| diff -ru src/src/basemath/alglin1.c b/src/basemath/alglin1.c |
| --- src/src/basemath/alglin1.c 2014-01-29 18:00:27.000000000 +0100 |
| +++ b/src/basemath/alglin1.c 2014-02-09 01:54:37.676725196 +0100 |
| @@ -247,6 +247,7 @@ |
| a = RgM_shallowcopy(a); |
| for (i=1; i<nbco; i++) |
| { |
| + int garbage = 0; /* Only gerepile() once per loop iteration */ |
| for(k=i; k<=nbco; k++) |
| { |
| gcoeff(a,k,i) = ff->red(E,gcoeff(a,k,i)); |
| @@ -271,7 +272,7 @@ |
| for (j=i+1; j<=nbco; j++) |
| { |
| gcoeff(a,j,k) = ff->add(E, gcoeff(a,j,k), ff->mul(E,m,gcoeff(a,j,i))); |
| - if (low_stack(lim, stack_lim(av,1))) |
| + if (low_stack(lim, stack_lim(av,1)) && (garbage++ == 0)) |
| { |
| if(DEBUGMEM>1) pari_warn(warnmem,"det. col = %ld",i); |
| gerepileall(av,4, &a,&x,&q,&m); |
| @@ -3721,6 +3722,7 @@ |
| a = RgM_shallowcopy(a); |
| for (i=1; i<nbco; i++) |
| { |
| + int garbage = 0; /* Only gerepile() once per loop iteration */ |
| k = pivot(a, data, i, NULL); |
| if (k > nbco) return gerepilecopy(av, gcoeff(a,i,i)); |
| if (k != i) |
| @@ -3740,7 +3742,7 @@ |
| for (j=i+1; j<=nbco; j++) |
| { |
| gcoeff(a,j,k) = gsub(gcoeff(a,j,k), gmul(m,gcoeff(a,j,i))); |
| - if (low_stack(lim, stack_lim(av,3))) |
| + if (low_stack(lim, stack_lim(av,3)) && (garbage++ == 0)) |
| { |
| if(DEBUGMEM>1) pari_warn(warnmem,"det. col = %ld",i); |
| gerepileall(av,2, &a,&x); |
| @@ -3791,6 +3793,7 @@ |
| { |
| GEN ci, ck, m; |
| int diveuc = (gequal1(pprec)==0); |
| + int garbage = 0; /* Only gerepile() once per loop iteration */ |
| |
| p = gcoeff(a,i,i); |
| if (gequal0(p)) |
| @@ -3827,7 +3830,7 @@ |
| GEN p1 = gsub(gmul(p,gel(ck,j)), gmul(m,gel(ci,j))); |
| if (diveuc) p1 = mydiv(p1,pprec); |
| gel(ck,j) = gerepileupto(av2, p1); |
| - if (low_stack(lim,stack_lim(av,2))) |
| + if (low_stack(lim,stack_lim(av,2)) && (garbage++ == 0)) |
| { |
| if(DEBUGMEM>1) pari_warn(warnmem,"det. col = %ld",i); |
| gerepileall(av,2, &a,&pprec); |