Ceilとfloorの使い方
541 ワード
指定した式以上の最小整数を返します.
実行結果:
original number 123.54
number rounded down 123.00
number rounded up 124.00
#include
#include
int main(void)
{
double number = 123.54;
double down, up;
down = floor(number);
up = ceil(number);
printf("original number %5.2lf
", number);
printf("number rounded down %5.2lf
", down);
printf("number rounded up %5.2lf
", up);
return 0;
}
実行結果:
original number 123.54
number rounded down 123.00
number rounded up 124.00