Lines Matching +full:2 +full:- +full:dimensional

1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */
14  * #define type_min(T) (T)(is_signed_type(T) ? (T)1 << (8*sizeof(T)-1) : 0)
15  * #define type_max(T) (T)(is_signed_type(T) ? ((T)1 << (8*sizeof(T)-1)) - 1 : ~(T)0)
19  * the type_max expression (but not if -fsanitize=undefined is in
25  * a-feature-not-a-bug, since people shouldn't be doing arithmetic on
30  * https://mail-index.netbsd.org/tech-misc/2007/02/05/0000.html -
33 #define __type_half_max(type) ((type)1 << (8*sizeof(type) - 1 - is_signed_type(type)))
34 #define type_max(T) ((T)((__type_half_max(T) - 1) + __type_half_max(T)))
35 #define type_min(T) ((T)((T)-type_max(T)-(T)1))
38  * Avoids triggering -Wtype-limits compilation warning,
46  * both the type-agnostic benefits of the macros while also being able to
55  * check_add_overflow() - Calculate addition with overflow checking
63  * "safe for use" on a non-zero return value, which indicates that the
70  * check_sub_overflow() - Calculate subtraction with overflow checking
78  * "safe for use" on a non-zero return value, which indicates that the
85  * check_mul_overflow() - Calculate multiplication with overflow checking
93  * considered "safe for use" on a non-zero return value, which indicates
100  * check_shl_overflow() - Calculate a left-shifted value and check overflow
110  * - '@a << @s' causes bits to be lost when stored in *@d.
111  * - '@s' is garbage (e.g. negative) or so large that the result of
113  * - '@a' is negative.
114  * - '@a << @s' sets the sign bit, if any, in '*@d'.
132  * size_mul() - Calculate size_t multiplication with saturation at SIZE_MAX
151  * size_add() - Calculate size_t addition with saturation at SIZE_MAX
170  * size_sub() - Calculate size_t subtraction with saturation at SIZE_MAX
174  * Returns: calculate @minuend - @subtrahend, both promoted to size_t,
192  * array_size() - Calculate size of 2-dimensional array.
196  * Calculates size of 2-dimensional array: @a * @b.
204  * array3_size() - Calculate size of 3-dimensional array.
209  * Calculates size of 3-dimensional array: @a * @b * @c.
217  * flex_array_size() - Calculate size of a flexible array member
230 		(count) * sizeof(*(p)->member) + __must_be_array((p)->member),	\
231 		size_mul(count, sizeof(*(p)->member) + __must_be_array((p)->member)))
234  * struct_size() - Calculate size of structure with trailing flexible array.