floor Questions
12
Solved
I'm trying to use floor database but when i want to build database i got below error :
E/flutter (26007): [ERROR:flutter/lib/ui/ui_dart_state.cc(157)] Unhandled Exception: MissingPluginException(No...
6
Solved
Is there any difference between floor() and intval()? Though both returns the same results, is there any issue with regard to performance? Which of the two is faster? Which is the right php functio...
Janey asked 28/4, 2016 at 20:17
7
Solved
I have a pandas series series. If I want to get the element-wise floor or ceiling, is there a built in method or do I have to write the function and use apply? I ask because the data is big so I ap...
20
Solved
I need to round times down to the nearest quarter hour in PHP. The times are being pulled from a MySQL database from a datetime column and formatted like 2010-03-18 10:50:00.
Example:
10:50 need...
3
Solved
I´m looking for an alternative for the ceil() and floor() functions in C, due to I am not allowed to use these in a project.
What I have build so far is a tricky back and forth way by the use of t...
7
Solved
I have found two ways of taking floors in Python:
3.1415 // 1
and
import math
math.floor(3.1415)
The problem with the first approach is that it return a float (namely 3.0). The second approa...
Bedroom asked 22/2, 2012 at 23:36
6
Solved
I'd like a floor function with the syntax
int floor(double x);
but std::floor returns a double. Is
static_cast <int> (std::floor(x));
guaranteed to give me the correct integer, or could...
3
Solved
8
Solved
I would say all programming languages have functions with these names to choose the lesser or greater of two values:
min() & max()
floor() & ceil() / ceiling()
And some languages have b...
3
I have array of floats, and I want to floor them to nearest integer, so I can use them as indices.
For example:
In [2]: import numpy as np
In [3]: arr = np.random.rand(1, 10) * 10
In [4]: arr
Out...
3
Solved
I have a SQLite database with a table containing the scores of some league players in a bowling center. I'm trying to get the average of the Score column for each player ID. The problem with this i...
6
Solved
I don't Java much.
I am writing some optimized math code and I was shocked by my profiler results. My code collects values, interleaves the data and then chooses the values based on that. Java run...
Demibastion asked 21/8, 2012 at 6:18
1
-3.6.floorToDouble()
I'd expect this to return -4, because floor() rounds towards negative infinty, but it actually returns -3. It basically acts like truncate(). Is this a bug in the dart sdk or ...
4
Solved
I need to floor a float number with an specific number of decimals.
So:
2.1235 with 2 decimals --> 2.12
2.1276 with 2 decimals --> 2.12 (round would give 2.13 which is not what I need)
The f...
6
Solved
I need to mimic the exact functionality of the ceil(), floor() and round() functions on bcmath numbers, I've already found a very similar question but unfortunately the answer provided isn't good e...
1
Solved
Why don't ceil() and floor() return an integer? How can I return an integer?
a = 10
b = 3
typeof(a/b)
## Float64
c = ceil(a/b)
typeof(c)
## Float64
This issue bothered me in the context of calc...
5
I was thinking about the floor function available in math.h. It is very easy to use it:
#include <stdio.h>
#include <math.h>
int main(void)
{
for (double a = 12.5; a < 13.4; a += ...
3
Solved
I have a piece of code:
IF OBJECT_ID(N'dbo.rounding_testing') IS NOT NULL
DROP FUNCTION dbo.rounding_testing;
GO
CREATE FUNCTION dbo.rounding_testing
(
@value FLOAT,
@digit INT
)
RETURNS FLOAT
...
Teasel asked 16/12, 2016 at 6:39
1
Solved
I want to reassign the timestamps of a series of dates such that they get floored at a frequency of (e.g.) 3 days:
import pandas as pd
x = pd.date_range('01-01-2019', freq='1D', periods=7).floor('...
7
I was trying to use java's integer division, and it supposedly takes the floor. However, it rounds towards zero instead of the floor.
public class Main {
public static void main(String[] args) {
...
5
Solved
I want to define an efficient integer floor function, i.e. a conversion from float or double that performs truncation towards minus infinity.
We can assume that the values are such that no integer...
Shum asked 2/6, 2019 at 17:0
2
Solved
As I see in examples, the functionality if ~~ and Math.floor is the same. Both of them round a number downward (Am I think correct?)
Also I should mention that according to this test ~~ is faster ...
Sorosis asked 12/12, 2012 at 19:22
9
Solved
I have floor(sqrt(floor(x))). Which is true:
The inner floor is redundant.
The outer floor is redundant.
2
Solved
I'm reading IEEE-754 math functions' implementation in glibc.
Here is floor implementation.
float
__floorf(float x)
{
int32_t i0,j0;
uint32_t i;
GET_FLOAT_WORD(i0,x);
j0 = ((i0>>23)&...
1
Solved
Quick question:
-1.9.floor gives you -1, while "-1.9".floor gives you -2. Is it supposed to be so? Seems a bit inconsistent to me.
> say -1.9.floor
-1
> say "-1.9".floor
-2
Documentation ...
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