From 3ae8c069900514c1785fe4a84b6cdb0157dff59e Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Wed, 2 Mar 2016 21:07:08 +0100 Subject: Add zand, zor, zxor, znot, zbtest, zsplit, and the newly introduced ztrunc MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- man/ztrunc.3 | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 man/ztrunc.3 (limited to 'man/ztrunc.3') diff --git a/man/ztrunc.3 b/man/ztrunc.3 new file mode 100644 index 0000000..7617b74 --- /dev/null +++ b/man/ztrunc.3 @@ -0,0 +1,39 @@ +.TH ZTRUNC 3 libzahl +.SH NAME +ztrunc - Truncate a big integer +.SH SYNOPSIS +.nf +#include + +void ztrunc(z_t \fIa\fP, z_t \fIb\fP, size_t \fIbits\fP); +.fi +.SH DESCRIPTION +.B ztrunc +makes a truncated copy of +.I b +and stores it in +.I a . +Only the first +.I bits +from +.I b +and +.IR b 's +sign is copied to +.I a . +.P +It is safe to call +.B zsplit +with non-unique parameters. +.SH RATIONALE +This was useful for improving the performance of +.BR zsplit (3). +.SH SEE ALSO +.BR zand (3), +.BR zor (3), +.BR zxor (3), +.BR znot (3), +.BR zlsh (3), +.BR zrsh (3), +.BR zsplit (3), +.BR zbits (3) -- cgit v1.2.3-70-g09d2