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Top Forums Programming Integer size with different compile Post 303000989 by jlliagre on Monday 24th of July 2017 06:46:29 PM
Old 07-24-2017
Quote:
Originally Posted by arunkumar_mca
I was in assumption the size of integer for 32 bit will be 2 ^32 and size of 64 bit compiled version will be 2 ^ 64.
You assumption was wrong.

Most 64 bit platforms (Windows, Linux, Solaris, AIX, HP-UX, MacOS, BSD, ...) have selected the LP64 data model, meaning an integer (i.e. an int in C) is still 32 bit while only long and pointers are 64 bits. This page explain why this was preferred against the various possible alternatives.
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get_compiled_sprite(3alleg4)					  Allegro manual				      get_compiled_sprite(3alleg4)

NAME
get_compiled_sprite - Creates a compiled sprite using a bitmap as source. Allegro game programming library. SYNOPSIS
#include <allegro.h> COMPILED_SPRITE *get_compiled_sprite(BITMAP *bitmap, int planar); DESCRIPTION
Creates a compiled sprite based on the specified bitmap (which must be a memory bitmap). Compiled sprites are device-dependent, so you have to specify whether to compile it into a linear or planar format. Pass FALSE as the second parameter if you are going to be drawing it onto memory bitmaps or mode 13h and SVGA screen bitmaps, and pass TRUE if you are going to draw it onto mode-X or Xtended mode screen bitmaps. Example: COMPILED_SPRITE *cspr; BITMAP *bmp; ... /* Create compiled sprite from an existent bitmap. */ cspr = get_compiled_sprite(bmp, 0); if (!cspr) abort_on_error("Couldn't create compiled sprite!"); /* We don't need the bitmap any more.*/ destroy_bitmap(bmp); /* Use the compiled sprite. */ ... /* Destroy it when we don't need it any more. */ destroy_compiled_sprite(cspr); Returns a pointer to the created compiled sprite, or NULL if the compiled sprite could not be created. Remember to free this compiled sprite later to avoid memory leaks. SEE ALSO
draw_compiled_sprite(3alleg4), destroy_compiled_sprite(3alleg4) Allegro version 4.4.2 get_compiled_sprite(3alleg4)
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