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.TH "al_fixtorad_r" "3alleg5" "" "Allegro reference manual" ""
.hy
.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[R]
.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[R]
.fi
.SH SEE ALSO
.PP
al_fixmul(3alleg5), al_radtofix_r(3alleg5).