New Posts  All Forums:Forum Nav:

How to calculate pi? - Page 3

post #21 of 35
Quote:
Originally Posted by Licht View Post
Could use a 64bit Integer to hold the decimal value, then add 3. to the beginning when displaying it for any reason.

Let's hope i'm so lucky!
64 places is still extremely small.
It goes to eleven
(13 items)
 
  
CPUMotherboardGraphicsRAM
E6300 DS3 EVGA 8600GTS 2GB XMS2 DDR2-800 
Hard DriveOSMonitorKeyboard
1.294 TB Arch Linux/XP Samsung 226bw Eclipse II 
PowerCaseMouse
Corsair 520HX Lian-Li v1000B Plus G7 
  hide details  
Reply
It goes to eleven
(13 items)
 
  
CPUMotherboardGraphicsRAM
E6300 DS3 EVGA 8600GTS 2GB XMS2 DDR2-800 
Hard DriveOSMonitorKeyboard
1.294 TB Arch Linux/XP Samsung 226bw Eclipse II 
PowerCaseMouse
Corsair 520HX Lian-Li v1000B Plus G7 
  hide details  
Reply
post #22 of 35
Well, he could use a string and when needed as an integer, explode it into an array of many 64bit integers.
Iterate on that array to do whatever calculation you need then put it back together into a string.

Though this has its limitations, since he won't be able to perform calculations on the entire thing as a whole (which he could with float...)
Akiyama Mio
(13 items)
 
  
CPUMotherboardGraphicsRAM
E6420 @ stock, 0.98v Asus P5N-E SLI Gainward GTX 460 1GB @ 800/1600/1900 2x2GB Kingston @ 800MHz 5-5-5-15 2T 
Hard DriveOptical DriveOSMonitor
WD 250GB, 320GB SATA/3, 16MB Cache, Seagate 1TB LG GSA-H62N 18x SATA Ubuntu 9.10 x86 & Win7 x86 Asus VW222U 
KeyboardPowerCase
Logitech Classic Corsair 650HX NZXT Apollo Black 
  hide details  
Reply
Akiyama Mio
(13 items)
 
  
CPUMotherboardGraphicsRAM
E6420 @ stock, 0.98v Asus P5N-E SLI Gainward GTX 460 1GB @ 800/1600/1900 2x2GB Kingston @ 800MHz 5-5-5-15 2T 
Hard DriveOptical DriveOSMonitor
WD 250GB, 320GB SATA/3, 16MB Cache, Seagate 1TB LG GSA-H62N 18x SATA Ubuntu 9.10 x86 & Win7 x86 Asus VW222U 
KeyboardPowerCase
Logitech Classic Corsair 650HX NZXT Apollo Black 
  hide details  
Reply
post #23 of 35
Thread Starter 
Quote:
Originally Posted by Coma View Post
Well, he could use a string and when needed as an integer, explode it into an array of many 64bit integers.
Iterate on that array to do whatever calculation you need then put it back together into a string.

Though this has its limitations, since he won't be able to perform calculations on the entire thing as a whole (which he could with float...)
How large can a double be? I was told it is almost as fast as an integer.
Lee XT
(17 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-6300 Asus M5A97 SAPPHIRE Radeon HD 7850 AMD 4GB DDR3 1333MHZ 
RAMRAMRAMHard Drive
AMD 4GB DDR3 1333MHZ AMD 4GB DDR3 1333MHZ AMD 4GB DDR3 1333MHZ OCZ Vertex 4 256GB 
CoolingOSMonitorKeyboard
Corsair H80 Windows 8.1 Pro MCE Dell P2414H WHXV7  Microsoft Generic 
PowerCaseMouseMouse Pad
Ultra 600W Limited Edition NZXT Black Steel Razer Deathadder Razer Goliath 
Audio
Realtek HD Audio 
  hide details  
Reply
Lee XT
(17 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-6300 Asus M5A97 SAPPHIRE Radeon HD 7850 AMD 4GB DDR3 1333MHZ 
RAMRAMRAMHard Drive
AMD 4GB DDR3 1333MHZ AMD 4GB DDR3 1333MHZ AMD 4GB DDR3 1333MHZ OCZ Vertex 4 256GB 
CoolingOSMonitorKeyboard
Corsair H80 Windows 8.1 Pro MCE Dell P2414H WHXV7  Microsoft Generic 
PowerCaseMouseMouse Pad
Ultra 600W Limited Edition NZXT Black Steel Razer Deathadder Razer Goliath 
Audio
Realtek HD Audio 
  hide details  
Reply
post #24 of 35
Quote:
Originally Posted by Licht View Post
How large can a double be? I was told it is almost as fast as an integer.
52 binary decimal places
It goes to eleven
(13 items)
 
  
CPUMotherboardGraphicsRAM
E6300 DS3 EVGA 8600GTS 2GB XMS2 DDR2-800 
Hard DriveOSMonitorKeyboard
1.294 TB Arch Linux/XP Samsung 226bw Eclipse II 
PowerCaseMouse
Corsair 520HX Lian-Li v1000B Plus G7 
  hide details  
Reply
It goes to eleven
(13 items)
 
  
CPUMotherboardGraphicsRAM
E6300 DS3 EVGA 8600GTS 2GB XMS2 DDR2-800 
Hard DriveOSMonitorKeyboard
1.294 TB Arch Linux/XP Samsung 226bw Eclipse II 
PowerCaseMouse
Corsair 520HX Lian-Li v1000B Plus G7 
  hide details  
Reply
post #25 of 35
You're going to have to store your numbers in your own method. You could store 64-bits at a time, and when displaying it iterate through your 64-bit numbers.
Foldatron
(17 items)
 
Mat
(10 items)
 
Work iMac
(9 items)
 
CPUMotherboardGraphicsGraphics
i7 950 EVGA x58 3-way SLI EVGA GTX 660ti GTX 275 
RAMHard DriveHard DriveHard Drive
3x2GB Corsair Dominator DDR3-1600 80GB Intel X25-M SSD 2TB WD Black 150GB WD Raptor 
Hard DriveOSMonitorKeyboard
2x 150GB WD V-raptor in RAID0 Win7 Home 64-bit OEM 55" LED 120hz 1080p Vizio MS Natural Ergonomic Keyboard 4000 
PowerCase
750W PC P&C Silencer CoolerMaster 690 
CPUGraphicsRAMHard Drive
Intel Core i5 2500S AMD 6770M 8GB (2x4GB) at 1333Mhz 1TB, 7200 rpm 
Optical DriveOSMonitorKeyboard
LG 8X Dual-Layer "SuperDrive" OS X Lion 27" iMac screen Mac wireless keyboard 
Mouse
Mac wireless mouse 
CPUGraphicsRAMHard Drive
i7-2600K AMD 6970M 1GB 16GB PC3-10600 DDR3 1TB 7200rpm 
Hard DriveOptical DriveOSMonitor
256GB SSD 8x DL "SuperDrive" OS X 10.7 Lion 27" 2560x1440 iMac display 
Monitor
27" Apple thunderbolt display 
  hide details  
Reply
Foldatron
(17 items)
 
Mat
(10 items)
 
Work iMac
(9 items)
 
CPUMotherboardGraphicsGraphics
i7 950 EVGA x58 3-way SLI EVGA GTX 660ti GTX 275 
RAMHard DriveHard DriveHard Drive
3x2GB Corsair Dominator DDR3-1600 80GB Intel X25-M SSD 2TB WD Black 150GB WD Raptor 
Hard DriveOSMonitorKeyboard
2x 150GB WD V-raptor in RAID0 Win7 Home 64-bit OEM 55" LED 120hz 1080p Vizio MS Natural Ergonomic Keyboard 4000 
PowerCase
750W PC P&C Silencer CoolerMaster 690 
CPUGraphicsRAMHard Drive
Intel Core i5 2500S AMD 6770M 8GB (2x4GB) at 1333Mhz 1TB, 7200 rpm 
Optical DriveOSMonitorKeyboard
LG 8X Dual-Layer "SuperDrive" OS X Lion 27" iMac screen Mac wireless keyboard 
Mouse
Mac wireless mouse 
CPUGraphicsRAMHard Drive
i7-2600K AMD 6970M 1GB 16GB PC3-10600 DDR3 1TB 7200rpm 
Hard DriveOptical DriveOSMonitor
256GB SSD 8x DL "SuperDrive" OS X 10.7 Lion 27" 2560x1440 iMac display 
Monitor
27" Apple thunderbolt display 
  hide details  
Reply
post #26 of 35
Thread Starter 
Quote:
Originally Posted by rabidgnome229 View Post
52 binary decimal places
We do have a problem now don't we?
Lee XT
(17 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-6300 Asus M5A97 SAPPHIRE Radeon HD 7850 AMD 4GB DDR3 1333MHZ 
RAMRAMRAMHard Drive
AMD 4GB DDR3 1333MHZ AMD 4GB DDR3 1333MHZ AMD 4GB DDR3 1333MHZ OCZ Vertex 4 256GB 
CoolingOSMonitorKeyboard
Corsair H80 Windows 8.1 Pro MCE Dell P2414H WHXV7  Microsoft Generic 
PowerCaseMouseMouse Pad
Ultra 600W Limited Edition NZXT Black Steel Razer Deathadder Razer Goliath 
Audio
Realtek HD Audio 
  hide details  
Reply
Lee XT
(17 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-6300 Asus M5A97 SAPPHIRE Radeon HD 7850 AMD 4GB DDR3 1333MHZ 
RAMRAMRAMHard Drive
AMD 4GB DDR3 1333MHZ AMD 4GB DDR3 1333MHZ AMD 4GB DDR3 1333MHZ OCZ Vertex 4 256GB 
CoolingOSMonitorKeyboard
Corsair H80 Windows 8.1 Pro MCE Dell P2414H WHXV7  Microsoft Generic 
PowerCaseMouseMouse Pad
Ultra 600W Limited Edition NZXT Black Steel Razer Deathadder Razer Goliath 
Audio
Realtek HD Audio 
  hide details  
Reply
post #27 of 35
22/7 is a terrible approximation of Pi. MATLAB:

Code:
>> 22/7

ans =

    3.1429
It's off by the third decimal place, you're better off using your memory.

As far as programming it... I'm clueless, lol. I can imagine you would need to use some kind of power series though, something involving convergence.
A Poor Man's Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
E6750 Gigabyte P35-DS3L ASUS 9600 GSO A-DATA (4 x 1GB) PC6400 @ 800MHz 
Hard DriveOptical DriveOSMonitor
Lots of SATAs Sony DVD+-RW, Samsung Lightscribe DVD+-RW Vista Ultimate 32bit Samsung 22" LCD 
KeyboardPowerCaseMouse
Logitech LX710 Cooler Master eXtreme 500W Cooler Master 690 Logitech LX710 
Mouse Pad
  hide details  
Reply
A Poor Man's Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
E6750 Gigabyte P35-DS3L ASUS 9600 GSO A-DATA (4 x 1GB) PC6400 @ 800MHz 
Hard DriveOptical DriveOSMonitor
Lots of SATAs Sony DVD+-RW, Samsung Lightscribe DVD+-RW Vista Ultimate 32bit Samsung 22" LCD 
KeyboardPowerCaseMouse
Logitech LX710 Cooler Master eXtreme 500W Cooler Master 690 Logitech LX710 
Mouse Pad
  hide details  
Reply
post #28 of 35
post #29 of 35
Pi =not r^2
pi = r round.
post #30 of 35
The Pi is a lie
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Coding and Programming