From a793e017e5d14abd28da89dbb8eb7c1919c4f997 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Tue, 20 Jan 2026 22:40:07 +0100 Subject: Add libj2_not_j2u.3 and libj2_j2i_xor_sign.3 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- libj2_not_j2u.3 | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 libj2_not_j2u.3 (limited to 'libj2_not_j2u.3') diff --git a/libj2_not_j2u.3 b/libj2_not_j2u.3 new file mode 100644 index 0000000..5d51d8a --- /dev/null +++ b/libj2_not_j2u.3 @@ -0,0 +1,69 @@ +.TH LIBJ2_NOT_J2U 3 LIBJ2 +.SH NAME +libj2_not_j2u \- Calculate bitwise NOT + +.SH SYNOPSIS +.nf +#include + +void \fBlibj2_not_j2u\fP(struct libj2_j2u *\fIa\fP); +void \fBlibj2_not_j2u_to_j2u\fP(const struct libj2_j2u *\fIa\fP, struct libj2_j2u *\fIr\fP); +void \fBlibj2_not_ju_to_j2u\fP(uintmax_t \fIa\fP, struct libj2_j2u *\fIr\fP); +.fi +.PP +Link with +.IR -lj2 . + +.SH DESCRIPTION +The above listed functions calculate +the bitwise inverse (NOT) of +.IR a . +For the +.BR libj2_not_j2u () +function, the result is stored in +.IR a. +For the +.BR libj2_not_j2u_to_j2u () +and +.BR libj2_not_ju_to_j2u () +functions, the result is stored in +.IR r. +Additionally, for the +.BR libj2_not_ju_to_j2u () +.I a +is virtually extended to double-max precision, +so all bits in the most significant half of +.I r +will always be set. +.PP +The arguments are assumed to be +.RI non- NULL . + +.SH RETURN VALUE +None. + +.SH ERRORS +The above listed functions cannot fail. + +.SH HISTORY +The +.BR libj2_not_j2u (), +.BR libj2_not_j2u_to_j2u (), +and +.BR libj2_not_ju_to_j2u () +functions were added in version 1.0 of +.BR libj2 . + +.SH SEE ALSO +.BR libj2 (7), +.BR libj2_j2i_xor_sign (3), +.BR libj2_j2u_and_j2u (3), +.BR libj2_j2u_or_j2u (3), +.BR libj2_j2u_xor_j2u (3), +.BR libj2_j2u_if_j2u (3), +.BR libj2_j2u_imply_j2u (3), +.BR libj2_j2u_nand_j2u (3), +.BR libj2_j2u_nor_j2u (3), +.BR libj2_j2u_xnor_j2u (3), +.BR libj2_j2u_nif_j2u (3), +.BR libj2_j2u_nimply_j2u (3) -- cgit v1.2.3-70-g09d2