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What are the float operators?

小老鼠
小老鼠Original
2023-10-10 15:47:581699browse

float operators include addition, subtraction, multiplication, division, remainder, auto-increment, auto-decrement, compound assignment, comparison, logic and other operators. Detailed introduction: 1. Addition operator ( ), used to add two float type values ​​and return their sum; 2. Subtraction operator (-), used to subtract one float type value from another float Type values ​​return their difference; 3. Multiplication operator (*), used to multiply two float type values ​​and return their product; 4. Division operator (/) and so on.

What are the float operators?

Operating system for this tutorial: Windows 10 system, Dell G3 computer.

float is a data type used to represent floating point numbers in programming. A floating point number is a numerical value with a decimal part. In computers, float type variables can perform various operations. The following are some common uses of float operators:

1. Addition operator ( ): used to add two float type values ​​and return their sum.

For example: float a = 2.5;

float b = 1.3;

float c = a b; // The value of c is 3.8

2. Subtraction operator (-): used to subtract a float type value from another float type value and return their difference.

For example: float a = 5.7;

float b = 2.1;

float c = a - b; // The value of c is 3.6

3. Multiplication operator (*): used to multiply two float type values ​​and return their product.

For example: float a = 2.5;

float b = 1.5;

float c = a * b; // The value of c is 3.75

4. Division operator (/): used to divide a float type value by another float type value and return their quotient.

For example: float a = 6.0;

float b = 2.0;

float c = a / b; // The value of c is 3.0

5. Remainder operator (%): used to find the remainder of the division of two float type values.

For example: float a = 5.5;

float b = 2.0;

float c = a % b; // The value of c is 1.5

6. Increment operator ( ): used to increase the value of a float type variable by 1.

For example: float a = 2.5;

a ; // The value of a becomes 3.5

7. Decrement operator (--): used to change a The value of a float type variable is decreased by 1.

For example: float a = 2.5;

a--; // The value of a becomes 1.5

In addition to the above basic operators, the float type also supports some other Special operators, such as:

- Compound assignment operators (=, -=, *=, /=): used to operate a float type variable with another value and assign the result to this variable.

- Comparison operators (==, !=, <, >, <=, >=): used to compare the size relationship between two float type values ​​and return a Boolean value ( true or false).

- Logical operators (&&, ||, !): used to perform logical operations on two or more Boolean expressions and return a Boolean value.

To summarize, float type variables can perform various numerical operations using operators such as addition, subtraction, multiplication, division, remainder, auto-increment, and auto-decrement. These operators can help us perform precise calculations and processing of floating point numbers in programming.

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