rounding up and down

PHP takes integer functions commonly used in four ways: 1. Direct rounding, discarding decimals, preserving integers: intval ();2 Rounding and Rounding: round ();3. Rounding up, there are decimals on the addition of 1:ceil ();4. Rounding Down:

PHP takes integer functions commonly used in four ways:1. Direct rounding, discarding decimals, preserving integers: intval ();2 Rounding and Rounding: round ();3. Rounding up, there are decimals on the addition of 1:ceil ();4. Rounding Down: Floor (

In dealing with some of the data, we want to be able to use the "rounding" method, but C # uses the "four six into 50% pairs" method, such as the following example, is the "four six into 50% pairs" results obtained:Double D1 = Math.Round (1.25, 1);//

This article mainly introduces the PHP division operations rounded rounding, up rounding, down rounding, the use of fractional interception, has a certain reference value, now share to everyone, there is a need for friends can refer to PHP takes

The simple floating-point number types in Java float and double are not capable of operation. It's not just Java, it's also a problem in many other programming languages.What will we see if we compile and run the following program?public class Test {

When processing some data, we hope to use the "Rounding" method, but C # uses the "four homes, six homes, five into two" method, as shown in the following example, the result is obtained using "four homes, six homes, and five into two: Code

When processing some data, we hope to use the "Rounding" method, but C # uses the "four homes, six homes, five into two" method, as shown in the following example, the result is obtained using "four homes, six homes, and five into two: double d1 =

SQL Server ==================================================== "Round rounding Intercept" select round (54.56,0) ==================================================== "Rounding Down" select floor (54.56) ============================================ =

The C language has the following rounding methods:1, the direct assignment to the integer variable. Such as:int i = 2.5; or i = (int) 2.5;This method uses the rounding up of the decimal part 2, the integer division operator in C + +"/"has a

BigDecimal Rounding Mode Description:Rounding mode is inside Java.math.RoundingMode:Roundingmode.ceiling: Rounding mode rounded to the positive infinity direction. If the result is positive, the rounding behavior is similar to Roundingmode.up, and