What is the C++ function to raise a number to a power?

How do I raise a number to a power?

2^1

2^2

2^3

etc...

Solution

pow() in the cmath library. More info here. Don't forget to put #include<cmath> at the top of the file.

How portable is code with #pragma optimize?
Make warn_unused_result applied to all function with GCC
Multiple threads and CPU cache
Linking error vs. compilation error
how to compile multiple instances of a source file linking to it different files.o
Background compile in VS2010 and C/C++
What Turing complete macro languages are available for C/C++
How to use Cython to compile Python 3 into C
Are forward declarations needed when the typedef declaration is done?
How to assign real and imaginary parts of complex variables in C
Strict aliasing between Complex numbers and real numbers in C
How to CORRECTLY install gsl library in Linux?
Using = operator on atomic variable?
Unknown conversion types in this program I'm meant to compile
Iterator in C language
Treating __func__ as a string literal instead of a predefined identifier
c - strcpy with struct string returning error
Segmentation fault when executing a Python script in a C program?
Questions about C Function Prototypes and Compilation
What is the purpose of "-Wa,option" in GCC?
Do we have c99 subflags
netcat gcc compile option so that IDA pro can show function name
What is the correct way to free output buffer after call to openssl::i2d_X509?
How can I link C++ files to a C program?
Why doesn't this program in C compile? Error: undefined reference to `i2c_smbus_read_byte_data'
integer promotion isn't taken into account
Why do I get a SEGFAULT when I try to sort an array of integers using K & R code examples?
Are C preprocessor statements a part of the C language?
FFMPEG Api conversion from YUV420P to RGB produces strange output
Why is the tree constructed this way incorrect?