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al_itofix(3alleg5) Allegro reference manual() | al_itofix(3alleg5) Allegro reference manual() |
NAME¶
al_itofix - Allegro 5 APISYNOPSIS¶
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#include <allegro5/allegro.h> al_fixed al_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:
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al_fixed number; /* This conversion is OK. */ number = al_itofix(100); assert(al_fixtoi(number) == 100); number = al_itofix(64000); /* This check will fail in debug builds. */ assert(al_fixtoi(number) == 64000);