The Powder Toy

that helped, thanks

http://pastebin.com/hPw2V7yr

@abczyx123987 (View Post)  now it says errors in gravity.h cause of lfftw3f not linked

I keep getting errors:  lib\libfftw3f.a(generic.o):generic.c:(.text+0x1b3): undefined reference to `__chkstk_ms'  lib\libfftw3f.a(lt8-generic.o):generic.c:(.text+0x1f0): undefined refe...

@Mushroom (View Post)  its impossible  the only way to solve is bisection

i mean something like:  X=something_without_x'es

@Mushroom (View Post)  can you give a formula showing the root?

the more complicated question is  x^x=2

10-5(2x+3)=8(3x-2)-12x  10-10x+15=24x-16-12x  25-10x=12x-16  41=22x  x=41/22    for such use http://wolframalpha.com 

The question any moderator will ask:  Uses?