From 79e6f583f1736fc5669028e361752ac783832e41 Mon Sep 17 00:00:00 2001 From: mbkma Date: Tue, 23 Apr 2019 20:32:55 +0200 Subject: display small numbers in scientific notation in number format: automatic --- src/mp-serializer.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/src/mp-serializer.c b/src/mp-serializer.c index 560aa64..2a5c3e3 100644 --- a/src/mp-serializer.c +++ b/src/mp-serializer.c @@ -352,14 +352,19 @@ mp_cast_to_exponential_string(MpSerializer *serializer, const MPNumber *x, gbool gchar * mp_serializer_to_string(MpSerializer *serializer, const MPNumber *x) { + MPNumber cmp, xcmp; gchar *s0; int n_digits = 0; - + mp_set_from_integer(10, &cmp); + mp_xpowy_integer(&cmp, -(serializer->priv->trailing_digits), &cmp); + mp_real_component(x, &xcmp); + mp_abs(&xcmp, &xcmp); switch(serializer->priv->format) { default: case MP_DISPLAY_FORMAT_AUTOMATIC: s0 = mp_cast_to_string(serializer, x, &n_digits); - if (n_digits <= serializer->priv->leading_digits) + if ((n_digits <= serializer->priv->leading_digits && + mp_is_greater_equal(&xcmp, &cmp)) || mp_is_complex(x)) return s0; else { g_free (s0); -- cgit v1.2.1