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java Programming Glossary: floatingWhat's wrong with using == to compare floats in Java? http://stackoverflow.com/questions/1088216/whats-wrong-with-using-to-compare-floats-in-java this java.sun page is the equality comparison operator for floating point numbers in Java. However when I type this code if sectionID.. values compared with What is wrong with using to compare floating point values What is the correct way to do it java equality.. values What is the correct way to do it java equality floating accuracy share improve this question the correct way to..
When comparing two Integers in Java does auto-unboxing occur? http://stackoverflow.com/questions/1514910/when-comparing-two-integers-in-java-does-auto-unboxing-occur is performed if this promoted type is float or double then floating point comparison is performed. Note how none of this is considered..
Floating point arithmetic not producing exact results in Java http://stackoverflow.com/questions/1661273/floating-point-arithmetic-not-producing-exact-results-in-java not producing exact results in Java I need to do some floating point arithmetic in Java as shown in the code below public class.. I get 2.180000000000001 instead of 2.18. What use are floating point numbers is you can't trust the results of arithmetic performed.. performed on them How can I get around this issue java floating point share improve this question If you need exact decimal..
Round a double to 2 decimal places http://stackoverflow.com/questions/2808535/round-a-double-to-2-decimal-places bd.doubleValue And in every case Always remember that floating point representations using float and double are inexact . For..
Java Integer division: How do you produce a double? http://stackoverflow.com/questions/3144610/java-integer-division-how-do-you-produce-a-double significant bits of the value. In this case the resulting floating point value will be a correctly rounded version of the integer..
Retain precision with Doubles in java [duplicate] http://stackoverflow.com/questions/322749/retain-precision-with-doubles-in-java get this to just print or be able to use it as 11.4 java floating point double precision share improve this question When you..
Why not use Double or Float to represent currency? http://stackoverflow.com/questions/3730019/why-not-use-double-or-float-to-represent-currency very good reason I simply do not know what it is. P java floating point currency share improve this question Because floats.. most base 10 rational numbers. This is how an IEEE 754 floating point number works it dedicates a bit for the sign a few bits.. As a simple example you simply cannot store 0.1 inside a floating point variable. You'll get the nearest representable value which..
Why the result of 1/3=0 in java? http://stackoverflow.com/questions/4685450/why-the-result-of-1-3-0-in-java given as floats 3.0 and 1.0 or even just the first then floating point arithmetic is used giving you 0.333... . share improve..
Moving decimal places over in a double http://stackoverflow.com/questions/4937402/moving-decimal-places-over-in-a-double In short rounding is unavoidable for sensible answers in floating point whether you are doing this explicitly or not. Note x 100..
How to nicely format floating numbers to String without unnecessary decimal 0? http://stackoverflow.com/questions/703396/how-to-nicely-format-floating-numbers-to-string-without-unnecessary-decimal-0 to nicely format floating numbers to String without unnecessary decimal 0 An 64 bit double.. understand the problem before answering. java string floating point format double share improve this question If the idea..
The Use of Multiple JFrames, Good/Bad Practice? http://stackoverflow.com/questions/9554636/the-use-of-multiple-jframes-good-bad-practice this then proceed. Multiple frames do not. A dialog or floating tool bar with a parent will come to front when the parent is.. or JOptionPane instances appear for the rest of the free floating elements using the frame as the parent for the dialogs. Many..
What's wrong with using == to compare floats in Java? http://stackoverflow.com/questions/1088216/whats-wrong-with-using-to-compare-floats-in-java into my editor and run static analysis I get JAVA0078 Floating point values compared with What is wrong with using to compare..
http://stackoverflow.com/questions/12954193/why-does-division-by-zero-with-floating-point-or-double-precision-numbers-not specified in the IEEE 754 standard which is what Java's Floating Point Operations are based on. Why doesn't division by zero..
Java Math.cos(Math.toRadians(<angle>)) returns weird values http://stackoverflow.com/questions/13100144/java-math-cosmath-toradiansangle-returns-weird-values pi 2 Because pi 2 can't be represented exactly in IEEE 754 Floating point it means that it must be off by some value x i.e it is..
Why do floating points have signed zeros? http://stackoverflow.com/questions/13544342/why-do-floating-points-have-signed-zeros zero What Every Computer Scientist Should Know About Floating Point Arithmetic See Signed Zero section PDF Much Ado About..
Floating point arithmetic not producing exact results in Java http://stackoverflow.com/questions/1661273/floating-point-arithmetic-not-producing-exact-results-in-java point arithmetic not producing exact results in Java I need.. of values given as output by the Betfair spinner widget . Floating point arithmetic in Java seems to introduce some unexpected.. Then read What Every Computer Scientist Should Know About Floating Point Arithmetic for the background of why you're getting those..
whats the difference between float & double in java http://stackoverflow.com/questions/16627813/whats-the-difference-between-float-double-in-java
Whats wrong with this simple 'double' calculation? [duplicate] http://stackoverflow.com/questions/16707397/whats-wrong-with-this-simple-double-calculation certain numbers can't be exactly expressed in binary . Floating point numbers aren't exact but only from a decimal point of..
Why does this subtraction not equal zero? http://stackoverflow.com/questions/2002821/why-does-this-subtraction-not-equal-zero article What Every Computer Scientist Should Know About Floating Point Arithmetic for a detailed explanation of this problem..
How can “while (i == i) ;” be a non-infinite loop in a single threaded application? http://stackoverflow.com/questions/471296/how-can-while-i-i-be-a-non-infinite-loop-in-a-single-threaded-applicati is elaborated in the Java Language Specification under Floating Point Types Formats and Values NaN is unordered so the numerical..
How can a primitive float value be -0.0? What does that mean? http://stackoverflow.com/questions/6724031/how-can-a-primitive-float-value-be-0-0-what-does-that-mean by adding 0.0 e.g. Double.toString value 0.0 See Java Floating Point Number Intricacies Operations Involving Negative Zero..
java double precision [duplicate] http://stackoverflow.com/questions/8761123/java-double-precision precision duplicate Possible Duplicate Precision of Floating Point double a 0.000001 b 50000 b a b System.out.println double..
Why does Double.NaN==Double.NaN return false? http://stackoverflow.com/questions/8819738/why-does-double-nan-double-nan-return-false means Not a Number . Java Language Specification JLS says Floating point operators produce no exceptions §11 . An operation that..
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