`mag_neg_log, mag_neg_log_lower`

Synopsis#include <flint/mag.h>

void mag_neg_log(mag_t res, const mag_t x)source

void mag_neg_log_lower(mag_t res, const mag_t x)source

Set res to an upper, respectively lower, bound for $-\log(\min(1, x))$ , which is $|\log x|$ for $x \le 1$ . The value for $x = 0$ is $+\infty$ .

Cite this page

The FLINT team, “mag_neg_log, mag_neg_log_lower (mag.h),” FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev, 2026. https://flintlib.org/doc/mag/mag_neg_log.html (generated 2026-11-02).

@misc{flint-doc-mag-mag-neg-log,
  author       = {{The FLINT team}},
  title        = {{mag\_neg\_log, mag\_neg\_log\_lower (mag.h)}},
  howpublished = {FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev},
  year         = {2026},
  url          = {https://flintlib.org/doc/mag/mag_neg_log.html},
  note         = {Generated 2026-11-02}
}

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