1: /* vector00.c */
 2: #include<stdio.h>
 3: 
 4: int main( void ){
 5: 
 6:   /* 変数の宣言 */
 7:   int n;
 8: 
 9:   n = 3;
10:   
11:   /* 配列変数の宣言 */
12:   float a[ n ], b[ n ], c[ n ];
13: 
14:   /* カウンタ用変数の宣言 */
15:   int i;
16: 
17:   /* 配列の初期化 */
18:   a[ 0 ] = 2.3; a[ 1 ] = -0.3; a[ 2 ] = 1.2;
19: 
20:   b[ 0 ] = -1.0; b[ 1 ] = 0; b[ 2 ] = 0.1;
21: 
22:   /* ベクトルの和を計算 */
23:   for ( i = 0; i < n; i = i + 1 ) {
24: 
25:     c[ i ] = a[ i ] + b[ i ];
26:     
27:   }
28: 
29:   /* 結果を表示 */
30:   printf( "        a = ( %5.2f %5.2f %5.2f )\n", a[ 0 ], a[ 1 ], a[ 2 ] );
31:   printf( "        b = ( %5.2f %5.2f %5.2f )\n", b[ 0 ], b[ 1 ], b[ 2 ] );
32:   printf( "c = a + b = ( %5.2f %5.2f %5.2f )\n", c[ 0 ], c[ 1 ], c[ 2 ] );
33: 
34:   return 0;
35:   
36: }