Package: spray 1.1-1

spray: Sparse Arrays and Multivariate Polynomials

Sparse arrays interpreted as multivariate polynomials. Uses 'disordR' discipline (Hankin, 2022, <doi:10.48550/ARXIV.2210.03856>). To cite the package in publications please use Hankin (2022) <doi:10.48550/ARXIV.2210.10848>.

Authors:Robin K. S. Hankin [aut, cre]

spray_1.1-1.tar.gz
spray_1.1-1.zip(r-4.7)spray_1.1-1.zip(r-4.6)spray_1.1-1.zip(r-4.5)
spray_1.1-1.tgz(r-4.6-x86_64)spray_1.1-1.tgz(r-4.6-arm64)spray_1.1-1.tgz(r-4.5-x86_64)spray_1.1-1.tgz(r-4.5-arm64)
spray_1.1-1.tar.gz(r-4.7-arm64)spray_1.1-1.tar.gz(r-4.7-x86_64)spray_1.1-1.tar.gz(r-4.6-arm64)spray_1.1-1.tar.gz(r-4.6-x86_64)
spray_1.1-1.tgz(r-4.6-emscripten)
manual.pdf |manual.html✨
DESCRIPTION |NEWS
card.svg |card.png
spray/json (API)

# Install 'spray' in R:

install.packages('spray', repos = c('https://robinhankin.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://github.com/robinhankin/spray/issues

Pkgdown/docs site:https://robinhankin.github.io

Uses libs:

c++– GNU Standard C++ Library v3

On CRAN:

cpp

6.48 score 2 stars 2 packages 36 scripts 743 downloads 92 exports 21 dependencies

Last updated from:2d2248d9b5. Checks:13 OK. Indexed: yes.

Target	Result	Time
linux-devel-arm64	OK	154
linux-devel-x86_64	OK	167
source / vignettes	OK	233
linux-release-arm64	OK	158
linux-release-x86_64	OK	169
macos-release-arm64	OK	113
macos-release-x86_64	OK	283
macos-oldrel-arm64	OK	151
macos-oldrel-x86_64	OK	222
windows-devel	OK	129
windows-release	OK	127
windows-oldrel	OK	119
wasm-release	OK	148

Exports:aderiv arity as.array.spray as.character.spray as.function.spray as.id as.id.spray as.spray asum asum_inverted asum.spray coeffs coeffs.spray coeffs<-coeffs<-.spray constant constant.spray constant<-constant<-.spray deriv deriv.spray dim.spray drop homog index is_valid_spray is.constant is.empty is.spray is.zero king knight length.spray linear lone maxpair_spray minpair_spray nterms one ooom Ops.spray pmax pmax.default pmax.spray pmin pmin.default pmin.spray print_spray_matrixform print_spray_polyform print.spray print.summary.spray printedvalue process_dimensions product rspray rsprayy spray spray_accessor spray_add spray_asum_exclude spray_asum_include spray_deriv spray_eq_numeric spray_eq_spray spray_equality spray_extract_disord spray_maker spray_missing_accessor spray_mult spray_negative spray_overwrite spray_plus_scalar spray_plus_spray spray_pmax spray_power spray_power_scalar spray_power_scalar_stla spray_power_stla spray_replace_disord spray_setter spray_times_scalar spray_times_spray spraycross spraycross2 spraymaker subs summary summary.spray xyz zap zapsmall zero

Dependencies:abind cli digest disordR glue gmp lattice lifecycle magic magrittr Matrix partitions polynom rbibutils Rcpp Rdpack rlang sets stringi stringr vctrs

A vignette for the spray package

Rendered fromspray.Rnwusingutils::Sweave

Last update: 2025-10-15
Started: 2018-11-21

Citation

Development and contributors

Readme and manuals

Help Manual

Help page	Topics
Sparse arrays and multivariate polynomials	spray-package
The arity of a spray object	arity
Coerce spray objects to arrays	as.array as.array.spray dim.spray
Coerce spray objects to character	as.character as.character.spray
Coerce a spray object to a function	as.function.spray
Sum over dimension margins	asum asum.spray asum_inverted process_dimensions
Get or set the constant term of a spray object	const constant constant,spray-method constant.spray constant<- constant<-,spray-method constant<-.spray drop drop,spray-method is.constant is.scalar scalar
Partial differentiation of spray objects	aderiv deriv deriv.spray
Extract or Replace Parts of a spray	extract extract.spray replace replace.spray spray_extract_disord spray_replace_disord [.spray [<-.spray
Various functions to create simple spray objects	as.id as.id.spray homog linear lone one product xyz
Generating function for a chess knight and king	chess_knight king knight
Number of nonzero terms in a 'spray' object	length length.spray nterms
One-over-one-minus for spray objects	ooom
Arithmetic Ops Group Methods for sprays	Ops Ops.spray spray_eq_numeric spray_eq_spray spray_negative spray_plus_scalar spray_plus_spray spray_power_scalar spray_power_scalar_stla spray_times_scalar spray_times_spray
Parallel maxima and minima for sprays	maxpair_spray minpair_spray pmax pmax.default pmax.spray pmin pmin.default pmin.spray
Print methods for spray objects	print.spray printedvalue print_spray_matrixform print_spray_polyform sprayvars
Random spray objects	rspray rsprayy
Sparse arrays: 'spray' objects	as.spray coeff coeffs coeffs,spray-method coeffs.spray coeffs<- coeffs<-,spray-method coeffs<-.spray index is.spray is_valid_spray spray spraymaker value value,spray-method value.spray value<- value<-.spray values
Low-level functions that call C++ source code	spray_accessor spray_add spray_asum_exclude spray_asum_include spray_crush spray_deriv spray_equality spray_maker spray_mult spray_overwrite spray_pmax spray_pmin spray_power spray_power_stla spray_rcpp spray_setter spray_spray_accessor spray_spray_add spray_spray_asum_exclude spray_spray_asum_include spray_spray_crush spray_spray_deriv spray_spray_equality spray_spray_maker spray_spray_mult spray_spray_overwrite spray_spray_pmax spray_spray_pmin spray_spray_power spray_spray_setter
Discussion document	spray_missing_accessor
Class "spray"	spray-class
Cross product for spray objects	cross cross_product spraycross spraycross2
Substitute values into a spray object	subs substitute
Summaries of spray objects	print.summary.spray summary summary.spray
Zap small values in a spray object	zap zap.spray zapsmall zapsmall,ANY-method zapsmall,spray-method zapsmall.spray zaptiny
The zero polynomial	empty is.empty is.zero zero