///<summary>快速傅立叶变换</summary>
///<param name="data">数据</param>
public static void FastFourierTransform(float[] data)
{
fixed(float *array = data)
{
if (s_IsX64)
{
Dll64.FastFourierTransform(new IntPtr(array), (uint)data.Length);
}
else
{
Dll86.FastFourierTransform(new IntPtr(array), (uint)data.Length);
}
}
}
///<summary>计算标准差</summary>
///<param name="data">数据</param>
///<param name="average">平均值</param>
///<param name="sd">标准差</param>
public static void StandardDeviation(float[] data, float average, out float sd)
{
float temp = 0.0f;
fixed(float *array = data)
{
if (s_IsX64)
{
Dll64.StandardDeviation(new IntPtr(array), (uint)data.Length, average, new IntPtr(&temp));
}
else
{
Dll86.StandardDeviation(new IntPtr(array), (uint)data.Length, average, new IntPtr(&temp));
}
}
sd = temp;
}
///<summary>计算最大值最小值平均值</summary>
///<param name="data">数据</param>
///<param name="max">最大值</param>
///<param name="min">最小值</param>
///<param name="average">平均值</param>
public static void MaxMinAverage(float[] data, out float max, out float min, out float average)
{
float temp_max = 0.0f, temp_min = 0.0f, temp_average = 0.0f;
fixed(float *array = data)
{
if (s_IsX64)
{
Dll64.MaxMinAverage(new IntPtr(array), (uint)data.Length, new IntPtr(&temp_max), new IntPtr(&temp_min), new IntPtr(&temp_average));
}
else
{
Dll86.MaxMinAverage(new IntPtr(array), (uint)data.Length, new IntPtr(&temp_max), new IntPtr(&temp_min), new IntPtr(&temp_average));
}
}
max = temp_max;
min = temp_min;
average = temp_average;
}