From 8b1e9c4dd1fd12e3b85750a5c0044b54ced216c7 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Thu, 12 Feb 2026 13:45:48 +0100 Subject: Add subtraction and addition with carry/borrow and add abs_diff MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- libj2_j2u_abs_diff_j2u.3 | 56 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 libj2_j2u_abs_diff_j2u.3 (limited to 'libj2_j2u_abs_diff_j2u.3') diff --git a/libj2_j2u_abs_diff_j2u.3 b/libj2_j2u_abs_diff_j2u.3 new file mode 100644 index 0000000..fe667cb --- /dev/null +++ b/libj2_j2u_abs_diff_j2u.3 @@ -0,0 +1,56 @@ +.TH LIBJ2_J2U_ABS_DIFF_J2U 3 LIBJ2 +.SH NAME +libj2_j2u_abs_diff_j2u \- Calculate absolute difference + +.SH SYNOPSIS +.nf +#include + +void \fBlibj2_j2u_abs_diff_j2u\fP(struct libj2_j2u *\fIa\fP, const struct libj2_j2u *\fIb\fP); +void \fBlibj2_j2u_abs_diff_j2u_to_j2u\fP(const struct libj2_j2u *\fIa\fP, const struct libj2_j2u *\fIb\fP, struct libj2_j2u *\fIr\fP); +void \fBlibj2_j2i_abs_diff_j2i_to_j2u\fP(const struct libj2_j2i *\fIa\fP, const struct libj2_j2i *\fIb\fP, struct libj2_j2u *\fIr\fP); +void \fBlibj2_ji_abs_diff_ju_to_j2u\fP(intmax_t \fIa\fP, uintmax_t \fIb\fP, struct libj2_j2u *\fIr\fP); +void \fBlibj2_ju_abs_diff_ji_to_j2u\fP(uintmax_t \fIa\fP, intmax_t \fIb\fP, struct libj2_j2u *\fIr\fP); +.fi +.PP +Link with +.IR -lj2 . + +.SH DESCRIPTION +The above listed functions calculate the +value absolute of the difference of the +values of +.I a +and +.I b +and stores the result in +.IR r , +except the +.BR libj2_j2u_abs_diff_j2u () +function, which stores the result in +.IR a . +.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_j2u_abs_diff_j2u (), +.BR libj2_j2u_abs_diff_j2u_to_j2u (), +.BR libj2_j2i_abs_diff_j2i_to_j2u (), +.BR libj2_ju_abs_diff_ji_to_j2u (), +and +.BR libj2_ji_abs_diff_ju_to_j2u () +functions were added in version 1.2 of +.BR libj2 . + +.SH SEE ALSO +.BR libj2 (7), +.BR libj2_j2i_sub_j2i (3), +.BR libj2_j2u_sub_j2u (3) -- cgit v1.2.3-70-g09d2