`vec1d_same, vec4d_same, vec8d_same`

Synopsis#include <flint/machine_vectors.h>

int vec1d_same(double a, double b)source

int vec4d_same(vec4d a, vec4d b)source

int vec8d_same(vec8d a, vec8d b)source

Returns whether every lane of a compares equal to the same lane of b with == (so +0 = -0, and a NaN is never equal). vec1d_same is available on AVX2 and NEON, the others on AVX2 only.

Cite this page

The FLINT team, “vec1d_same, vec4d_same, vec8d_same (machine_vectors.h),” FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev, 2026. https://flintlib.org/doc/machine_vectors/vec1d_same.html (generated 2026-10-20).

@misc{flint-doc-machine-vectors-vec1d-same,
  author       = {{The FLINT team}},
  title        = {{vec1d\_same, vec4d\_same, vec8d\_same (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_same.html},
  note         = {Generated 2026-10-20}
}

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