diff options
Diffstat (limited to 'libdimension/polynomial.c')
| -rw-r--r-- | libdimension/polynomial.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libdimension/polynomial.c b/libdimension/polynomial.c index 31d8309..6e8ce4e 100644 --- a/libdimension/polynomial.c +++ b/libdimension/polynomial.c @@ -86,6 +86,9 @@ dmnsn_bisect_root(double poly[], size_t degree, double min, double max) double mid = 0.0, evmid; int lastsign = -1; + if (max - min <= dmnsn_epsilon) + return min; + do { mid = (min*evmax - max*evmin)/(evmax - evmin); evmid = dmnsn_evaluate_polynomial(poly, degree, mid); |