[ruby-list:48336] Re: 1.25を %10.1f で出力したときバージョンにより表示に違いがでるのは何故でしょうか。
From:
Kenta Murata <muraken@...>
Date:
2011-08-24 02:11:22 UTC
List:
ruby-list #48336
=E3=82=80=E3=82=89=E3=81=9F=E3=81=A7=E3=81=99=E3=80=82 =20 http://www.exploringbinary.com/inconsistent-rounding-of-printed-floating-= point-numbers/ =E3=81=93=E3=81=AE=E3=83=9A=E3=83=BC=E3=82=B8=E3=81=AB=E5=90=8C=E6=A7=98=E3= =81=AE=E5=AE=9F=E9=A8=93=E3=81=A8=E3=81=9D=E3=81=AE=E7=B5=90=E6=9E=9C=E3=81= =8C=E8=BC=89=E3=81=A3=E3=81=A6=E3=81=BE=E3=81=99=E3=81=AD=E3=80=82 On Tuesday, August 23, 2011 at 16:31 , paptimusx wrote: > JIS=E4=B8=B8=E3=82=81=E3=81=AF > e-1=E3=81=AF 2(=3D=E5=81=B6=E6=95=B0)=E3=81=AA=E3=81=AE=E3=81=A7 e-2 =E3= =81=8C 5=E4=BB=A5=E4=B8=8B=E3=81=AE=E3=81=A8=E3=81=8D=E3=81=AF=E5=88=87=E3= =82=8A=E6=8D=A8=E3=81=A6=E3=80=816=E4=BB=A5=E4=B8=8A=E3=81=AE=E3=81=A8=E3= =81=8D=E3=81=AF=E5=88=87=E3=82=8A=E4=B8=8A=E3=81=92=E3=81=AB=E3=81=AA=E3=82= =8B=E3=80=82 > e-1=E3=81=8C=E5=A5=87=E6=95=B0=E3=81=AE=E5=A0=B4=E5=90=88=E3=81=AF=E6=99= =AE=E9=80=9A=E3=81=AE=E5=9B=9B=E6=8D=A8=E4=BA=94=E5=85=A5=E3=81=AB=E3=81=AA= =E3=82=8B=E3=80=82 > =E3=81=A0=E3=81=A8=E7=90=86=E8=A7=A3=E3=81=97=E3=81=A6=E3=81=84=E3=81=9F= =E3=81=AE=E3=81=A7=E3=81=99=E3=81=8C=E3=80=81 > =E7=AB=AF=E6=95=B0=E3=81=8C0.05=E3=82=88=E3=82=8A=E5=B0=8F=E3=81=95=E3=81= =84=E3=81=AA=E3=82=89=E5=88=87=E3=82=8A=E6=8D=A8=E3=81=A6=E3=80=81=E7=AB=AF= =E6=95=B0=E3=81=8C0.05=E3=82=88=E3=82=8A=E5=A4=A7=E3=81=8D=E3=81=84=E3=81= =AA=E3=82=89=E3=81=AF=E5=88=87=E3=82=8A=E4=B8=8A=E3=81=92=E3=80=81 > =E7=AB=AF=E6=95=B0=E3=81=8C=E3=81=A1=E3=82=87=E3=81=86=E3=81=A90.05=E3=81= =AA=E3=82=89=E5=88=87=E3=82=8A=E6=8D=A8=E3=81=A6=E3=81=A8=E5=88=87=E3=82=8A= =E4=B8=8A=E3=81=92=E3=81=AE=E3=81=86=E3=81=A1=E7=B5=90=E6=9E=9C=E3=81=8C=E5= =81=B6=E6=95=B0=E3=81=A8=E3=81=AA=E3=82=8B=E6=96=B9=E3=81=B8=E4=B8=B8=E3=82= =81=E3=82=8B=E3=80=82 > =E3=81=A8=E3=81=84=E3=81=86=E3=81=93=E3=81=A8=E3=81=A7=E3=81=97=E3=81=9F= =E3=80=82 =E3=81=93=E3=81=AE=E4=B8=B8=E3=82=81=E6=96=B9=E3=81=AF=E3=80=8C=E6=9C=80=E8= =BF=91=E6=8E=A5=E5=81=B6=E6=95=B0=E3=81=B8=E3=81=AE=E4=B8=B8=E3=82=81=E3=80= =8D(round half to even) =E3=81=A8=E5=91=BC=E3=81=B3=E3=81=BE=E3=81=99=E3=80= =82 ISO-31 =E3=81=A7=E5=AE=9A=E3=82=81=E3=82=89=E3=82=8C=E3=81=A6=E3=81=84=E3= =81=A6=E3=80=81=E3=81=9D=E3=81=AE=E7=B5=90=E6=9E=9C=E3=81=A8=E3=81=97=E3=81= =A6 JIS =E3=81=A7=E3=82=82=E5=AE=9A=E3=82=81=E3=82=89=E3=82=8C=E3=81=A6=E3= =81=84=E3=81=BE=E3=81=99=E3=80=82 =E7=B0=BF=E8=A8=98=E3=81=A7=E8=89=AF=E3=81=8F=E4=BD=BF=E3=82=8F=E3=82=8C=E3= =81=A6=E3=81=84=E3=82=8B=E3=82=89=E3=81=97=E3=81=84=E3=81=AE=E3=81=A7=E3=81= =99=E3=81=8C=E3=80=81=E3=81=9D=E3=81=AE=E3=81=9F=E3=82=81=E3=81=8B=E3=81=A9= =E3=81=86=E3=81=8B=E5=88=86=E3=81=8B=E3=82=8A=E3=81=BE=E3=81=9B=E3=82=93=E3= =81=8C=E3=80=81 =E6=85=A3=E7=BF=92=E7=9A=84=E3=81=AB=E3=80=8C=E9=8A=80=E8=A1=8C=E5=AE=B6=E3= =81=AE=E4=B8=B8=E3=82=81=E3=80=8D(banker's rounding) =E3=81=A8=E3=82=82=E5= =91=BC=E3=81=B0=E3=82=8C=E3=81=BE=E3=81=99=E3=80=82 =E3=81=93=E3=81=AE=E4=B8=B8=E3=82=81=E6=96=B9=E3=81=AB=E5=AF=BE=E3=81=97=E3= =81=A6 =22(=3DIEEE754)=22 =E3=81=A8=E8=A8=98=E8=BC=89=E3=81=99=E3=82=8B=E4= =BA=8B=E3=81=AF=E6=AD=A3=E3=81=97=E3=81=8F=E3=81=82=E3=82=8A=E3=81=BE=E3=81= =9B=E3=82=93=E3=80=82 IEEE754 =E3=81=A7=E3=81=AF=E4=BB=A5=E4=B8=8B=E3=81=AE4=E3=81=A4=E3=81=AE=E4= =B8=B8=E3=82=81=E3=83=A2=E3=83=BC=E3=83=89=E3=81=8C=E8=A6=8F=E5=AE=9A=E3=81= =95=E3=82=8C=E3=81=A6=E3=81=84=E3=82=8B=E3=81=9F=E3=82=81=E3=81=A7=E3=81=99= =E3=80=82 - =E6=9C=80=E8=BF=91=E6=8E=A5=E5=81=B6=E6=95=B0=E3=81=B8=E3=81=AE=E4=B8=B8= =E3=82=81 - 0=E3=81=B8=E3=81=AE=E4=B8=B8=E3=82=81 - =E6=AD=A3=E3=81=AE=E7=84=A1=E9=99=90=E5=A4=A7=E3=81=B8=E3=81=AE=E4=B8=B8= =E3=82=81 - =E8=B2=A0=E3=81=AE=E7=84=A1=E9=99=90=E5=A4=A7=E3=81=B8=E3=81=AE=E4=B8=B8= =E3=82=81 > MS=E7=B3=BB=E3=81=AE=E3=82=B3=E3=83=B3=E3=83=91=E3=82=A4=E3=83=A9=E3=81= =AFJIS=E4=B8=B8=E3=82=81=E3=82=92=E3=81=97=E3=81=A6=E3=81=84=E3=81=AA=E3=81= =84=E3=80=82 =E3=83=A1=E3=83=BC=E3=83=AB=E3=81=AE=E6=9C=80=E5=88=9D=E3=81=AB=E6=8F=90=E7= =A4=BA=E3=81=97=E3=81=9F URL =E3=81=AB=E6=9B=B8=E3=81=8B=E3=82=8C=E3=81=A6= =E3=81=84=E3=81=BE=E3=81=99=E3=81=8C=E3=80=81 Visual C++ =E3=81=AE=E3=83=A9=E3=83=B3=E3=82=BF=E3=82=A4=E3=83=A0=E3=83=A9= =E3=82=A4=E3=83=96=E3=83=A9=E3=83=AA=E3=81=AF=E3=80=810=E3=81=8B=E3=82=89= =E9=81=A0=E3=81=96=E3=81=8B=E3=82=8B=E6=96=B9=E5=90=91=E3=81=B8=E4=B8=B8=E3= =82=81=E3=82=8B=E3=82=88=E3=81=86=E3=81=A7=E3=81=99=E3=80=82 -- =20 Kenta Murata Sent with Sparrow (http://www.sparrowmailapp.com)