blog.vorbrodt.me blog.vorbrodt.me

Rounding floating point numbers and constexpr

Good friend asked me a while ago how to round float or double to N digits of precision. Given 0.0123456789 and N = 7 how to get 0.0123457000 as the result. The only way to round numbers (inside a machine) I could think of was to multiply them by 10 ^ N (ten raised to the power of N), cast the result to some type of int effectively stripping the fractional part, followed by a cast back to a floating point representation and division by...

banknxt

Eleven Manage The Wan And Lan Network Settings

NETGEAR D6400 is a Wired/Wireless router that allows you to simply create your own community. In addition, this router includes a built-in Modem. Start enjoying your new device quicker than ever .NETGEAR needs to verify installation and administration is straightforward & simple, so you can join quickly & ensure you stay that method. AC1600 VDSL/ADSL Wi-Fi Modem Router with further excessive-power amplifiers offers Wi-Fi...

blogs.embarcadero.com blogs.embarcadero.com

Learn How To Use C++ Defaulted Functions For Windows Development With C++ Builder

A defaulted function is a function that contains =default; in its prototype. This construction indicates that the function’s default definition should be used. Defaulted functions are a C++11 specific feature. Defaulted functions example class A { A() = default; // OK A& operator = (A & a) = default; // OK void f() = default; // ill-formed, only special member...

programmer group

Simple understanding of Java's default and static methods

This article mainly introduces a simple understanding of Java default and static methods, the article through the example code is very detailed, for everyone’s study or work has a certain reference learning value, need friends can refer to On the default and static methods of Java Allowing default and static methods to be declared in interfaces is a new feature of JDK1.8. Existence is reasonable. The appearance of the two makes...