PHP floating point precision problem summary, php floating point precision. PHP floating point number precision problem summary, php floating point precision 1, PHP floating point precision loss first look at the following code: Copy the code: $ f0.5
A common problem with PHP floating-point numbers, PHP floating-point FAQ
PHP is a weak type of language, such a feature, it is necessary to have a seamless transparent implicit type conversion, PHP internal use Zval to save any type of value, Zval
37.5*5.5=206.08 (JS figure out is such a result, I rounded up to take two decimal places)I first suspect that the problem is rounding, just use JS to forget a result: 206.08499999999998How can this, two only one decimal number multiplication, how
PHP floating point accuracy problem summary, PHP floating point number accuracy
First, the accuracy of the PHP floating point loss problem
Let's look at the following code:Copy the Code code as follows:$f = 0.57;Echo intval ($f * 100); 56
The
Does CSS actually float?Overview of CSS floating attributes
Level: IntermediateMichael Russell (MikeRussell@VickiFox.com), System Architect, Vicki Fox productions, Inc.April 22, 2008
CSS float is a common tool used
/*Solve the JS floating point (decimal) calculation subtraction Bug start****************************************//*The addition function, which is used to obtain the exact addition result * * Explanation: JavaScript addition result will have the
PHP floating point usage and problem summary. There are many floating point number processing functions in php, including ceil, floor, round, and intval. after they are processed, they can return the expected floating point decimal places, next I
PHP floating point Precision problem summary, php floating point Precision
I. Precision loss of PHP floating point numbers
Let's take a look at the following code:Copy codeThe Code is as follows:$ F = 0.57;Echo intval ($ f * 100); // 56
The result
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37.5*5.5 = 206.08 (JS calculates this result, and I rounded it to two decimal places.) I first suspected it was A Rounding Problem. Then I used js to calculate the
I. Events
Recently, the project management fee was written in JS on the client. A major problem was found, such as 0.7*8.1 = 5.6699999999, 10.3-9.2 = 100000000014. Why are these problems? Is it a bug in JS's floating point operations? What should
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