Fix -Wsign-compare warnings in new code.

diff --git a/ginac/normal.cpp b/ginac/normal.cpp
index cad9d455bcf9ace6e4db1fbe57d5a37346498358..2dad50fdcc22daeec32c768287ad592c5ee3e5cf 100644 (file)
--- a/ginac/normal.cpp
+++ b/ginac/normal.cpp
@@ -1958,7 +1958,7 @@ ex sqrfree_parfrac(const ex & a, const symbol & x)
        // Factorize denominator and compute cofactors
        epvector yun = sqrfree_yun(denom, x);
        exvector factor, cofac;
-       int dim = 0;
+       size_t dim = 0;
        for (size_t i=0; i<yun.size(); i++) {
                numeric i_exponent = ex_to<numeric>(yun[i].coeff);
                for (size_t j=0; j<i_exponent; j++) {
@@ -1982,9 +1982,9 @@ ex sqrfree_parfrac(const ex & a, const symbol & x)
        matrix rhs(dim, 1);
        matrix vars(dim, 1);
        for (size_t i=0, n=0, f=0; i<yun.size(); i++) {
-               int i_expo = to_int(ex_to<numeric>(yun[i].coeff));
+               size_t i_expo = to_int(ex_to<numeric>(yun[i].coeff));
                for (size_t j=0; j<i_expo; j++) {
-                       for (size_t k=0; k<degree(yun[i].rest, x); k++) {
+                       for (size_t k=0; k<size_t(degree(yun[i].rest, x)); k++) {
                                GINAC_ASSERT(n < dim  &&  f < factor.size());
 
                                // column n of coefficient matrix
@@ -2011,10 +2011,10 @@ ex sqrfree_parfrac(const ex & a, const symbol & x)
 //std::clog << "sol   : " << sol << std::endl;
        ex sum = red_poly;
        for (size_t i=0, n=0, f=0; i<yun.size(); i++) {
-               int i_expo = to_int(ex_to<numeric>(yun[i].coeff));
+               size_t i_expo = to_int(ex_to<numeric>(yun[i].coeff));
                for (size_t j=0; j<i_expo; j++) {
                        ex frac_numer = 0;
-                       for (size_t k=0; k<degree(yun[i].rest, x); k++) {
+                       for (size_t k=0; k<size_t(degree(yun[i].rest, x)); k++) {
                                GINAC_ASSERT(n < dim  &&  f < factor.size());
                                frac_numer += sol(n, 0) * pow(x, k);
                                n++;