Q_QABS(3)              FreeBSD Library Functions Manual              Q_QABS(3)

NAME
     Q_QABS, Q_Q2S, Q_Q2F - fixed-point math functions which operate on a
     single Q number

SYNOPSIS
     #include <sys/qmath.h>

     QTYPE
     Q_QABS(QTYPE q);

     double
     Q_Q2D(QTYPE q);

     float
     Q_Q2F(QTYPE q);

DESCRIPTION
     The Q_QABS() function returns an absolute value representation of q.

     The Q_Q2D() and Q_Q2F() functions return the double and float
     representations of q respectively.

     All of those functions operate on the following data types: s8q_t, u8q_t,
     s16q_t, u16q_t, s32q_t, u32q_t, s64q_t, and u64q_t, which are referred to
     generically as QTYPE.

     For more details, see qmath(3).

RETURN VALUES
     Q_QABS() function returns a QTYPE that is identical to that of q.

     The Q_Q2D() and Q_Q2F() functions return the double and float
     representations of q respectively.

SEE ALSO
     errno(2), qmath(3), stdint(7)

HISTORY
     The qmath(3) functions first appeared in FreeBSD 13.0.

AUTHORS
     The qmath(3) functions and this manual page were written by Lawrence
     Stewart <lstewart@FreeBSD.org> and sponsored by Netflix, Inc.

FreeBSD 13.1-RELEASE-p6          July 8, 2018          FreeBSD 13.1-RELEASE-p6