[ANN] linterval: new interval arithmetic library for Lua
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- Subject: [ANN] linterval: new interval arithmetic library for Lua
- From: Luiz Henrique de Figueiredo <lhf@...>
- Date: 2018年7月17日 10:23:15 -0300
I've updated my interval arithmetic library for Lua to use fi_lib,
which is small and simple to build:
http://www2.math.uni-wuppertal.de/~xsc/software/filib.html
linterval is available at
http://www.tecgraf.puc-rio.br/~lhf/ftp/lua/#linterval
Checksum and other data available at
http://www.tecgraf.puc-rio.br/~lhf/ftp/lua/release.txt
The test includes an implicit region plotter, which is fun. If you're
interested in interval methods, check out the interactive LÖVE demos at
http://lhf.impa.br/cursos/imni/README.html
This release is self-contained: it contains the required fi_lib source
files. It also sports a simplified Makefile with targets for macosx
and linux with -fPIC (which some people will appreciate!). I plan to
update my other libraries to use the same scheme.
Like all my code, linterval is in the public domain.
Enjoy. All feedback welcome.
--lhf
interval library:
__add(x,y) contained(x,y) log1p(x)
__div(x,y) contains(x,t) log2(x)
__eq(x,y) cos(x) meet(x,y)
__le(x,y) cosh(x) mid(x)
__lt(x,y) cot(x) mul(x,y)
__mul(x,y) coth(x) neg(x)
__pow(x,n) diam(x) new(a,b,[outward])
__sub(x,y) disjoint(x,y) pow(x,n)
__tostring(x) div(x,y) sin(x)
__unm(x) erf(x) sinh(x)
abs(x) erfc(x) sqr(x)
acos(x) exp(x) sqrt(x)
acosh(x) exp10(x) sub(x,y)
acot(x) exp2(x) sup(x)
acoth(x) expm1(x) tan(x)
add(x,y) extremes(x) tanh(x)
asin(x) inf(x) tostring(x)
asinh(x) join(x,y) version
atan(x) log(x)
atanh(x) log10(x)