FLINT3.7.0-dev

deccfloat_is_zero, deccfloat_is_one, deccfloat_is_neg_one, deccfloat_equal, deccfloat_is_integer, deccfloat_cmp, deccfloat_cmpabs

Synopsis#include <flint/decimal.h>
truth_t deccfloat_is_zero(const deccfloat_t x, gr_ctx_t ctx)source
truth_t deccfloat_is_one(const deccfloat_t x, gr_ctx_t ctx)source
truth_t deccfloat_is_neg_one(const deccfloat_t x, gr_ctx_t ctx)source
truth_t deccfloat_equal(const deccfloat_t x, const deccfloat_t y, gr_ctx_t ctx)source
truth_t deccfloat_is_integer(const deccfloat_t x, gr_ctx_t ctx)source
int deccfloat_cmp(int * res, const deccfloat_t x, const deccfloat_t y, gr_ctx_t ctx)source
int deccfloat_cmpabs(int * res, const deccfloat_t x, const deccfloat_t y, gr_ctx_t ctx)source

Predicates and comparisons. Equality is decided exactly (T_UNKNOWN only for NaN). cmp returns GR_DOMAIN unless both numbers are real, and cmpabs compares |x|^2 and |y|^2 exactly.

Cite this page

The FLINT team, “deccfloat_is_zero, deccfloat_is_one, deccfloat_is_neg_one, deccfloat_equal, deccfloat_is_integer, deccfloat_cmp, deccfloat_cmpabs (decimal.h),” FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev, 2026. https://flintlib.org/doc/decimal/deccfloat_is_zero.html (generated 2026-10-20).