Recent questions tagged floating

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floating point - storing money amounts in mysql

I want to store 3.50 into a mysql table. I have a float that I store it in, but it stores as 3.5, not ... I get it to have the trailing zero? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - Comparing float and double in C

I wrote the following code to compare between a float variable and a double variable in C. int main() { float ... . Am I missing something here? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - C: printf a float value

I want to print a float value which has 2 integer digits and 6 decimal digits after the comma. If I just ... zeros after that or something)? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - BigDecimal in JavaScript

I'm very new to JavaScript (I come from a Java background) and I am trying to do some financial calculations ... maintained and is not broken? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - Python float to int conversion

Basically, I'm converting a float to an int, but I don't always have the expected value. Here's the code I'm ... using Python 2.7.2 by the way. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - How do I round a number in JavaScript?

While working on a project, I came across a JS-script created by a former employee that basically creates a ... floats and makes them integers? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - Arithmetic expressions in Bash?

I had used several ways to do some simple integer arithmetic in BASH (3.2). But I can't figure out the best ( ... result=`echo "7/354" | bc` See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - Is there a function to round a float in C or do I need to write my own?

Is there a function to round a float in C or do I need to write my own? float conver = 45.592346543; I ... one decimal place, conver = 45.6. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - Why does modulus operator return fractional number in javascript?

Why does 49.90 % 0.10 in JavaScript return 0.09999999999999581? I expected it to be 0. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point issue in R?

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - JavaScript displaying a float to 2 decimal places

I wanted to display a number to 2 decimal places. I thought I could use toPrecision(2) in JavaScript . However, ... (I hope) something like this is built in? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - Get decimal portion of a number with JavaScript

I have float numbers like 3.2 and 1.6. I need to separate the number into the integer and decimal part. For ... gives remainder = 1.1 What I am missing here? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - Precision error with floats in Java

I'm wondering what the best way to fix precision errors is in Java. As you can see in the following example ... I'll try the other solutions such as BigDecimal Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - Truncate (not round off) decimal numbers in javascript

I am trying to truncate decimal numbers to decimal places. Something like this: 5.467 -> 5.46 985.943 -> ... rounded off. Hope this is possible in javascript. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - What is the difference between quiet NaN and signaling NaN?

I have read about floating-point and I understand that NaN could result from operations. But I can't understand what ... I write a program that causes an sNaN? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - Convert String to Float in Swift

I'm trying to convert numbers taken from a UITextField, which I presume, are actually Strings, and convert them to ... no idea how to convert them to floats. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - negative zero in python

I encountered negative zero in output from python; it's created for example as follows: k = 0.0 print(-k) The ... there any hidden traps I should be aware of? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - Dealing with float precision in Javascript

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - Why does (360 / 24) / 60 = 0 ... in Java

I am trying to compute (360 / 24) / 60 I keep getting the answer 0.0 when I should get 0.25 In words ... really stupid, or is there a good reason for this Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - How to convert float to int with Java

I used the following line to convert float to int, but it's not as accurate as I'd like: float a=8.61f; int b; b ... be -8) What's the best way to do it ? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - How to convert a Decimal to a Double in C#?

I want to use a Track-Bar to change a Form's opacity. This is my code: decimal trans = trackBar1.Value / ... This code worked fine in a past VB.NET project. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating accuracy - How to do an integer log2() in C++?

In the C++ standard libraries I found only a floating point log method. Now I use log to find the level of ... so that it always will return a correct answer? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - Java:Why should we use BigDecimal instead of Double in the real world?

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - Java: Why do you need to specify an 'f' in a float literal?

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - Haskell ranges and floats

Why is the behavior of the Haskell range notation different for floats than for integers and chars? Prelude> [1, ... but this is obviously not a rounding issue. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - When should I use the "strictfp" keyword in java?

I've looked up what this does, but does anyone actually have an example of when you would use the strictfp ... putting it on all my floating point operations? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - How to represent FLOAT number in memory in C

While reading a tutorial I came across how to represent Float number in memory. The tutorial had an example ... in memory in above the above diagram? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - Float and double datatype in Java

The float data type is a single-precision 32-bit IEEE 754 floating point and the double data type is a double- ... I use float instead of double or vice-versa? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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