Mac firewall little snitch alternative. In the C Programming Language, the atan function returns the arc tangent of x.
The atan2 is an inbuilt function in C STL which returns tangent inverse of (y/x), where y is the proportion of the y-coordinate and x is the proportion of the x-coordinate. The numeric value lies between – and representing the angle of a (x, y) point and positive x-axis. It is the counterclockwise angle, measured in radian, between the positive X-axis, and the point (x, y). Double asin (double x); float asin (float x); long double asin (long double x); double asin (T x); // additional overloads for integral types Compute arc sine Returns the principal value of the arc sine of x.
Syntax
Sep 30, 2019 Computes the inverse tangent of each element of a vector. Developer Reference for Intel® Integrated Performance Primitives. This is all well and good, but in order to compute π, we need to compute arctan now. We could try to use a standard function from cmath, but let’s write our own function to compute arctan. Mathematicians tell us an easy formula to use is. Arctan(x) = x - x^3/3 + x^5/5 - x^7/7 + x^9/9.
The syntax for the atan function in the C Language is:
Parameters or Arguments
- x
- The value used to calculate the arc tangent.
Returns
Dev C++ Arctan Chart
The atan function returns the arc tangent of a number represented by x. It will return a value between -π/2 and π/2.
Required Header
In the C Language, the required header for the atan function is:
Applies To
In the C Language, the atan function can be used in the following versions:
- ANSI/ISO 9899-1990
atan Example
When compiled and run, this application will output:
Similar Functions
Arctan In C
Other C functions that are similar to the atan function: