PiHex alternatives and similar packages

Based on the "Science and Data Analysis" category.
Alternatively, view PiHex alternatives based on common mentions on social networks and blogs.

gonum

9.3 8.2 PiHex VS gonum

Gonum is a set of numeric libraries for the Go programming language. It contains libraries for matrices, statistics, optimization, and more
Stats

8.5 2.0 PiHex VS Stats

A well tested and comprehensive Golang statistics library package with no dependencies.

InfluxDB - Power Real-Time Data Analytics at Scale

Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

Promo www.influxdata.com

gonum/plot

8.4 5.4 PiHex VS gonum/plot

A repository for plotting and visualizing data
gosl

8.1 6.0 PiHex VS gosl

Linear algebra, eigenvalues, FFT, Bessel, elliptic, orthogonal polys, geometry, NURBS, numerical quadrature, 3D transfinite interpolation, random numbers, Mersenne twister, probability distributions, optimisation, differential equations.
streamtools

7.7 0.0 PiHex VS streamtools

tools for working with streams of data
dataframe-go

7.5 0.0 PiHex VS dataframe-go

DataFrames for Go: For statistics, machine-learning, and data manipulation/exploration
go-dsp

7.2 0.0 PiHex VS go-dsp

Digital Signal Processing for Go
chart

7.2 0.0 PiHex VS chart

Provide basic charts in go
goraph

7.2 0.0 PiHex VS goraph

Package goraph implements graph data structure and algorithms.
graph

6.9 0.0 PiHex VS graph

Graph algorithms and data structures
gonum/mat64

6.8 0.0 PiHex VS gonum/mat64

The general purpose package for matrix computation. Package mat64 provides basic linear algebra operations for float64 matrices.
ewma

6.3 0.0 PiHex VS ewma

Exponentially Weighted Moving Average algorithms for Go.
go.matrix

6.2 0.0 PiHex VS go.matrix

linear algebra for go
calendarheatmap

6.0 6.4 PiHex VS calendarheatmap

📅 Calendar heatmap inspired by GitHub contribution activity
gohistogram

5.4 0.0 PiHex VS gohistogram

Streaming approximate histograms in Go
TextRank

5.2 0.0 PiHex VS TextRank

:wink: :cyclone: :strawberry: TextRank implementation in Golang with extendable features (summarization, phrase extraction) and multithreading (goroutine).
sparse

4.9 0.0 PiHex VS sparse

Sparse matrix formats for linear algebra supporting scientific and machine learning applications
blas

4.9 0.0 PiHex VS blas

Go implementation of BLAS (Basic Linear Algebra Subprograms)
pagerank

4.3 0.0 PiHex VS pagerank

Weighted PageRank implementation in Go
go-estimate

4.2 3.2 PiHex VS go-estimate

State estimation and filtering algorithms in Go
geom

3.7 0.0 PiHex VS geom

2d geometry for golang
jsonl-graph

3.5 0.0 PiHex VS jsonl-graph

🏝 JSONL Graph Tools
evaler

3.5 0.0 PiHex VS evaler

Implements a simple floating point arithmetic expression evaluator in Go (golang).
vectormath

3.5 0.0 PiHex VS vectormath

Vectormath for Go
gostat

2.9 0.0 PiHex VS gostat

Collection of statistical routines in golang
gograph

2.8 7.2 PiHex VS gograph

A golang generic graph library that provides mathematical graph-theory and algorithms.
triangolatte

2.6 0.0 PiHex VS triangolatte

2D triangulation library. Allows translating lines and polygons (both based on points) to the language of GPUs.
permutation

2.5 0.0 PiHex VS permutation

Simple permutation package for golang
goent

2.3 0.0 PiHex VS goent

GO Implementation of Entropy Measures
piecewiselinear

2.3 4.5 PiHex VS piecewiselinear

tiny linear interpolation library for go
ode

2.1 0.0 PiHex VS ode

An ordinary differential equation solving library in golang.
GoStats

1.8 0.0 PiHex VS GoStats

GoStats is a go library for math statistics mostly used in ML domains, it covers most of the statistical measures functions.
assocentity

1.6 4.1 PiHex VS assocentity

Package assocentity returns the mean distance from tokens to an entity and its synonyms
godesim

1.6 0.0 PiHex VS godesim

ODE system solver made simple. For IVPs (initial value problems).
rootfinding

1.6 0.0 PiHex VS rootfinding

root-finding library
gofrac

1.3 0.0 PiHex VS gofrac

A fractions library for go (http://golang.org)
bradleyterry

1.2 0.0 PiHex VS bradleyterry

Package to do Bradley-Terry Model pairwise compairsons
go-fn

1.2 0.0 PiHex VS go-fn

Automatically exported from code.google.com/p/go-fn
go-gt

0.8 0.0 PiHex VS go-gt

Automatically exported from code.google.com/p/go-gt
gobbs

0.6 0.0 PiHex VS gobbs

A Blum-Blum-Shub-Generator written in Go
gocomplex

0.3 0.0 PiHex VS gocomplex

Automatically exported from code.google.com/p/gocomplex
mudlark-go

0.1 0.0 PiHex VS mudlark-go

A collection of packages providing (hopefully) useful code for use in software using Google's Go programming language.

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README

PiHex

PiHex Library generates a hexadecimal number sequence in the number Pi in the range from 0 to 1.0e10000000. To calculate using "Bailey-Borwein-Plouffe" algorithm, instructions that was published by David H. Bailey September 17, 2006.

Usage

An example of using the PiHex Library:

package main

import (
    "fmt"
    "github.com/claygod/PiHex"
)

func main() {
    pi := PiHex.New()
    fmt.Print("The first 9 digits of Pi (hexadecimal): ", pi.Get(0, 9))
}

Settings

In the configuration file, you can change the constant STEP. This constant determines the amount generated in one step numbers. The reduction leads to a constant increase in the operating time of the program.

Attention! This constant can not be more than 9! Limitation due to the 64-bit library architecture.

The configuration file config.go

Perfomance

To optimize the run-time program, highly loaded sections of the library are performed in parallel (4 goroutines).

API

Methods:

New - create a new PiHex
Get - receiving a sequence of hexadecimal digits starting at the specified position and in the right quantity.

Example:

pi := PiHex.New()
x :=  pi.Get(1000, 5)

Algorithm

The Bailey–Borwein–Plouffe formula (BBP formula) is a spigot algorithm for computing the nth binary digit of Pi using base 16 math. The formula can directly calculate the value of any given digit of π without calculating the preceding digits. The BBP is a summation-style formula that was discovered in 1995 by Simon Plouffe and was named after the authors of the paper in which the formula was published, David H. Bailey, Peter Borwein, and Simon Plouffe.

Implementation

Plays Library is based on the publication "The BBP Algorithm for Pi" of David H. Bailey on September 17, 2006: http://www.davidhbailey.com/dhbpapers/bbp-alg.pdf