FLINT3.7.0-dev
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vec2d_unpacklo, vec2d_unpackhi, vec8d_unpacklo, vec8d_unpackhi

Synopsis#include <flint/machine_vectors.h>
vec2d vec2d_unpacklo(vec2d a, vec2d b)source
vec2d vec2d_unpackhi(vec2d a, vec2d b)source
vec8d vec8d_unpacklo(vec8d a, vec8d b)
vec8d vec8d_unpackhi(vec8d a, vec8d b)

vec2d_unpacklo returns \{a_0, b_0\} and vec2d_unpackhi returns \{a_1, b_1\}; the vec8d versions act on each vec4d half. NEON only.

Cite this page

The FLINT team, “vec2d_unpacklo, vec2d_unpackhi, vec8d_unpacklo, vec8d_unpackhi (machine_vectors.h),” FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev, 2026. https://flintlib.org/doc/machine_vectors/vec2d_unpacklo.html (generated 2026-10-20).