bigsqr            688 bignum.c       static VALUE bigsqr(VALUE x);
bigsqr            776 bignum.c       		   : bigsqr(power_cache_get_power0(base, i - 1));
bigsqr            800 bignum.c       	t = bigsqr(t);
bigsqr           2048 bignum.c           a2 = bigtrunc(bigsqr(a));
bigsqr           2049 bignum.c           z = bigsqr(b);
bigsqr           2126 bignum.c       		if (z) z = bigtrunc(bigsqr(z));