fixsin(3alleg)

fixsin3alleg

Fixed point sine of binary angles. allegro game programming library.

Usage

#include <allegro.h>

fixed fixsin(fixed x);

Overview

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.

Releases

4 releases since Debian 3.1 (Sarge); the text changed 2 times.

  1. 3.1
  2. 4.0
  3. 5.0–6.0

From liballegro-doc 2:4.2.2-2.2 in Debian 6.0 (Squeeze). Parsed by carta from the page's man source.