/* * call-seq: * big - other => Numeric * * Subtracts other from big, returning the result. */ VALUE rb_big_minus(x, y) VALUE x, y; { switch (TYPE(y)) { case T_FIXNUM: y = rb_int2big(FIX2LONG(y)); /* fall through */ case T_BIGNUM: return bignorm(bigadd(x, y, 0)); case T_FLOAT: return rb_float_new(rb_big2dbl(x) - RFLOAT(y)->value); default: return rb_num_coerce_bin(x, y); } }