method

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v1_9_3_392 - Show latest stable - 0 notes - Class: Bignum

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-(p1) public

Subtracts other from big, returning the result.

VALUE
rb_big_minus(VALUE x, VALUE y)
{
    long n;

    switch (TYPE(y)) {
      case T_FIXNUM:
        n = FIX2LONG(y);
        if ((n > 0) != RBIGNUM_SIGN(x)) {
            if (n < 0) {
                n = -n;
            }
            return bigadd_int(x, n);
        }
        if (n < 0) {
            n = -n;
        }
        return bigsub_int(x, n);

      case T_BIGNUM:
        return bignorm(bigadd(x, y, 0));

      case T_FLOAT:
        return DBL2NUM(rb_big2dbl(x) - RFLOAT_VALUE(y));

      default:
        return rb_num_coerce_bin(x, y, '-');
    }
}

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