gsl-nim GNU Scientific Library for nim
- This is GNU GSL C Api wrapped for nim (generated using c2nim).
- GSL Home Page
- GSL Github
- GSL Doc
- Header files
-
- install GNU GSL library
-
Ubuntu
sudo apt-get install libgsl-dev
-
MacOs
brew install gsl
-
Windows
Why do you want to do this on windows? Use WSL maybe.
-
Build from source
download source code from https://www.gnu.org/software/gsl/
./configure --prefix=??? make make check make install
-
- install gsl-nim package
orgit clone https://github.com/YesDrX/gsl-nim cd gsl-nim nimble installnimble install gsl
- example : solve for root of a 5th order polynomial equation
import gsl/gsl_poly
import strformat
var
i : cint
a = @[-1.0, 0.0, 0.0, 0.0, 0.0, 1.0]
z = newSeq[cdouble](10)
w = gsl_poly_complex_workspace_alloc(6)
discard gsl_poly_complex_solve(a[0].addr, 6, w, z[0].addr)
gsl_poly_complex_workspace_free(w)
echo fmt"Roots for x^5 - 1 = 0"
for i in 0 .. 4:
echo fmt"z{i} = {z[2*i]} + {z[2*i+1]} i"- output
Roots for x^5 - 1 = 0
z0 = -0.8090169943749477 + 0.5877852522924734 i
z1 = -0.8090169943749477 + -0.5877852522924734 i
z2 = 0.3090169943749475 + 0.951056516295153 i
z3 = 0.3090169943749475 + -0.951056516295153 i
z4 = 0.9999999999999999 + 0.0 i