Help in C Programming: Fixing Errors with nr.h & nrutil.h Libraries

[charlespune]

What are the functions of the following C libraries?
nr.h
nrutil.h
What I understood is that these are used when u are calling functions like 'qromb or polint or trapzd' for integration. Acutally when I compile the program I get these errors.
nr.h: No such file or directory
nrutil.h: No such file or directory
I searched in net , but can't fix it. How can I add those libraries?

 

[HallsofIvy]

Check here:
http://www.robertnz.net/inrcpp.htm

 

[quicknote]

As a scientist, it is important to have a strong understanding of the tools and libraries you are using in your programming. The nr.h and nrutil.h libraries are commonly used in C programming for scientific and numerical computations. These libraries provide functions for various mathematical operations such as integration, interpolation, and matrix operations.

In order to fix the errors you are encountering, you will need to add these libraries to your program. This can be done in a few different ways depending on your programming environment. One way is to download the libraries from a trusted source and add them to your project directory. You can then include them in your code using the #include directive.

Another way is to install the libraries through a package manager or compiler. If you are using an integrated development environment (IDE), there may be an option to add external libraries to your project. You can also consult the documentation for your compiler to find out how to add external libraries.

It is also important to ensure that you are using the correct versions of these libraries for your program. Make sure to check the compatibility of the libraries with your compiler or IDE.

In summary, the nr.h and nrutil.h libraries are essential for scientific and numerical computations in C programming. By adding them to your program, you will have access to a wide range of mathematical functions. If you are having trouble adding these libraries, consult the documentation for your programming environment or seek assistance from a more experienced programmer.