nifty@lemmy.world to Programmer Humor@programming.dev · 2 years agoStop using floatslemmy.worldimagemessage-square92linkfedilinkarrow-up1797arrow-down135
arrow-up1762arrow-down1imageStop using floatslemmy.worldnifty@lemmy.world to Programmer Humor@programming.dev · 2 years agomessage-square92linkfedilink
minus-squarePsythik@lemmy.worldlinkfedilinkarrow-up15·2 years agoWhile we’re at it, what the hell is -0 and how does it differ from 0?
minus-squareShepherdPie@midwest.sociallinkfedilinkarrow-up5·2 years agoSo it’s just like 0 but with an evil goatee?
minus-squareKnock_Knock_Lemmy_In@lemmy.worldlinkfedilinkarrow-up8·2 years agoLook at the graph of y=tan(x)+ⲡ/2 -0 and +0 are completely different.
minus-squarecomputerscientistI@lemm.eeBannedlinkfedilinkarrow-up2·2 years agoFor integers it really doesn’t exist. An algorithm for multiplying an integer with -1 is: Invert all bits and add 1 to the right-most bit. You can do that for 0 of course, it won’t hurt.
While we’re at it, what the hell is -0 and how does it differ from 0?
It’s the negative version
So it’s just like 0 but with an evil goatee?
Look at the graph of y=tan(x)+ⲡ/2
-0 and +0 are completely different.
For integers it really doesn’t exist. An algorithm for multiplying an integer with -1 is: Invert all bits and add 1 to the right-most bit. You can do that for 0 of course, it won’t hurt.