#include <stdio.h>
typedef union
{
float x;
float y;
float z;
float w;
float val[ 4 ] ;
} VERTEX4F;
int main( ) {
VERTEX4F v;
v.x = 0.5f ;
v.y = 0.5f ;
v.z = 0.5f ;
v.w = 0.5f ;
printf ( "Sizeof VERTEX4F is %d \n " , sizeof ( VERTEX4F
) ) ; //16 (4*4) printf ( "VERTEX4F component x is %f \n " , v.
x ) ; //0,5 printf ( "VERTEX4F component y is %f \n " , v.
y ) ; //0,5 printf ( "VERTEX4F component z is %f \n " , v.
z ) ; //0,5 printf ( "VERTEX4F component w is %f \n " , v.
w ) ; //0,5 for ( int i = 0 ; i< 4 ; i++ )
{
printf ( "VERTEX4F component %d is %f \n " , i
, v.
val [ i
] ) ; //на первой итерации - 0,5, на остальных хуита. }
return 0 ;
}
//Чому так?
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