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value.cc
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183 lines (172 loc) · 4.36 KB
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/**
* @file value.cc
* @brief 初值函数
* @author hh
* @version 19-6-7
* @date 2018-06-07
*/
#include "Mymat.h"
/* --------------------------------------------------------------------------*/
/**
* @brief 生成初值Omega -2cos3x siny sinz +3cosx sin3y sinz+3cosx sinz sin 3z
*
* @param N 问题单个方向上的规模
*/
/* ----------------------------------------------------------------------------*/
void Mymat::getOmega0(int N)
{
for(int k=0;k<size_n;k++)
{
double sz = sin((1.0*(myorder[0]*size_n+k+0.5)/N)*M_PI);
double s3z = sin((3.0*(myorder[0]*size_n+k+0.5)/N)*M_PI);
for(int j=0;j<size_m;j++)
{
double sy = sin((1.0*(myorder[1]*size_m+j+0.5)/N)*M_PI);
double s3y = sin((3.0*(myorder[1]*size_m+j+0.5)/N)*M_PI);
for(int i=0;i<size_l;i++)
{
double cx = cos((1.0*(myorder[2]*size_l+i+0.5)/N)*M_PI);
double c3x = cos((3.0*(myorder[2]*size_l+i+0.5)/N)*M_PI);
ele[i+j*size_l+k*size_l*size_m] = -2*c3x*sy*sz + 3*cx*s3y*sz +3*cx*sy*s3z;
}
}
}
}
/* --------------------------------------------------------------------------*/
/**
* @brief 生成初值cos x*sin y*sin z
*
* @param N 问题单个方向上的规模
*/
/* ----------------------------------------------------------------------------*/
void Mymat::getF(int N)
{
for(int k=0;k<size_n;k++)
{
double s1 = sin((1.0*(myorder[0]*size_n+k+0.5)/N)*M_PI);
for(int j=0;j<size_m;j++)
{
double s2 = sin((1.0*(myorder[1]*size_m+j+0.5)/N)*M_PI);
for(int i=0;i<size_l;i++)
{
ele[i+j*size_l+k*size_l*size_m] = s1*s2*cos((1.0*(myorder[2]*size_l+i+0.5)/N)*M_PI);
}
}
}
}
/* --------------------------------------------------------------------------*/
/**
* @brief 生成初值sin x
*
* @param N 问题单个方向上的规模
*/
/* ----------------------------------------------------------------------------*/
void Mymat::getF1(int N)
{
for(int k=0;k<size_n;k++)
{
for(int j=0;j<size_m;j++)
{
for(int i=0;i<size_l;i++)
{
ele[i+j*size_l+k*size_l*size_m] = sin((1.0*(myorder[2]*size_l+i+0.5)/N)*M_PI);
}
}
}
}
/* --------------------------------------------------------------------------*/
/**
* @brief 生成cos x
*
* @param N 问题单个方向上的规模
*/
/* ----------------------------------------------------------------------------*/
void Mymat::getF2(int N)
{
for(int k=0;k<size_n;k++)
{
for(int j=0;j<size_m;j++)
{
for(int i=0;i<size_l;i++)
{
ele[i+j*size_l+k*size_l*size_m] = cos((1.0*(myorder[2]*size_l+i+0.5)/N)*M_PI);
}
}
}
}
/* --------------------------------------------------------------------------*/
/**
* @brief cosy*sinz*sinz*sinx-cosz*siny*siny*sinx
*
* @param N
*/
/* ----------------------------------------------------------------------------*/
void Mymat::getF3(int N)
{
for(int k=0;k<size_n;k++)
{
double s1 = sin((1.0*(myorder[0]*size_n+k+0.5)/N)*M_PI);
double c1 = cos((1.0*(myorder[0]*size_n+k+0.5)/N)*M_PI);
for(int j=0;j<size_m;j++)
{
double s2 = sin((1.0*(myorder[1]*size_m+j+0.5)/N)*M_PI);
double c2 = cos((1.0*(myorder[1]*size_m+j+0.5)/N)*M_PI);
for(int i=0;i<size_l;i++)
{
double s3 = sin((1.0*(myorder[2]*size_l+i+0.5)/N)*M_PI);
ele[i+j*size_l+k*size_l*size_m] = c2*s1*s1*s3-c1*s2*s2*s3;
}
}
}
}
/* --------------------------------------------------------------------------*/
/**
* @brief cosz*sinx*cosy-cos*siny*siny*sinx
*
* @param N
*/
/* ----------------------------------------------------------------------------*/
void Mymat::getF4(int N)
{
for(int k=0;k<size_n;k++)
{
double s1 = sin((1.0*(myorder[0]*size_n+k+0.5)/N)*M_PI);
double c1 = cos((1.0*(myorder[0]*size_n+k+0.5)/N)*M_PI);
for(int j=0;j<size_m;j++)
{
double s2 = sin((1.0*(myorder[1]*size_m+j+0.5)/N)*M_PI);
double c2 = cos((1.0*(myorder[1]*size_m+j+0.5)/N)*M_PI);
for(int i=0;i<size_l;i++)
{
double s3 = sin((1.0*(myorder[2]*size_l+i+0.5)/N)*M_PI);
ele[i+j*size_l+k*size_l*size_m] = c2*s1*s1*s3-c1*s2*s2*s3;
}
}
}
}
void Mymat::getU0(int N)
{
for(int k=0;k<size_n;k++)
{
for(int j=0;j<size_m;j++)
{
for(int i=0;i<size_l;i++)
{
ele[i+j*size_l+k*size_l*size_m] = (myorder[2]*size_l+i+1)*(myorder[1]*size_m+j+1)*(myorder[0]*size_n+k+1);
}
}
}
}
void Mymat::getvalue(void)
{
for(int k=0;k<size_n;k++)
{
for(int j=0;j<size_m;j++)
{
for(int i=0;i<size_l;i++)
{
ele[i+j*size_l+k*size_l*size_m] = i*myid;
}
}
}
}