Common operations on vectors such as addition and multiplication are available in the BLAS part of the library (see section BLAS Support). However, it is useful to have a small number of utility functions which do not require the full BLAS code. The following functions fall into this category.

__Function:__int**gsl_vector_memcpy***(gsl_vector **`dest`, const gsl_vector *`src`)-
This function copies the elements of the vector
`src`into the vector`dest`. The two vectors must have the same length.

__Function:__int**gsl_vector_swap***(gsl_vector **`v`, gsl_vector *`w`)-
This function exchanges the elements of the vectors
`v`and`w`by copying. The two vectors must have the same length.

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