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.TH "al_fixtorad_r" "3" "" "Allegro reference manual" ""
.SH NAME
.PP
al_fixtorad_r \- Allegro 5 API
.SH SYNOPSIS
.IP
.nf
\f[C]
#include\ <allegro5/allegro.h>
const\ al_fixed\ al_fixtorad_r\ =\ (al_fixed)1608;
\f[]
.fi
.SH DESCRIPTION
.PP
This constant gives a ratio which can be used to convert a fixed point
number in binary angle format to a fixed point number in radians.
.PP
Example:
.IP
.nf
\f[C]
al_fixed\ rad_angle,\ binary_angle;
/*\ Set\ the\ binary\ angle\ to\ 90\ degrees.\ */
binary_angle\ =\ 64;
/*\ Now\ convert\ to\ radians\ (about\ 1.57).\ */
rad_angle\ =\ al_fixmul(binary_angle,\ al_fixtorad_r);
\f[]
.fi
.SH SEE ALSO
.PP
al_fixmul(3), al_radtofix_r(3).
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