Function DoubleEquals

src/test/blockchain_tests.cpp:21–24

Equality between doubles is imprecise. Comparison should be done * with a small threshold of tolerance, rather than exact equality. */

 * with a small threshold of tolerance, rather than exact equality.
 */
static bool DoubleEquals(double a, double b, double epsilon)
{
    return std::abs(a - b) < epsilon;
}

static CBlockIndex* CreateBlockIndexWithNbits(uint32_t nbits)
{