cjy-dystopia #2
@@ -71,168 +71,85 @@ void fdderivs(const int ex[3],
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const double Fdxdz = F1o144 / (dX * dZ);
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const double Fdydz = F1o144 / (dY * dZ);
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/* 只清零主循环不覆盖的最外层边界面 */
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const size_t all = (size_t)ex1 * (size_t)ex2 * (size_t)ex3;
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/* 只清零不被主循环覆盖的边界面 */
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{
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/* k0=ex3-1 面 */
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/* 高边界：k0=ex3-1 */
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for (int j0 = 0; j0 < ex2; ++j0)
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for (int i0 = 0; i0 < ex1; ++i0) {
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const size_t p = idx_ex(i0, j0, ex3-1, ex);
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const size_t p = idx_ex(i0, j0, ex3 - 1, ex);
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fxx[p]=ZEO; fyy[p]=ZEO; fzz[p]=ZEO;
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fxy[p]=ZEO; fxz[p]=ZEO; fyz[p]=ZEO;
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}
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/* j0=ex2-1 面 */
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for (int k0 = 0; k0 < ex3-1; ++k0)
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/* 高边界：j0=ex2-1 */
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for (int k0 = 0; k0 < ex3 - 1; ++k0)
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for (int i0 = 0; i0 < ex1; ++i0) {
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const size_t p = idx_ex(i0, ex2-1, k0, ex);
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const size_t p = idx_ex(i0, ex2 - 1, k0, ex);
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fxx[p]=ZEO; fyy[p]=ZEO; fzz[p]=ZEO;
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fxy[p]=ZEO; fxz[p]=ZEO; fyz[p]=ZEO;
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}
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/* i0=ex1-1 面 */
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for (int k0 = 0; k0 < ex3-1; ++k0)
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for (int j0 = 0; j0 < ex2-1; ++j0) {
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const size_t p = idx_ex(ex1-1, j0, k0, ex);
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/* 高边界：i0=ex1-1 */
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for (int k0 = 0; k0 < ex3 - 1; ++k0)
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for (int j0 = 0; j0 < ex2 - 1; ++j0) {
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const size_t p = idx_ex(ex1 - 1, j0, k0, ex);
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fxx[p]=ZEO; fyy[p]=ZEO; fzz[p]=ZEO;
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fxy[p]=ZEO; fxz[p]=ZEO; fyz[p]=ZEO;
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}
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/* 低边界：当二阶模板也不可用时，对应 i0/j0/k0=0 面 */
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if (kminF == 1) {
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for (int j0 = 0; j0 < ex2; ++j0)
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for (int i0 = 0; i0 < ex1; ++i0) {
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const size_t p = idx_ex(i0, j0, 0, ex);
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fxx[p]=ZEO; fyy[p]=ZEO; fzz[p]=ZEO;
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fxy[p]=ZEO; fxz[p]=ZEO; fyz[p]=ZEO;
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}
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}
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if (jminF == 1) {
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for (int k0 = 0; k0 < ex3; ++k0)
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for (int i0 = 0; i0 < ex1; ++i0) {
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const size_t p = idx_ex(i0, 0, k0, ex);
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fxx[p]=ZEO; fyy[p]=ZEO; fzz[p]=ZEO;
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fxy[p]=ZEO; fxz[p]=ZEO; fyz[p]=ZEO;
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}
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}
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if (iminF == 1) {
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for (int k0 = 0; k0 < ex3; ++k0)
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for (int j0 = 0; j0 < ex2; ++j0) {
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const size_t p = idx_ex(0, j0, k0, ex);
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fxx[p]=ZEO; fyy[p]=ZEO; fzz[p]=ZEO;
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fxy[p]=ZEO; fxz[p]=ZEO; fyz[p]=ZEO;
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}
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}
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}
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/*
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* Fortran:
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* do k=1,ex3-1
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* do j=1,ex2-1
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* do i=1,ex1-1
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* 两段式：
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* 1) 二阶可用区域先计算二阶模板
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* 2) 高阶可用区域再覆盖四阶模板
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*/
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for (int k0 = 0; k0 <= ex3 - 2; ++k0) {
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const int kF = k0 + 1;
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for (int j0 = 0; j0 <= ex2 - 2; ++j0) {
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const int jF = j0 + 1;
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for (int i0 = 0; i0 <= ex1 - 2; ++i0) {
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const int iF = i0 + 1;
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const size_t p = idx_ex(i0, j0, k0, ex);
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const int i2_lo = (iminF > 0) ? iminF : 0;
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const int j2_lo = (jminF > 0) ? jminF : 0;
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const int k2_lo = (kminF > 0) ? kminF : 0;
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const int i2_hi = ex1 - 2;
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const int j2_hi = ex2 - 2;
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const int k2_hi = ex3 - 2;
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/* 高阶分支：i±2,j±2,k±2 都在范围内 */
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if ((iF + 2) <= imaxF && (iF - 2) >= iminF &&
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(jF + 2) <= jmaxF && (jF - 2) >= jminF &&
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(kF + 2) <= kmaxF && (kF - 2) >= kminF)
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{
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fxx[p] = Fdxdx * (
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-fh[idx_fh_F_ord2(iF - 2, jF, kF, ex)] +
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F16 * fh[idx_fh_F_ord2(iF - 1, jF, kF, ex)] -
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F30 * fh[idx_fh_F_ord2(iF, jF, kF, ex)] -
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fh[idx_fh_F_ord2(iF + 2, jF, kF, ex)] +
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F16 * fh[idx_fh_F_ord2(iF + 1, jF, kF, ex)]
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);
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const int i4_lo = (iminF + 1 > 0) ? (iminF + 1) : 0;
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const int j4_lo = (jminF + 1 > 0) ? (jminF + 1) : 0;
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const int k4_lo = (kminF + 1 > 0) ? (kminF + 1) : 0;
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const int i4_hi = ex1 - 3;
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const int j4_hi = ex2 - 3;
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const int k4_hi = ex3 - 3;
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fyy[p] = Fdydy * (
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-fh[idx_fh_F_ord2(iF, jF - 2, kF, ex)] +
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F16 * fh[idx_fh_F_ord2(iF, jF - 1, kF, ex)] -
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F30 * fh[idx_fh_F_ord2(iF, jF, kF, ex)] -
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fh[idx_fh_F_ord2(iF, jF + 2, kF, ex)] +
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F16 * fh[idx_fh_F_ord2(iF, jF + 1, kF, ex)]
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);
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if (i2_lo <= i2_hi && j2_lo <= j2_hi && k2_lo <= k2_hi) {
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for (int k0 = k2_lo; k0 <= k2_hi; ++k0) {
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const int kF = k0 + 1;
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for (int j0 = j2_lo; j0 <= j2_hi; ++j0) {
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const int jF = j0 + 1;
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for (int i0 = i2_lo; i0 <= i2_hi; ++i0) {
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const int iF = i0 + 1;
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const size_t p = idx_ex(i0, j0, k0, ex);
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fzz[p] = Fdzdz * (
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-fh[idx_fh_F_ord2(iF, jF, kF - 2, ex)] +
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F16 * fh[idx_fh_F_ord2(iF, jF, kF - 1, ex)] -
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F30 * fh[idx_fh_F_ord2(iF, jF, kF, ex)] -
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fh[idx_fh_F_ord2(iF, jF, kF + 2, ex)] +
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F16 * fh[idx_fh_F_ord2(iF, jF, kF + 1, ex)]
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);
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/* fxy 高阶：完全照搬 Fortran 的括号结构 */
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{
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const double t_jm2 =
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( fh[idx_fh_F_ord2(iF - 2, jF - 2, kF, ex)]
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-F8*fh[idx_fh_F_ord2(iF - 1, jF - 2, kF, ex)]
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+F8*fh[idx_fh_F_ord2(iF + 1, jF - 2, kF, ex)]
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- fh[idx_fh_F_ord2(iF + 2, jF - 2, kF, ex)] );
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const double t_jm1 =
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( fh[idx_fh_F_ord2(iF - 2, jF - 1, kF, ex)]
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-F8*fh[idx_fh_F_ord2(iF - 1, jF - 1, kF, ex)]
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+F8*fh[idx_fh_F_ord2(iF + 1, jF - 1, kF, ex)]
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- fh[idx_fh_F_ord2(iF + 2, jF - 1, kF, ex)] );
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const double t_jp1 =
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( fh[idx_fh_F_ord2(iF - 2, jF + 1, kF, ex)]
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-F8*fh[idx_fh_F_ord2(iF - 1, jF + 1, kF, ex)]
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+F8*fh[idx_fh_F_ord2(iF + 1, jF + 1, kF, ex)]
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- fh[idx_fh_F_ord2(iF + 2, jF + 1, kF, ex)] );
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const double t_jp2 =
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( fh[idx_fh_F_ord2(iF - 2, jF + 2, kF, ex)]
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-F8*fh[idx_fh_F_ord2(iF - 1, jF + 2, kF, ex)]
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+F8*fh[idx_fh_F_ord2(iF + 1, jF + 2, kF, ex)]
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- fh[idx_fh_F_ord2(iF + 2, jF + 2, kF, ex)] );
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fxy[p] = Fdxdy * ( t_jm2 - F8 * t_jm1 + F8 * t_jp1 - t_jp2 );
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}
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/* fxz 高阶 */
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{
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const double t_km2 =
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( fh[idx_fh_F_ord2(iF - 2, jF, kF - 2, ex)]
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-F8*fh[idx_fh_F_ord2(iF - 1, jF, kF - 2, ex)]
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+F8*fh[idx_fh_F_ord2(iF + 1, jF, kF - 2, ex)]
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- fh[idx_fh_F_ord2(iF + 2, jF, kF - 2, ex)] );
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const double t_km1 =
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( fh[idx_fh_F_ord2(iF - 2, jF, kF - 1, ex)]
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-F8*fh[idx_fh_F_ord2(iF - 1, jF, kF - 1, ex)]
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+F8*fh[idx_fh_F_ord2(iF + 1, jF, kF - 1, ex)]
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- fh[idx_fh_F_ord2(iF + 2, jF, kF - 1, ex)] );
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const double t_kp1 =
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( fh[idx_fh_F_ord2(iF - 2, jF, kF + 1, ex)]
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-F8*fh[idx_fh_F_ord2(iF - 1, jF, kF + 1, ex)]
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+F8*fh[idx_fh_F_ord2(iF + 1, jF, kF + 1, ex)]
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- fh[idx_fh_F_ord2(iF + 2, jF, kF + 1, ex)] );
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const double t_kp2 =
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( fh[idx_fh_F_ord2(iF - 2, jF, kF + 2, ex)]
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-F8*fh[idx_fh_F_ord2(iF - 1, jF, kF + 2, ex)]
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+F8*fh[idx_fh_F_ord2(iF + 1, jF, kF + 2, ex)]
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- fh[idx_fh_F_ord2(iF + 2, jF, kF + 2, ex)] );
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fxz[p] = Fdxdz * ( t_km2 - F8 * t_km1 + F8 * t_kp1 - t_kp2 );
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}
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/* fyz 高阶 */
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{
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const double t_km2 =
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( fh[idx_fh_F_ord2(iF, jF - 2, kF - 2, ex)]
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-F8*fh[idx_fh_F_ord2(iF, jF - 1, kF - 2, ex)]
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+F8*fh[idx_fh_F_ord2(iF, jF + 1, kF - 2, ex)]
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- fh[idx_fh_F_ord2(iF, jF + 2, kF - 2, ex)] );
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const double t_km1 =
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( fh[idx_fh_F_ord2(iF, jF - 2, kF - 1, ex)]
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-F8*fh[idx_fh_F_ord2(iF, jF - 1, kF - 1, ex)]
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+F8*fh[idx_fh_F_ord2(iF, jF + 1, kF - 1, ex)]
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- fh[idx_fh_F_ord2(iF, jF + 2, kF - 1, ex)] );
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const double t_kp1 =
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( fh[idx_fh_F_ord2(iF, jF - 2, kF + 1, ex)]
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-F8*fh[idx_fh_F_ord2(iF, jF - 1, kF + 1, ex)]
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+F8*fh[idx_fh_F_ord2(iF, jF + 1, kF + 1, ex)]
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- fh[idx_fh_F_ord2(iF, jF + 2, kF + 1, ex)] );
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const double t_kp2 =
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( fh[idx_fh_F_ord2(iF, jF - 2, kF + 2, ex)]
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-F8*fh[idx_fh_F_ord2(iF, jF - 1, kF + 2, ex)]
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+F8*fh[idx_fh_F_ord2(iF, jF + 1, kF + 2, ex)]
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- fh[idx_fh_F_ord2(iF, jF + 2, kF + 2, ex)] );
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fyz[p] = Fdydz * ( t_km2 - F8 * t_km1 + F8 * t_kp1 - t_kp2 );
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}
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}
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/* 二阶分支：i±1,j±1,k±1 在范围内 */
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else if ((iF + 1) <= imaxF && (iF - 1) >= iminF &&
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(jF + 1) <= jmaxF && (jF - 1) >= jminF &&
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(kF + 1) <= kmaxF && (kF - 1) >= kminF)
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{
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fxx[p] = Sdxdx * (
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fh[idx_fh_F_ord2(iF - 1, jF, kF, ex)] -
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TWO * fh[idx_fh_F_ord2(iF, jF, kF, ex)] +
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@@ -271,17 +188,131 @@ void fdderivs(const int ex[3],
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fh[idx_fh_F_ord2(iF, jF - 1, kF + 1, ex)] +
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fh[idx_fh_F_ord2(iF, jF + 1, kF + 1, ex)]
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);
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}else{
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fxx[p] = 0.0;
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fyy[p] = 0.0;
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fzz[p] = 0.0;
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fxy[p] = 0.0;
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fxz[p] = 0.0;
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fyz[p] = 0.0;
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}
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}
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}
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}
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if (i4_lo <= i4_hi && j4_lo <= j4_hi && k4_lo <= k4_hi) {
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for (int k0 = k4_lo; k0 <= k4_hi; ++k0) {
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const int kF = k0 + 1;
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for (int j0 = j4_lo; j0 <= j4_hi; ++j0) {
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const int jF = j0 + 1;
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for (int i0 = i4_lo; i0 <= i4_hi; ++i0) {
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const int iF = i0 + 1;
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const size_t p = idx_ex(i0, j0, k0, ex);
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fxx[p] = Fdxdx * (
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-fh[idx_fh_F_ord2(iF - 2, jF, kF, ex)] +
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F16 * fh[idx_fh_F_ord2(iF - 1, jF, kF, ex)] -
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F30 * fh[idx_fh_F_ord2(iF, jF, kF, ex)] -
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fh[idx_fh_F_ord2(iF + 2, jF, kF, ex)] +
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F16 * fh[idx_fh_F_ord2(iF + 1, jF, kF, ex)]
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);
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fyy[p] = Fdydy * (
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-fh[idx_fh_F_ord2(iF, jF - 2, kF, ex)] +
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F16 * fh[idx_fh_F_ord2(iF, jF - 1, kF, ex)] -
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F30 * fh[idx_fh_F_ord2(iF, jF, kF, ex)] -
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fh[idx_fh_F_ord2(iF, jF + 2, kF, ex)] +
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F16 * fh[idx_fh_F_ord2(iF, jF + 1, kF, ex)]
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);
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fzz[p] = Fdzdz * (
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-fh[idx_fh_F_ord2(iF, jF, kF - 2, ex)] +
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F16 * fh[idx_fh_F_ord2(iF, jF, kF - 1, ex)] -
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F30 * fh[idx_fh_F_ord2(iF, jF, kF, ex)] -
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fh[idx_fh_F_ord2(iF, jF, kF + 2, ex)] +
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F16 * fh[idx_fh_F_ord2(iF, jF, kF + 1, ex)]
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);
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{
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const double t_jm2 =
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( fh[idx_fh_F_ord2(iF - 2, jF - 2, kF, ex)]
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-F8*fh[idx_fh_F_ord2(iF - 1, jF - 2, kF, ex)]
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+F8*fh[idx_fh_F_ord2(iF + 1, jF - 2, kF, ex)]
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- fh[idx_fh_F_ord2(iF + 2, jF - 2, kF, ex)] );
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const double t_jm1 =
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( fh[idx_fh_F_ord2(iF - 2, jF - 1, kF, ex)]
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-F8*fh[idx_fh_F_ord2(iF - 1, jF - 1, kF, ex)]
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+F8*fh[idx_fh_F_ord2(iF + 1, jF - 1, kF, ex)]
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- fh[idx_fh_F_ord2(iF + 2, jF - 1, kF, ex)] );
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const double t_jp1 =
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( fh[idx_fh_F_ord2(iF - 2, jF + 1, kF, ex)]
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-F8*fh[idx_fh_F_ord2(iF - 1, jF + 1, kF, ex)]
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+F8*fh[idx_fh_F_ord2(iF + 1, jF + 1, kF, ex)]
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- fh[idx_fh_F_ord2(iF + 2, jF + 1, kF, ex)] );
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const double t_jp2 =
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( fh[idx_fh_F_ord2(iF - 2, jF + 2, kF, ex)]
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-F8*fh[idx_fh_F_ord2(iF - 1, jF + 2, kF, ex)]
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+F8*fh[idx_fh_F_ord2(iF + 1, jF + 2, kF, ex)]
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- fh[idx_fh_F_ord2(iF + 2, jF + 2, kF, ex)] );
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fxy[p] = Fdxdy * ( t_jm2 - F8 * t_jm1 + F8 * t_jp1 - t_jp2 );
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}
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{
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const double t_km2 =
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( fh[idx_fh_F_ord2(iF - 2, jF, kF - 2, ex)]
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-F8*fh[idx_fh_F_ord2(iF - 1, jF, kF - 2, ex)]
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+F8*fh[idx_fh_F_ord2(iF + 1, jF, kF - 2, ex)]
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- fh[idx_fh_F_ord2(iF + 2, jF, kF - 2, ex)] );
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const double t_km1 =
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( fh[idx_fh_F_ord2(iF - 2, jF, kF - 1, ex)]
|
||||
-F8*fh[idx_fh_F_ord2(iF - 1, jF, kF - 1, ex)]
|
||||
+F8*fh[idx_fh_F_ord2(iF + 1, jF, kF - 1, ex)]
|
||||
- fh[idx_fh_F_ord2(iF + 2, jF, kF - 1, ex)] );
|
||||
|
||||
const double t_kp1 =
|
||||
( fh[idx_fh_F_ord2(iF - 2, jF, kF + 1, ex)]
|
||||
-F8*fh[idx_fh_F_ord2(iF - 1, jF, kF + 1, ex)]
|
||||
+F8*fh[idx_fh_F_ord2(iF + 1, jF, kF + 1, ex)]
|
||||
- fh[idx_fh_F_ord2(iF + 2, jF, kF + 1, ex)] );
|
||||
|
||||
const double t_kp2 =
|
||||
( fh[idx_fh_F_ord2(iF - 2, jF, kF + 2, ex)]
|
||||
-F8*fh[idx_fh_F_ord2(iF - 1, jF, kF + 2, ex)]
|
||||
+F8*fh[idx_fh_F_ord2(iF + 1, jF, kF + 2, ex)]
|
||||
- fh[idx_fh_F_ord2(iF + 2, jF, kF + 2, ex)] );
|
||||
|
||||
fxz[p] = Fdxdz * ( t_km2 - F8 * t_km1 + F8 * t_kp1 - t_kp2 );
|
||||
}
|
||||
|
||||
{
|
||||
const double t_km2 =
|
||||
( fh[idx_fh_F_ord2(iF, jF - 2, kF - 2, ex)]
|
||||
-F8*fh[idx_fh_F_ord2(iF, jF - 1, kF - 2, ex)]
|
||||
+F8*fh[idx_fh_F_ord2(iF, jF + 1, kF - 2, ex)]
|
||||
- fh[idx_fh_F_ord2(iF, jF + 2, kF - 2, ex)] );
|
||||
|
||||
const double t_km1 =
|
||||
( fh[idx_fh_F_ord2(iF, jF - 2, kF - 1, ex)]
|
||||
-F8*fh[idx_fh_F_ord2(iF, jF - 1, kF - 1, ex)]
|
||||
+F8*fh[idx_fh_F_ord2(iF, jF + 1, kF - 1, ex)]
|
||||
- fh[idx_fh_F_ord2(iF, jF + 2, kF - 1, ex)] );
|
||||
|
||||
const double t_kp1 =
|
||||
( fh[idx_fh_F_ord2(iF, jF - 2, kF + 1, ex)]
|
||||
-F8*fh[idx_fh_F_ord2(iF, jF - 1, kF + 1, ex)]
|
||||
+F8*fh[idx_fh_F_ord2(iF, jF + 1, kF + 1, ex)]
|
||||
- fh[idx_fh_F_ord2(iF, jF + 2, kF + 1, ex)] );
|
||||
|
||||
const double t_kp2 =
|
||||
( fh[idx_fh_F_ord2(iF, jF - 2, kF + 2, ex)]
|
||||
-F8*fh[idx_fh_F_ord2(iF, jF - 1, kF + 2, ex)]
|
||||
+F8*fh[idx_fh_F_ord2(iF, jF + 1, kF + 2, ex)]
|
||||
- fh[idx_fh_F_ord2(iF, jF + 2, kF + 2, ex)] );
|
||||
|
||||
fyz[p] = Fdydz * ( t_km2 - F8 * t_km1 + F8 * t_kp1 - t_kp2 );
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// free(fh);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -81,26 +81,63 @@ void fderivs(const int ex[3],
|
||||
}
|
||||
|
||||
/*
|
||||
* Fortran loops:
|
||||
* do k=1,ex3-1
|
||||
* do j=1,ex2-1
|
||||
* do i=1,ex1-1
|
||||
* 两段式：
|
||||
* 1) 先在二阶可用区域计算二阶模板
|
||||
* 2) 再在高阶可用区域覆盖为四阶模板
|
||||
*
|
||||
* C: k0=0..ex3-2, j0=0..ex2-2, i0=0..ex1-2
|
||||
* 与原 if/elseif 逻辑等价，但减少逐点分支判断。
|
||||
*/
|
||||
for (int k0 = 0; k0 <= ex3 - 2; ++k0) {
|
||||
const int kF = k0 + 1;
|
||||
for (int j0 = 0; j0 <= ex2 - 2; ++j0) {
|
||||
const int jF = j0 + 1;
|
||||
for (int i0 = 0; i0 <= ex1 - 2; ++i0) {
|
||||
const int iF = i0 + 1;
|
||||
const size_t p = idx_ex(i0, j0, k0, ex);
|
||||
const int i2_lo = (iminF > 0) ? iminF : 0;
|
||||
const int j2_lo = (jminF > 0) ? jminF : 0;
|
||||
const int k2_lo = (kminF > 0) ? kminF : 0;
|
||||
const int i2_hi = ex1 - 2;
|
||||
const int j2_hi = ex2 - 2;
|
||||
const int k2_hi = ex3 - 2;
|
||||
|
||||
const int i4_lo = (iminF + 1 > 0) ? (iminF + 1) : 0;
|
||||
const int j4_lo = (jminF + 1 > 0) ? (jminF + 1) : 0;
|
||||
const int k4_lo = (kminF + 1 > 0) ? (kminF + 1) : 0;
|
||||
const int i4_hi = ex1 - 3;
|
||||
const int j4_hi = ex2 - 3;
|
||||
const int k4_hi = ex3 - 3;
|
||||
|
||||
if (i2_lo <= i2_hi && j2_lo <= j2_hi && k2_lo <= k2_hi) {
|
||||
for (int k0 = k2_lo; k0 <= k2_hi; ++k0) {
|
||||
const int kF = k0 + 1;
|
||||
for (int j0 = j2_lo; j0 <= j2_hi; ++j0) {
|
||||
const int jF = j0 + 1;
|
||||
for (int i0 = i2_lo; i0 <= i2_hi; ++i0) {
|
||||
const int iF = i0 + 1;
|
||||
const size_t p = idx_ex(i0, j0, k0, ex);
|
||||
|
||||
fx[p] = d2dx * (
|
||||
-fh[idx_fh_F_ord2(iF - 1, jF, kF, ex)] +
|
||||
fh[idx_fh_F_ord2(iF + 1, jF, kF, ex)]
|
||||
);
|
||||
|
||||
fy[p] = d2dy * (
|
||||
-fh[idx_fh_F_ord2(iF, jF - 1, kF, ex)] +
|
||||
fh[idx_fh_F_ord2(iF, jF + 1, kF, ex)]
|
||||
);
|
||||
|
||||
fz[p] = d2dz * (
|
||||
-fh[idx_fh_F_ord2(iF, jF, kF - 1, ex)] +
|
||||
fh[idx_fh_F_ord2(iF, jF, kF + 1, ex)]
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (i4_lo <= i4_hi && j4_lo <= j4_hi && k4_lo <= k4_hi) {
|
||||
for (int k0 = k4_lo; k0 <= k4_hi; ++k0) {
|
||||
const int kF = k0 + 1;
|
||||
for (int j0 = j4_lo; j0 <= j4_hi; ++j0) {
|
||||
const int jF = j0 + 1;
|
||||
for (int i0 = i4_lo; i0 <= i4_hi; ++i0) {
|
||||
const int iF = i0 + 1;
|
||||
const size_t p = idx_ex(i0, j0, k0, ex);
|
||||
|
||||
// if(i+2 <= imax .and. i-2 >= imin ... ) (全是 Fortran 索引)
|
||||
if ((iF + 2) <= imaxF && (iF - 2) >= iminF &&
|
||||
(jF + 2) <= jmaxF && (jF - 2) >= jminF &&
|
||||
(kF + 2) <= kmaxF && (kF - 2) >= kminF)
|
||||
{
|
||||
fx[p] = d12dx * (
|
||||
fh[idx_fh_F_ord2(iF - 2, jF, kF, ex)] -
|
||||
EIT * fh[idx_fh_F_ord2(iF - 1, jF, kF, ex)] +
|
||||
@@ -122,29 +159,9 @@ void fderivs(const int ex[3],
|
||||
fh[idx_fh_F_ord2(iF, jF, kF + 2, ex)]
|
||||
);
|
||||
}
|
||||
// elseif(i+1 <= imax .and. i-1 >= imin ...)
|
||||
else if ((iF + 1) <= imaxF && (iF - 1) >= iminF &&
|
||||
(jF + 1) <= jmaxF && (jF - 1) >= jminF &&
|
||||
(kF + 1) <= kmaxF && (kF - 1) >= kminF)
|
||||
{
|
||||
fx[p] = d2dx * (
|
||||
-fh[idx_fh_F_ord2(iF - 1, jF, kF, ex)] +
|
||||
fh[idx_fh_F_ord2(iF + 1, jF, kF, ex)]
|
||||
);
|
||||
|
||||
fy[p] = d2dy * (
|
||||
-fh[idx_fh_F_ord2(iF, jF - 1, kF, ex)] +
|
||||
fh[idx_fh_F_ord2(iF, jF + 1, kF, ex)]
|
||||
);
|
||||
|
||||
fz[p] = d2dz * (
|
||||
-fh[idx_fh_F_ord2(iF, jF, kF - 1, ex)] +
|
||||
fh[idx_fh_F_ord2(iF, jF, kF + 1, ex)]
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// free(fh);
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user