED"
196 if function failed to launch on \s-1GPU\s0
199 Double-precision is only supported on devices of compute capability 1.3
201 .IX Header "SEE ALSO"
202 Reference: http://www.netlib.org/blas/dswap.f