@@ -96,6 +96,14 @@ Floating-Point Objects
9696 the C11 standard ``<math.h>`` header.
9797
9898
99+ .. c:macro:: Py_HUGE_VAL
100+
101+ Equivalent to :c:macro:`!INFINITY`.
102+
103+ .. deprecated:: 3.14
104+ The macro is :term:`soft deprecated`.
105+
106+
99107.. c:macro:: Py_MATH_E
100108
101109 The definition (accurate for a:c:expr: `double ` type) of the :data:`math.e` constant.
@@ -140,6 +148,34 @@ Floating-Point Objects
140148 return PyFloat_FromDouble(copysign(INFINITY, sign));
141149
142150
151+ c :macro :: Py_IS_FINITE(X)
152+
153+ 1 `` if the given floating-point number *X * is finite,
154+ that is, it is normal, subnormal or zero, but not infinite or NaN.
155+ Return ``0 `` otherwise.
156+
157+ ..deprecated ::3.14
158+ The macro is:term: `soft deprecated `. Use:c:macro: `!isfinite ` instead.
159+
160+
161+ ..c :macro :: Py_IS_INFINITY(X)
162+
163+ 1 `` if the given floating-point number *X * is positive or negative
164+ infinity. Return ``0 `` otherwise.
165+
166+ ..deprecated ::3.14
167+ The macro is:term: `soft deprecated `. Use:c:macro: `!isinf ` instead.
168+
169+
170+ ..c :macro :: Py_IS_NAN(X)
171+
172+ 1 `` if the given floating-point number *X * is a not-a-number (NaN)
173+ value. Return ``0`` otherwise.
174+
175+ .. deprecated:: 3.14
176+ The macro is :term:`soft deprecated`. Use :c:macro:`!isnan` instead.
177+
178+
143179Pack and Unpack functions
144180-------------------------
145181