What does double stand for in C language

The double data type in C language is used to represent double-precision floating point numbers, with a larger range (-1.7e308 to 1.7e308) and higher precision (up to 15 significant digits), suitable for applications that require more In high-precision situations, double has the advantages of larger range and higher precision than float.

Double in C language

In C language, double is a floating point number Data type used to represent double-precision floating point numbers.

Features:

• Range: double can represent larger than float A range of numbers that can represent approximately -1.7e308 to 1.7e308.
• Precision: double has higher precision than float, and can represent up to 15 significant digits in the decimal part.

Usage:

double The data type is usually used in situations where higher precision is required, such as:

• Scientific Computing
• Financial Application
• Engineering Simulation
• Big Data Processing

The difference between float and float:

Compared with the float data type, double has the following advantages:

• The range is larger
• The precision is better High
• can represent more complex data

Example:

Declare a double variable:

<code class="c">double pi = 3.141592653589793;</code>

Output the value of pi:

<code class="c">printf("Pi is approximately: %f\n", pi);</code>

Note:

• Due to double data type precision Higher, it takes up more memory space and processing time.
• In most cases, the float data type is sufficient unless higher precision is required.

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