sqnrm2

Forms the square of the euclidean norm. Uses unrolled loops for stride equal to one.

F sqnrm2(Slice!(Iterator, N, kind) x)
auto sqnrm2(Slice!(Iterator, N, kind) x)
@fastmath
auto
sqnrm2
(
SliceKind kind
size_t N
Iterator
)
(
Slice!(Iterator, N, kind) x
)

Parameters

x Slice!(Iterator, N, kind): n-dimensional tensor

Return Value

Type: auto

conj(xᐪ) × x

Examples

import mir.ndslice.allocation: slice;
auto x = slice!double(4);
x[] = [0, 1, 2, 3];
assert(sqnrm2(x) == 1.0 + 4 + 9);

import mir.ndslice.allocation: slice;

auto x = slice!cdouble(2);
x[] = [0 + 1i, 2 + 3i];

assert(sqnrm2(x) == 1.0 + 4 + 9);

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