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-rw-r--r--doc/source/reference/arrays.scalars.rst8
1 files changed, 6 insertions, 2 deletions
diff --git a/doc/source/reference/arrays.scalars.rst b/doc/source/reference/arrays.scalars.rst
index ea1cae23e..be7992d83 100644
--- a/doc/source/reference/arrays.scalars.rst
+++ b/doc/source/reference/arrays.scalars.rst
@@ -176,8 +176,12 @@ Inexact types
.. note::
- The printing behavior of inexact scalars is to use as few digits as possible
- to display the result unambiguously. This means that equal values at
+ Inexact scalars are printed using the fewest decimal digits needed to
+ distinguish their value from other values of the same datatype,
+ by judicious rounding. See the ``unique`` parameter of
+ `format_float_positional` and `format_float_scientific`.
+
+ This means that variables with equal binary values but whose datatypes are of
different precisions may display differently::
>>> f16 = np.float16("0.1")