`add_ssaaaa, sub_ddmmss`

Synopsis#include <flint/longlong.h>

add_ssaaaa(s1, s0, a1, a0, b1, b0)source

sub_ddmmss(d1, d0, m1, m0, s1, s0)source

Set (s_1, s_0) to (a_1 B + a_0) + (b_1 B + b_0) \bmod B^2, and (d_1, d_0) to (m_1 B + m_0) - (s_1 B + s_0) \bmod B^2.

Cite this page

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

@misc{flint-doc-longlong-add-ssaaaa,
  author       = {{The FLINT team}},
  title        = {{add\_ssaaaa, sub\_ddmmss (longlong.h)}},
  howpublished = {FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev},
  year         = {2026},
  url          = {https://flintlib.org/doc/longlong/add_ssaaaa.html},
  note         = {Generated 2026-10-20}
}

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