Provided by: allegro5-doc_5.2.3.0-1_all
NAME
al_fixsin - Allegro 5 API
SYNOPSIS
#include <allegro5/allegro.h> al_fixed al_fixsin(al_fixed x);
DESCRIPTION
This function finds the sine of a value using a lookup table. The input value must be a fixed point binary angle. Example: al_fixed angle; int result; /* Set the binary angle to 90 degrees. */ angle = al_itofix(64); /* The sine of 90 degrees is one. */ result = al_fixtoi(al_fixsin(angle)); assert(result == 1);
RETURN VALUE
Returns the sine of a fixed point binary format angle as a fixed point value.