vec1d_neg, vec4d_neg, vec8d_neg, vec1d_abs, vec4d_abs
Synopsis
#include <flint/machine_vectors.h>Returns -a and |a|, which flip and clear the sign bit (also of zeros and NaNs). The vec4d versions are available on all backends, the others on AVX2 and NEON.
Guides#
Cite this page
The FLINT team, “vec1d_neg, vec4d_neg, vec8d_neg, vec1d_abs, vec4d_abs (machine_vectors.h),” FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev, 2026. https://flintlib.org/doc/machine_vectors/vec1d_neg.html (generated 2026-10-20).
@misc{flint-doc-machine-vectors-vec1d-neg,
author = {{The FLINT team}},
title = {{vec1d\_neg, vec4d\_neg, vec8d\_neg, vec1d\_abs, vec4d\_abs (machine\_vectors.h)}},
howpublished = {FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev},
year = {2026},
url = {https://flintlib.org/doc/machine_vectors/vec1d_neg.html},
note = {Generated 2026-10-20}
}