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Level 1 BLAS: vector ops
BLAS
Collaboration diagram for Level 1 BLAS: vector ops:

## Topics

| asum: sum | real( x_i ) | + | imag( x_i ) |
| sum1: sum | x_i | (in LAPACK)
| axpy: y = ax + y
| copy: y = x
| dot: x^H x and x^T x
| iamax: argmax_i | real( x_i ) | + | imag( x_i ) |
| imax1: argmax_i | x_i | (in LAPACK)
| nrm2: || x ||_2
| scal: x = alpha x
| swap: x <=> y
| — Givens/Jacobi plane rotations —
| rot: apply plane rotation ([cz]rot in LAPACK)
| rotg: generate plane rotation (cf. lartg)
| rotm: apply modified (fast) plane rotation
| rotmg: generate modified (fast) plane rotation

## Detailed Description