C++ (Cpp) get_power_of_two Examples

Example #1

File: opencl_rawmd4_fmt_plug.c Project: truongkma/ctf-tools

static void create_clobj(size_t kpc, struct fmt_main *self)
{
    cl_ulong max_alloc_size_bytes = 0;
    cl_ulong cache_size_bytes = 0;

    HANDLE_CLERROR(clGetDeviceInfo(devices[gpu_id], CL_DEVICE_MAX_MEM_ALLOC_SIZE, sizeof(cl_ulong), &max_alloc_size_bytes, 0), "failed to get CL_DEVICE_MAX_MEM_ALLOC_SIZE.");
    HANDLE_CLERROR(clGetDeviceInfo(devices[gpu_id], CL_DEVICE_GLOBAL_MEM_CACHE_SIZE, sizeof(cl_ulong), &cache_size_bytes, 0), "failed to get CL_DEVICE_GLOBAL_MEM_CACHE_SIZE.");

    if (max_alloc_size_bytes & (max_alloc_size_bytes - 1)) {
        get_power_of_two(max_alloc_size_bytes);
        max_alloc_size_bytes >>= 1;
    }

Example #2

File: uintcore.cpp Project: 0wnrepo/sealcrypto

        int get_power_of_two_uint(const uint64_t *operand, int uint64_count)
        {
#ifdef _DEBUG
            if (operand == nullptr && uint64_count > 0)
            {
                throw invalid_argument("operand");
            }
            if (uint64_count < 0)
            {
                throw invalid_argument("uint64_count");
            }
#endif
            operand += uint64_count;
            for (int long_index = uint64_count - 1; long_index >= 0; --long_index)
            {
                uint64_t value = *--operand;
                if (value != 0)
                {
                    // First non-zero value, verify that it is a power of 2.
                    int power = get_power_of_two(value);
                    if (power == -1)
                    {
                        return -1;
                    }
                    power += long_index * bits_per_uint64;

                    // Verify remaining values are 0.
                    long_index--;
                    for (; long_index >= 0; --long_index)
                    {
                        value = *--operand;
                        if (value != 0)
                        {
                            return -1;
                        }
                    }
                    return power;
                }
            }
            return -1;
        }

Example #3

File: qsettingsdialog.cpp Project: pi-null-mezon/Arterial_pulse_vision

void QSettingsDialog::on_dialBufferlength_valueChanged(int value)
{
    ui->lineEditBufferlength->setText(QString::number(get_power_of_two(value)));
}

Example #4

File: qsettingsdialog.cpp Project: pi-null-mezon/Arterial_pulse_vision

quint32 QSettingsDialog::get_bufferlength() const
{
    return get_power_of_two(ui->dialBufferlength->value());
}

Example #5

File: qsettingsdialog.cpp Project: pi-null-mezon/Arterial_pulse_vision

quint32 QSettingsDialog::get_datalength() const
{
    return get_power_of_two(ui->dialDatalength->value());
}