1999-01-11 整数と浮動小数点数 Perl 明解C言語 入門編 > 2. 演算と型 > 整数と浮動小数点数 Perl $nx = 9.99; $dx = 9.99; print " int 型変数nxの値:", int($nx), "\n"; print " nx / 2:", int($nx / 2), "\n"; print "double型変数dxの値:", $dx, "\n"; print " dx/2.0:", $dx / 2, "\n"; 実行結果 L:\>perl lesson_02_010.pl int 型変数nxの値:9 nx / 2:4 double型変数dxの値:9.99 dx/2.0:4.995