[vJASS] Strange Rounding Off Thingy

[Mr_Bean]

Hi guys,

I am making a bounty system for someone and I have encountered a strange issue. When I calculate bounty, it gives 299 instead of 300. Here is the code:

private function CalculateBounty takes integer level returns real
    return 250.0 * 1.2 * I2R(level)
endfunction

And where it is called:

local integer bounty = GetPlayerState(p, PLAYER_STATE_RESOURCE_GOLD) + R2I(CalculateBounty(GetHeroLevel(u)))

Where u is the dying hero and p is the owner of the killing unit.

Any ideas? Thanks!

 

[Starquizer]

private function CalculateBounty takes integer level returns real
    return 250.0 * 1.2 * I2R(level)
endfunction

Try not to use I2R()

Reals in WC3 is rounded down so try adding 0.5 real to the return.

 

[khamarr3524]

private function CalculateBounty takes integer level returns real
    return 250.0 * 1.2 * I2R(level)
endfunction

Try not to use I2R()

Reals in WC3 is rounded down so try adding 0.5 real to the return.

Please note that Reals in WC3 aren't rounded down when converted to integer. They undergo a process called truncation in which the points after the cutoff (in this case 0, as to insure a whole number) are literally dropped off. The reason that adding .5 works is because anything that is .5 or greater will increase to the next digit and the ending is dropped off from truncation.