fixsin(3alleg4)

fixsin3alleg4

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

7 releases since Debian 7 (Wheezy); the text changed 1 time.

  1. 7–10
  2. 11–13

From allegro4-doc 2:4.4.3.1-5 in Debian 13 (Trixie). Parsed by carta from the page's man source.