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# What is the asinh() function in D? Harris Amjad

Grokking Modern System Design Interview for Engineers & Managers

Ace your System Design Interview and take your career to the next level. Learn to handle the design of applications like Netflix, Quora, Facebook, Uber, and many more in a 45-min interview. Learn the RESHADED framework for architecting web-scale applications by determining requirements, constraints, and assumptions before diving into a step-by-step design process.

## Overview

The asinh() function returns the inverse hyperbolic sine of a number.

The figure below shows the mathematical representation of the asinh() function.

Mathematical representation of the inverse hyperbolic sine function

Note: std.math is required for this function.

### Syntax

//number can be real, float, or double.
asinh(number)


### Parameters

This function requires a number as a parameter.

### Return value

asinh() returns the inverse hyperbolic sine of the number sent as a parameter.

### Example

The code below demonstrates how to use the asinh() function in D.

import core.stdc.stdio;import std.stdio;//header required for functionimport std.math;int main() {    //positive number    writeln("The value of asinh(0.5): ",asinh(0.5) );    // negative number    writeln("The value of asinh(-0.5): ",asinh(-0.5));    //zero    writeln("The value of asinh(0.0): ",asinh(0.0) );    return 0;}

### Explanation

• Line 4: We add the std.math header required for asinh() function.
• Line 8: We calculate the inverse hyperbolic sine of the positive number using asinh().
• Line 11: We calculate the inverse hyperbolic sine of the negative number using asinh().
• Line 14: We calculate the inverse hyperbolic sine of zero using asinh().

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asinh
math
communitycreator

CONTRIBUTOR Harris Amjad

Grokking Modern System Design Interview for Engineers & Managers

Ace your System Design Interview and take your career to the next level. Learn to handle the design of applications like Netflix, Quora, Facebook, Uber, and many more in a 45-min interview. Learn the RESHADED framework for architecting web-scale applications by determining requirements, constraints, and assumptions before diving into a step-by-step design process.

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