Questions tagged [bigfloat]
33 questions
2
votes
1 answer
Symbol not found: _mpfr_acos, Expected in: flat namespace
I am trying to run a Python script that includes multiple packages. The error I continuously get involves the mpfr.so file (MPFR module). Here are the contents of the entire message:
Traceback (most recent call last):
File…
rebekah
- 21
- 1
2
votes
3 answers
installing Python bigfloat module
I'm trying to get the bigfloat Python package onto my mac, but I'm not very good at this sort of thing.
I have downloaded the latest package as described here. The documentation says:
In order to use the bigfloat package you will need to have both…
user1551817
- 6,693
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1
vote
0 answers
Handling very (while not arbitrary) small or big floating point numbers in C++
Our program manipulates extensively real numbers that happen to be very small or big.
while we don't need a very high precision. We are strongly concerned about performance (CPU usage).
Such numbers could be 2.5687e-45785 , for instance.
Remark : as…
Arnaud Mégret
- 189
- 8
1
vote
1 answer
Ploting a function with BigFloats values in Julia
I have a function ( lets call it test(M) ), that "spits out" only BigFloats, like shown below.
test(100)
22.48487818538224586950434052086250350042005040604872584710165219826379165499864
I would like to plot this function. Howver, it seems that this…
Struggling_Student
- 454
- 3
- 17
1
vote
0 answers
Avoid scientific notation in the numerical output of mathematical calculations of decimal numbers in javascript
I have a function that performs mathematical calculations on various numbers, including decimal numbers, and returns two string and numeric outputs. The problem I have with numeric output for decimal numbers is that it is a scientific notation.…
Saeed Noroozi
- 51
- 8
1
vote
1 answer
Convert Autograd ArrayBox to BigFloat
As said in the title, I want to convert from Autograd ArrayBox to BigFloat.
My function is simple:
def fun(mean, variance, bin_mean, bin_variance):
first = np.float(bf.sqrt(1.0 * bin_variance / (bin_variance + variance)))
second_numerator…
Đorđe Relić
- 418
- 4
- 13
1
vote
1 answer
trigamma and digamma functions for bigfloat variable in python
I need to compute the scipy.special trigamma and digamma functions of a variable with type bigfloat in python but I get the following error message:
TypeError: ufunc 'psi' not supported for the input types, and the inputs could not be safely coerced…
Shayla
- 11
- 3
1
vote
1 answer
Bigfloat - Error in the precision
I'm trying to use Bigfloat library in python 2.7.
from bigfloat import *
f1 = Context(precision=2000)
with precision(2000): f1 = 1e-19*1e-19*9e9/((1-1e-18)*(1-1e-18))-1e-19*1e-19*9e9
with precision(100): f2 =…
user84055
- 33
- 4
1
vote
1 answer
python bigfloat installation issues
My Problem is similar to this poster and I'm using a MAC OsX 10.9.5 version:
python 'bigfloat' package installation issues
When I try to install the "mpc-1.0.2" package, it doesn't compile and gives this error:
grep: /home/case/local/lib/libgmp.la:…
ML_Passion
- 1,031
- 3
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- 33
1
vote
3 answers
Installing bigfloat, GMP and MPFR in windows for python
I am trying to install bigfloat in Python 3.2 on a Windows 7 machine. The documentation says that I first need to install GMP and MPFR. I have downloaded both of these to my desktop (as well as the bigfloat package). However as they are C packages I…
Nate Ackerman
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0
votes
0 answers
Third party library variables not defined in Cmath library (?)
I'm kind of a newbie with c++ so just a heads up there. I have added a third party arbitrary precision arithmetic library called "bigfloat" to my c++ project (https://github.com/Mariotti94/BigFloat) because I need some high precision when…
user18514413
0
votes
1 answer
BigFloat calculations produce different results in various machines
I am using a third-party library in my project for BigFloat values (I used these two libraries https://github.com/Osinko/BigFloat and https://www.nuget.org/packages/BigFloat). The results I get in my machine is the wanted results; however, when I…
Sanam
- 77
- 1
- 11
0
votes
1 answer
Python: BigFloat+Multiprocessing
I am trying to parallelise a series of computations that use bigfloat. However, there is the error
Error sending result: '[BigFloat.exact('1.0000000', precision=20)]'. Reason: 'TypeError('self._value cannot be converted to a Python object for…
PepeToro
- 559
- 4
- 14
0
votes
1 answer
How to exponentiate two big floats
I am using golang math/big package, and when I read the documentation, i could not find a exponentiate function for bigFloats. I found something called MantExp but i do not know what this means. How can I exponent floating point bignumbers in go?
Ank i zle
- 2,089
- 3
- 14
- 36
0
votes
1 answer
Install big float on mac OS X
I am trying to install big float on OS X but i am encountering multiple issues.
I have installed amp without any problem, but when I have tried to install mpfr I got this error:
Warning: mpfr-3.1.5 already installed, it's just not linked.
What…
lelli
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