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<=>(p1) public

Returns -1, 0, or +1 depending on whether flt is less than, equal to, or greater than numeric. This is the basis for the tests in Comparable.

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/*
 *  call-seq:
 *     flt <=> numeric   => -1, 0, +1
 *
 *  Returns -1, 0, or +1 depending on whether <i>flt</i> is less than,
 *  equal to, or greater than <i>numeric</i>. This is the basis for the
 *  tests in <code>Comparable</code>.
 */

static VALUE
flo_cmp(x, y)
    VALUE x, y;
{
    double a, b;

    a = RFLOAT(x)->value;
    switch (TYPE(y)) {
      case T_FIXNUM:
        b = (double)FIX2LONG(y);
        break;

      case T_BIGNUM:
        b = rb_big2dbl(y);
        break;

      case T_FLOAT:
        b = RFLOAT(y)->value;
        break;

      default:
        return rb_num_coerce_cmp(x, y);
    }
    return rb_dbl_cmp(a, b);
}

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