Improve docs

python · terryjreedy · Nov 4, 2024 · Oct 31, 2024 · Oct 31, 2024 · Oct 31, 2024
commit 6d0cf7419bfbbb9a2582b77705adf1530c2d4879
diff --git a/Doc/library/cmath.rst b/Doc/library/cmath.rst
@@ -227,9 +227,9 @@ Classification functions
    between *a* and *b*, relative to the larger absolute value of *a* or *b*.
    For example, to set a tolerance of 5%, pass ``rel_tol=0.05``.  The default
    tolerance is ``1e-09``, which assures that the two values are the same
-   within about 9 decimal digits.  *rel_tol* must be greater than zero.
+   within about 9 decimal digits.  *rel_tol* must be a nonnegative value.
 
-   *abs_tol* is the minimum absolute tolerance; it must be at least ``0.0``.
+   *abs_tol* is the absolute tolerance; it must be at least ``0.0``.
    When comparing to ``0.0``, the default *abs_tol* of ``0.0`` means that only
    ``0.0`` is close to ``0.0``. Pass a larger tolerance to allow for floating
    point inaccuracies.

diff --git a/Doc/library/math.rst b/Doc/library/math.rst
@@ -164,9 +164,9 @@ Number-theoretic and representation functions
    between *a* and *b*, relative to the larger absolute value of *a* or *b*.
    For example, to set a tolerance of 5%, pass ``rel_tol=0.05``.  The default
    tolerance is ``1e-09``, which assures that the two values are the same
-   within about 9 decimal digits.  *rel_tol* must be greater than zero.
+   within about 9 decimal digits.  *rel_tol* must be a nonnegative value.
 
-   *abs_tol* is the minimum absolute tolerance; it must be at least ``0.0``.
+   *abs_tol* is the absolute tolerance; it must be at least ``0.0``.
    When comparing to ``0.0``, the default tolerance values means that only
    ``0.0`` is close to ``0.0``.  Pass an appropriate absolute tolerance to
    compare with ``0.0``.