bigsq             154 bignum.c       static VALUE bigsq(VALUE x);
bigsq            4646 bignum.c                   power = bigtrunc(bigsq(power_cache_get_power(base, power_level - 1, &numdigits)));
bigsq            5857 bignum.c               return bigsq(x);
bigsq            6214 bignum.c       		    if (z) z = bigsq(z);