address review: Return 0 otherwise.

Author: skirpichev

Doc/c-api/float.rst

@@ -158,8 +158,8 @@ Floating-Point Objects
 .. c:macro:: Py_IS_FINITE(X)
 
    Return ``1`` if the given floating-point number *X* is finite,
-   that is, it is normal, subnormal or zero, but not infinite or NaN;
-   else ``0``.
+   that is, it is normal, subnormal or zero, but not infinite or NaN.
+   Return ``0`` otherwise.
 
    .. deprecated:: 3.14
       The macro is :term:`soft deprecated`.  Use :c:macro:`!isfinite` instead.
@@ -168,16 +168,16 @@ Floating-Point Objects
 .. c:macro:: Py_IS_INFINITY(X)
 
    Return ``1`` if the given floating-point number *X* is positive or negative
-   infinity, else ``0``.
+   infinity.  Return ``0`` otherwise.
 
    .. deprecated:: 3.14
       The macro is :term:`soft deprecated`.  Use :c:macro:`!isinf` instead.
 
 
 .. c:macro:: Py_IS_NAN(X)
 
-   Return ``1`` if the given floating-point number *X* is a not-a-number (NaN) value,
-   else ``0``.
+   Return ``1`` if the given floating-point number *X* is a not-a-number (NaN)
+   value.  Return ``0`` otherwise.
 
    .. deprecated:: 3.14
       The macro is :term:`soft deprecated`.  Use :c:macro:`!isnan` instead.