fixsin man page on DragonFly

fixsin man page on DragonFly

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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),	 exup‐
       date(3)

Allegro				 version 4.4.2			     fixsin(3)

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