OpenSourcecoin reward structure

int64 GetProofOfWorkReward(int nHeight, int64 nFees, uint256 prevHash)
{

static const int64 nMinimumCoin = 0.0777 * COIN;

    int64 nSubsidy = 0.0777 * COIN;                                                                         //genesis

    if (nHeight > 0 && nHeight < 7) {nSubsidy = 0 * COIN;}                                                // zero
    else if (nHeight == 7) {nSubsidy = 177777 * COIN;}                                                   // Premine
    else if (nHeight > 7 && nHeight < 1000) {nSubsidy = 2.5 * COIN;}                                   // IRC Launch
    else if (nHeight > 1000 && nHeight < 1337) {nSubsidy = 0.0777 * COIN;}                            // low instamine official launch
    else if (nHeight == 1337) {nSubsidy = 1337 * COIN;}                                               //L33T
    else if (nHeight > 1337 && nHeight < 4000) {nSubsidy = 1 * COIN;}                                //final launch period
    else if (nHeight > 4000 && nHeight < 8000) {nSubsidy = 22.5 * COIN;}                            // 22.5 coin
    else if (nHeight > 8000 && nHeight < 16000) {nSubsidy = 15 * COIN;}                            // 15 coins per block
    else if (nHeight > 16000 && nHeight < 32000) {nSubsidy = 7.5 * COIN;}                         // 7.5 coins per block
    else if (nHeight > 32000 && nHeight < 64000) {nSubsidy = 6 * COIN;}                          // 6 coins per block
    else if (nHeight > 64000 && nHeight < 77777) {nSubsidy = 4 * COIN;}                         // 4 coins
    else if (nHeight == 77777) {nSubsidy = 10000 * COIN;}                                      // bonus reward
    else if (nHeight > 77777 && nHeight < 128000) {nSubsidy = 4 * COIN;}                      // 4 coins
    else if (nHeight > 128000 && nHeight < 256000) {nSubsidy = 20 * COIN;}                    // 20 coins
    else if (nHeight > 256000 && nHeight < 400000) {nSubsidy = 25 * COIN;}                 // 25 coins
    else if (nHeight > 2400000) {nSubsidy = 5 * COIN;}
    else {nSubsidy = 1 * COIN;}

    // Subsidy is cut in half every 400 thousand blocks
    nSubsidy >>= (nHeight / 400000);

    // Minimum subsidy
    if (nSubsidy < nMinimumCoin)
    {
        nSubsidy = nMinimumCoin;
    }

    return nSubsidy + nFees;
}