floating-point

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Can anyone explain this floating point weirdness to me?

I was trying to loop through all possible values of a float like this: float i = 0.0F; float epsilon = float.Epsilon;[详细]

2023-04-11 10:37 分类：问答
Is there a functional difference between "2.00" and "2.00f"?

I ask because I am using the Box2D library, which calls for mostly float arguments. Although I see a lot of 开发者_运维知识库example code that uses the 0.00f format, I am not quite sure if there is an[详细]

2023-04-11 10:19 分类：问答
iPhone: How do you truncate a float without rounding?

I need to simply truncate a floating point number (truncate and not round it). float FloatNum = 43.682开发者_运维知识库3921;[详细]

2023-04-11 06:48 分类：问答
Why are there mistakes in calculations of floats and doubles?

I always wondered why the floats aren\'t really acurate when computers should give the precise answer. I read in a book somewhere that it is better to compare a variable to a number around the value w[详细]

2023-04-11 06:25 分类：问答
Trusting floating point arithmetic

I know there are problem with numbers like 0.3 which cannot be expressed using floating point numbers so they generate floating point errors.[详细]

2023-04-11 05:37 分类：问答
How are floating point numbers stored in memory?

I\'ve read that they\'re stored in the form of mantissa and exponent I\'ve read this document but I could not understand anyt开发者_Go百科hing.To understand how they are stored, you must first unders[详细]

2023-04-11 02:31 分类：问答
Convert String to float in c++

I want to convert a std::string which I read from a csv file 开发者_Go百科to a float. There are several float representations included like:[详细]

2023-04-10 18:07 分类：问答
Floating point representation error in Python [duplicate]

This question already has answers here: Closed 11 years ago. Possible Duplicate: How is floating point stored? When does it matter?[详细]

2023-04-10 18:05 分类：问答
Couldn't match expected type - Haskell

I\'m new to Haskell and still can\'t quite figure out these type issues.I\'m getting e开发者_高级运维rrors for the following function:[详细]

2023-04-10 04:30 分类：问答
matlab and c differ with cos function

I have a program implemented in matlab and the same program in c, and the results differ. I am bit puzzled that the cos function does not return the exact same result.[详细]

2023-04-10 04:03 分类：问答