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overflow

In computer programming, an integer overflow occurs when an arithmetic operation attempts to create a numeric value that is outside of the range that can be represented with a given number of digits – either higher than the maximum or lower than the minimum representable value.
The most common result of an overflow is that the least significant representable digits of the result are stored; the result is said to wrap around the maximum (i.e. modulo a power of the radix, usually two in modern computers, but sometimes ten or another radix).
An overflow condition may give results leading to unintended behavior. In particular, if the possibility has not been anticipated, overflow can compromise a program's reliability and security.
For some applications, such as timers and clocks, wrapping on overflow can be desirable. The C11 standard states that for unsigned integers modulo wrapping is the defined behavior and the term overflow never applies: "a computation involving unsigned operands can never overflow."On some processors like graphics processing units (GPUs) and digital signal processors (DSPs) which support saturation arithmetic, overflowed results would be "clamped", i.e. set to the minimum or the maximum value in the representable range, rather than wrapped around.

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  1. A

    Bath overflow pipe

    Hello everyone. New to the forum and looking for assistance / advice. I live in a rented house with a not very co-operative landlord. I have just discovered that my bath overflow drain pipe is not connected as the flexible drain tube looks like it has been cut off at some point. After studying...
  2. M

    SINK NOT DRAINING DUE TO NO OVERFLOW

    Hello We recently had a bathroom referb with a new sink and vanity unit that contained all new plumbing for it. The sink doesn't have an overflow and is draining really really slowly as I understand that there needs to be an air vent in the trap etc.. I know that this is pretty basic but know...
  3. T

    Cistern water tank overflow

    Hello, I’m new to the business so apologies if this is a stupid question. I was tracing the cistern tank overflow pipe and found it eventually went to nowhere. Basically a disaster waiting to happen. The problem I have is that this is a flat on the 2nd floor with no visible external overflow...
  4. M

    How to stop Back-flow into overflow ?

    My plumber did not install an overflow when my water softener was fitted, something I found out when it failed and flooded the floor ! I have installed a 12mm overflow hose into a compression T joint, however I'm getting back flow, from both the washing machine, and probably the water-softener...
  5. K

    Recommendations for a sealant for misaligned bath overflow

    hi all, I'm just sorting the drainage for my freestanding bath. Due to a slight misalignment of the drainage / manufacturing error I'm unable to get the rubber seal for the overflow totally compressed up against the bath. Any recommendations on an alternative to the rubber gasket like Plumbers...
  6. M

    Kitchen sink overflow

    Can this be fixed? The grill on the overflow on our kitchen sink fell out yesterday. I can feel whatever the grill was connected to when I put my finger in the hole, but can't see how I can get it back into position and screw the grill to it. Any suggestions please??
  7. X

    How do I fix overflow constantly running on ROS drinking water faucet?

    I have a ROS small faucet for drinking water. The main faucet in the kitchen works find. I recently replaced the main faucet but after reconnecting everything, the overflow on the ROS drinking water faucet will not stop running. The only thing connected to the ROS that I manipulated was an...
  8. J

    Hot water leaking at overflow

    Hi Overflow suddenly spouting out luke warm water to outside of house, checked on down pipe in photo leads exterior overflow, could put finger spout when overflowing and its luke warm water. Why is it overflowing? Lot of water coming out. Photo attached of side of tank to show above. What is...
  9. N

    Pop Up Waste Suits Overflow & Non-overflow Basins

    Hi Everyone, I recently brought a replacement Pop Up Waste from Argent K316-DL & the spec states it suits both overflow & non-overflow basins. However it has no slotted waste opening. How could this be used with sinks with an overflow hole & still prevent sink overflow? Thanks Natalie Argent...
  10. @

    Need to cap a hole after removing an overflow pipe

    I have an overflow pipe (standard diameter 21.5mm) sticking out through a hole in a white uPVC fascia board at our house, but the overflow pipe is no longer required and could be removed. However, before removing it, I need some way of capping the hole - a white barrel plug, for example. Does...
  11. B

    Cold water storage tank overflow

    Hi, I wonder if you could help me. The overflow pipe drips intermittently from the large cold water storage tank in the loft. Not the small F and E tank. The ball valve has been checked and is working ok. The vent pipe from the hot water cylinder is not venting any water into the tank, and the...
  12. G

    Overflow Bath filler and valves

    Hi, I'm really struggling to find out what part I need to use deck valves like this with a overflow bath filler. Most bath fillers seem to only have one connection. This one has 2, one for hot one for cold which looks like it could work. Anything I'm missing? thanks
  13. D

    oil boiler overflow dripping

    Hi, We have a Grant oil combi boiler. Only 3 years old. Been a right pain. Already had expansion vessel replaced and the 3 bar PRV and another thing that I have forgotten name of, but it has a load of copper mini pipes is a square loop. Then when it was really cold the overflow started chucking...
  14. K

    Bath overflow and drainage misaligned

    Hi all I purchased a freestanding bath and when I came to cut the holes for the taps I realised the hole for the overflow is misaligned with the drainage (see photo). There's some room within the overflow hole that allows me to straighten the chrome fitting in line with the drainage, but not...
  15. R

    Overflow from Expansion tank Dripping

    I hope someone might explain to me why the overflow from the expansion tank drips in the morning for about an hour after the heating fires up, it then stops and does not drip again during the day. I have a fully pumped "Y" system as show on the accompanying drawing the dripping occurs on the...
  16. K

    Dripping overflow not ballcock

    Hi hopefully someone can advide me on this matter . I got new complete new bathroom refurbished ths next day overflow outside started dripping. As usual company said not there problem to check ballcock which i have by plumber nothing wrong with this . I am really looking for a different answer...
  17. N

    Small header tank in loft and overflow

    Hi I have noticed dripping from the overflow pipe coming from the header tank (smaller tank in loft) not sure why but I cannot adjust the ball value thing or how to. I have removed some water from the tank but there is a copper pipe which should sit in the tank but not where it feeds to Any...
  18. gavdtra

    Hot water coming out of overflow

    Hot water coming out of overflow pipe. It's not dripping, it's pouring out. The tank hasn't been switched on for ages. It's an immersion heater. I'm thinking the water is boiling in it and overflowing but not sure.
  19. A

    Belfast Sink Overflow

    Hi, Got a Shaws Belfast Sink (model so900010wh l) however I have no idea what connection to get for the overflow. Picture attached; kitchen fitter has already siliconed it in so not the best of angles. Any help greatly appreciated Thanks, Andy
  20. M

    Kitchen Sink Waste Overflow Connection

    Hi I was wondering if someone could please tell me how to connect the flex pipe from sink overflow drain in to waste trap below? It is the Cooke & Lewis Waste Kit ‘B’ If I can add pictures then I can show?
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