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by: tarmat |
last post by:
I'm trying to create a function that will turn a float into a
std::string that always shows the number to two decimal places. I have
the following but it doesn't give the desired output:
inline std::string ftos(float f)
{
std::ostringstream buffer;
buffer << std::setprecision(2) << f;
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by: Woodster |
last post by:
I am using the std::setprecision function to format variables of type
double in a string however I am unsure how to stop this appearing in
scientific notation.
For example
std::stringstream buffer;
buffer << setprecision(1) << 40.0 << "° C";
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by: Gary Wessle |
last post by:
hi
the code below is giving me what I want but it is very ugly. and will
not work for a long list of different length numbers.
could you please look at it and comment.
thank you
the desired output is:
0.555504 of an inch foreach 12.55
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by: Wing |
last post by:
Hello everyone,
I have the following code:
///////////////////////////////////////
double num;
num=1234567890;
num+=(1.0/3.0);
cout.setf(ios::fixed);
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by: Anjo Gasa |
last post by:
I'm having some cases where setprecision in combination with iostreams
gives some unepected behavior. Consider the following program:
#include <iostream>
#include <iomanip>
int _tmain(int argc, _TCHAR* argv)
{
float value = 0.063397526741027832;
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by: jacek.dziedzic |
last post by:
Hello!
Can someone tell me what the expected output of the following
program is?
#include <fstream>
#include <iomanip>
using namespace std;
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by: mahesh.kanakaraj |
last post by:
Hi All,
I am new to C++ programming. I encounter an unexpected behavior of
'setprecision'.
The code snippet is :
#include <iostream.h>
#include <stdio.h>
#include <iomanip.h>
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by: PengYu.UT |
last post by:
Hi,
I setprecision to be 100 for both cases. I'm wondering why the number
of digits are different.
Also, for a double number, I think any digits that are longer than 15
(or 16) are not meaningful, because it exceed the double number's
precision limit. Even if I setprecision to be 100, shall it truncate
the number to be of 15(or 16) digits?
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by: victoryusami |
last post by:
I'm not 100% sure whats even going on, but I'm working on a C++ assignment for school, and its a road trip program
#include <iostream>
#include <iomanip>
using namespace std;
char const METRIC = 'M'; // Input read as metric
char const ENGLISH = 'E'; // Input read as english
char const QUIT = 'Q'; // Input read to quit program
char const QUIT2 = 'q'; // Input read to quit program
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by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main usage, and What is the difference between ONU and Router. Let’s take a closer look !
Part I. Meaning of...
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it.
Here is my compilation command:
g++-12 -std=c++20 -Wnarrowing bit_field.cpp
Here is the code in...
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by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
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by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
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by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then launch it, all on its own....
Now, this would greatly impact the work of software developers. The idea...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
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