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Man Pages


Manual Reference Pages  -  ITOFIX (3)

NAME

itofix - Converts an integer to fixed point. Allegro game programming library.

CONTENTS

Synopsis
Description
See Also

SYNOPSIS

#include <allegro.h>

fixed itofix(int x);

DESCRIPTION

Converts an integer to fixed point. This is the same thing as x<<16. Remember that overflows (trying to convert an integer greater than 32767) and underflows (trying to convert an integer lesser than -32768) are not detected even in debug builds! The values simply "wrap around". Example:

   fixed number;
   /* This conversion is OK. */
   number = itofix(100);
   ASSERT(fixtoi(number) == 100);
   number = itofix(64000);
   /* This check will fail in debug builds. */
   ASSERT(fixtoi(number) == 64000);

RETURN VALUE

Returns the value of the integer converted to fixed point ignoring overflows.

SEE ALSO

fixtoi(3), ftofix(3), fixtof(3), ex12bit(3), ex3buf(3), ex3d(3), exblend(3), excustom(3), exfixed(3), exlights(3), exspline(3), exsprite(3), exstars(3)
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Allegro ITOFIX (3) version 4.4.2

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