fixsin(3)                       Allegro manual                       fixsin(3)



NAME
       fixsin - Fixed point sine of binary angles. Allegro game programming
       library.

SYNOPSIS
       #include <allegro.h>


       fixed fixsin(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:

          fixed angle;
          int result;

          /* Set the binary angle to 90 degrees. */
          angle = itofix(64);
          /* The sine of 90 degrees is one. */
          result = fixtoi(fixsin(angle));
          ASSERT(result == 1);

RETURN VALUE
       Returns the sine of a fixed point binary format angle. The return value
       will be in radians.


SEE ALSO
       , ex12bit(3), ex3buf(3), exblend(3), excustom(3), exspline(3),
       exupdate(3)



Allegro                          version 4.2.3                       fixsin(3)
