lsoda_functions.h:60:23: warning: comparison of integer expressions of different signedness

[kylebaron]

Address this warning that came up when checking 1.7.2

** this is package 'mrgsolve' version '1.7.2'
** package 'mrgsolve' successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C++ compiler: 'g++.exe (GCC) 14.3.0'
g++ -std=gnu++17  -I"D:/RCompile/recent/R/include" -DNDEBUG -I../inst/include -I../inst/base -g -I. -I'D:/RCompile/CRANpkg/lib/4.6/Rcpp/include' -I'D:/RCompile/CRANpkg/lib/4.6/RcppArmadillo/include' -I'D:/RCompile/CRANpkg/lib/4.6/BH/include'   -I"d:/rtools45/x86_64-w64-mingw32.static.posix/include"      -pedantic -O2 -Wall  -mfpmath=sse -msse2 -mstackrealign    -c LSODA.cpp -o LSODA.o
In file included from LSODA.cpp:50:
lsoda_functions.h: In member function 'void LSODA::setup_tol_vectors(const Rcpp::S4&)':
lsoda_functions.h:60:23: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long long unsigned int'} and 'int' [-Wsign-compare]
   60 |   for(size_t i = 0; i < Neq; ++i) {
      |                     ~~^~~~~