SciPy

scipy.linalg.blas.dzasum

scipy.linalg.blas.dzasum = <fortran dzasum>
dzasum - Function signature:
s = dzasum(x,[n,offx,incx])
Required arguments:
x : input rank-1 array(‘D’) with bounds (*)
Optional arguments:
n := (len(x)-offx)/abs(incx) input int offx := 0 input int incx := 1 input int
Return objects:
s : float