Recent questions tagged floating

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floating point - Java: How to convert a String of Binary values to a Float and vice-versa?

How do I convert the float value of 12345.12346f to a String of binary values, i.e. "0011010101010101", and vice-versa? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - Python Class with integer emulation

Given is the following example: class Foo(object): def __init__(self, value=0): self.value=value def __int__(self): ... with Python 2.5 and 2.6 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating accuracy - Do FP operations give EXACTLY the same result on various x86 CPUs?

Do different x86 CPUs (with build-in FPUs and reasonably recent, say launched this millenium) produce exactly the same ... , and the real one. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - round in PHP shows scientific notation instead of full number

I'm trying to do an echo of a variable containing 1400000. so there is written: echo round(1400000); this gives ... on how to display it fully? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - how to convert a string to float and avoid using try/catch in java?

There are some situation that I need to convert string to float or some other numerical data-type but there ... similar to C# TryParse? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - Dynamic Float Format Specifier in C

Is there any way to have a user inputed float format specifier? For example, if I print this. float c = 15.0123 ... , c); // outputs: 15.012 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating accuracy - Do FP operations give EXACTLY the same result on various x86 CPUs?

Do different x86 CPUs (with build-in FPUs and reasonably recent, say launched this millenium) produce exactly the same ... , and the real one. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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673 views

1 answer

floating point - round in PHP shows scientific notation instead of full number

I'm trying to do an echo of a variable containing 1400000. so there is written: echo round(1400000); this gives ... on how to display it fully? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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616 views

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floating point - how to convert a string to float and avoid using try/catch in java?

There are some situation that I need to convert string to float or some other numerical data-type but there ... similar to C# TryParse? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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678 views

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floating point - Dynamic Float Format Specifier in C

Is there any way to have a user inputed float format specifier? For example, if I print this. float c = 15.0123 ... , c); // outputs: 15.012 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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547 views

1 answer

floating point - How can I add floats together in different orders, and always get the same total?

Let's say I have three 32-bit floating point values, a, b, and c, such that (a + b) + c ... arbitrary precision arithmetic if possible. Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - Are there any whole numbers which the double cannot represent within the MIN/MAX range of a double?

I realize that whenever one is dealing with IEEE 754 doubles and floats, some numbers can't be represented especially ... wouldn't be a problem? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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706 views

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floating point - NaN Literal in C?

How do you write an NaN floating-point literal in C? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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540 views

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floating point - Representation of float in C

I was trying to understand the floating point representation in C using this code (both float and int are 4 ... problem with the printf command. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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864 views

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floating point - Constant truncated to integer

The following GO program gives the error: ./fft.go:13: constant -6.28319 truncated to integer ./fft.go:13: cannot ... int in a type of float64 ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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876 views

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floating point - Why does Java BigDecimal return 1E+1?

Why does this code sometimes return 1E+1 whilst for other inputs (e.g. 17) the output is not printed in ... println("value: " + bigDecimal); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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643 views

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floating point - Convert/Quantize Float Range to Integer Range

Say I have a float in the range of [0, 1] and I want to quantize and store it in an unsigned byte. ... to the highest unsigned byte (255). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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floating point - Convert ieee 754 float to hex with c - printf

Ideally the following code would take a float in IEEE 754 representation and convert it into hexadecimal void ... Help would be appreciated See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - Data type mismatch in fortran

I've written a rudimentary algorithm in Fortran 95 to calculate the gradient of a function (an example of ... a single precision number. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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575 views

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floating point - What exactly does Double mean in java?

I'm extremely new to Java and just wanted to confirm what Double is? Is it similar to Float or Int? Any help ... this means that'd be great! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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517 views

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floating point - Converting from double to float in Java

If I'm working with a double, and I convert it to a float, how does this work exactly? Does the ... concept of float and double conversions. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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422 views

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floating point - What is this "denormal data" about ? - C++

I would like to have a broad view about "denormal data" and what it's about because the only thing that I think ... and only the C++ language. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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735 views

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floating point - Android RatingBar doesn't accept float values

I have an android rating bar in my app, and it only displays int ratings. For example: float ratingValue = 1.5f; ... stars, or two and a half? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - Java float 123.129456 to 123.12 without rounding

How do you cut down float primitive in java to two decimal places, without using rounding?: 123.99999 to 123. ... Float(sbFloat.toString()); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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floating point - double-double implementation resilient to FPU rounding mode

Context: double-double arithmetic Double-double is a representation of numbers as the sum of two double-precision ... in any rounding mode. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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412 views

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floating point - Number of consecutive zeros in the decimal representation of a double

What is the maximum number of consecutive non-leading non-trailing zeros (resp. nines) in the exact ... decimal representations to doubles. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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582 views

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floating point - Haskell: Unexpected output for expression [0, 0.1 .. 1]

When evaluating the expression: *main> [0, 0.1 .. 1] I was actually expecting: [0, 0.1, 0. ... does Haskell produce that result upon evaluation? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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693 views

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floating point - divide by zero - c programming

I have a question about the next code: int main { double x = 0; double y = 0/x; if(y==1) {..... ... is a runtime error. What is the difference? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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