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 15.1-STABLE-HBSD         July 8, 2018                        Q_QABS(3)