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Man Pages


Manual Reference Pages  -  AL_FIXATAN (3)

NAME

al_fixatan - Allegro 5 API

CONTENTS

Synopsis
Description
Return Value

SYNOPSIS

C]
#include <allegro5/allegro.h>

al_fixed al_fixatan(al_fixed x) ]

DESCRIPTION

This function finds the inverse tangent of a value using a lookup table. The input value must be a fixed point radian. The inverse tangent is the value whose tangent is C]x].

Example:
C]
    al_fixed result;

/* Sets result to binary angle 13. */ result = al_fixatan(al_ftofix(0.326)); ]

RETURN VALUE

Returns the inverse tangent of a fixed point value, measured as a fixed point binary format angle.

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Allegro reference manual AL_FIXATAN (3)

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