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.TH "al_fixsin" "3" "" "Allegro reference manual"
.SH NAME
al_fixsin \- Allegro 5 API
.SH SYNOPSIS
.IP
.EX
#include \f[B]<allegro5/allegro.h>\f[R]

al_fixed al_fixsin(al_fixed x);
.EE
.SH DESCRIPTION
This function finds the sine of a value using a lookup table.
The input value must be a fixed point binary angle.
.PP
Example:
.IP
.EX
al_fixed angle;
int result;

\f[I]/* Set the binary angle to 90 degrees. */\f[R]
angle = al_itofix(64);

\f[I]/* The sine of 90 degrees is one. */\f[R]
result = al_fixtoi(al_fixsin(angle));
assert(result == 1);
.EE
.SH RETURN VALUE
Returns the sine of a fixed point binary format angle as a fixed point
value.