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/petsc/src/snes/tutorials/
H A Dex19.c239 PetscScalar u, uxx, uyy, vx, vy, avx, avy, vxp, vxm, vyp, vym; in FormFunctionLocal() local
334 uxx = (2.0 * u - x[j][i - 1].u - x[j][i + 1].u) * hydhx; in FormFunctionLocal()
336 f[j][i].u = uxx + uyy - .5 * (x[j + 1][i].omega - x[j - 1][i].omega) * hx; in FormFunctionLocal()
340 uxx = (2.0 * u - x[j][i - 1].v - x[j][i + 1].v) * hydhx; in FormFunctionLocal()
342 f[j][i].v = uxx + uyy + .5 * (x[j][i + 1].omega - x[j][i - 1].omega) * hy; in FormFunctionLocal()
346 uxx = (2.0 * u - x[j][i - 1].omega - x[j][i + 1].omega) * hydhx; in FormFunctionLocal()
348 …f[j][i].omega = uxx + uyy + (vxp * (u - x[j][i - 1].omega) + vxm * (x[j][i + 1].omega - u)) * hy +… in FormFunctionLocal()
352 uxx = (2.0 * u - x[j][i - 1].temp - x[j][i + 1].temp) * hydhx; in FormFunctionLocal()
354 …f[j][i].temp = uxx + uyy + prandtl * ((vxp * (u - x[j][i - 1].temp) + vxm * (x[j][i + 1].temp - u)… in FormFunctionLocal()
380 PetscScalar u, uxx, uyy, vx, vy, avx, avy, vxp, vxm, vyp, vym; in NonlinearGS() local
[all …]
H A Dex5m.m17 uxx = (2.0*u - localX(1:m-2,2:n-1) - localX(3:m,2:n-1))*hydhx; variable
22 localF(2:m-1,2:n-1) = uxx + uyy - sc*exp(u);
H A Dex35.c249 PetscScalar **x, F, J, u, uxx, uyy; in NonlinearGS() local
293 uxx = (2.0 * u - x[j][i - 1] - x[j][i + 1]) * hydhx; in NonlinearGS()
295 F = uxx + uyy; in NonlinearGS()
H A Dex46.c124 PetscScalar u, ux, uy, uxx, uyy; in FormFunctionLocal() local
148 uxx = (2.0 * u - x[j][i - 1] - x[j][i + 1]) * hydhx; in FormFunctionLocal()
150 …f[j][i] = D * (uxx + uyy) - (K * funcA(x[j][i], user) * PetscSqrtScalar(ux * ux + uy * uy) + funcU… in FormFunctionLocal()
H A Dex5f.F90171 PetscScalar u, uxx, uyy
197 uxx = hydhx*(two*u - x(i - 1, j) - x(i + 1, j))
199 f(i, j) = uxx + uyy - sc*exp(u)
H A Dex5f90t.F90230 PetscScalar u, uxx, uyy
249 uxx = hydhx*(two*u - x(i - 1, j) - x(i + 1, j))
251 f(i, j) = uxx + uyy - sc*exp(u)
H A Dex5f90.F90240 PetscScalar u, uxx, uyy
259 uxx = hydhx*(two*u - x(i - 1, j) - x(i + 1, j))
261 f(i, j) = uxx + uyy - sc*exp(u)
/petsc/src/ts/tutorials/
H A Dex26.c263 PetscScalar u, udot, uxx, uyy, vx, vy, avx, avy, vxp, vxm, vyp, vym; in FormIFunctionLocal() local
359 uxx = (2.0 * u - x[j][i - 1].u - x[j][i + 1].u) * hydhx; in FormIFunctionLocal()
361 f[j][i].u = udot + uxx + uyy - .5 * (x[j + 1][i].omega - x[j - 1][i].omega) * hx; in FormIFunctionLocal()
366 uxx = (2.0 * u - x[j][i - 1].v - x[j][i + 1].v) * hydhx; in FormIFunctionLocal()
368 f[j][i].v = udot + uxx + uyy + .5 * (x[j][i + 1].omega - x[j][i - 1].omega) * hy; in FormIFunctionLocal()
372 uxx = (2.0 * u - x[j][i - 1].omega - x[j][i + 1].omega) * hydhx; in FormIFunctionLocal()
374 …f[j][i].omega = (xdot[j][i].omega + uxx + uyy + (vxp * (u - x[j][i - 1].omega) + vxm * (x[j][i + 1… in FormIFunctionLocal()
378 uxx = (2.0 * u - x[j][i - 1].temp - x[j][i + 1].temp) * hydhx; in FormIFunctionLocal()
380 …f[j][i].temp = (xdot[j][i].temp + uxx + uyy + prandtl * ((vxp * (u - x[j][i - 1].temp) + vxm * (x[… in FormIFunctionLocal()
H A Dex7.c129 PetscScalar u, uxx, uyy, **x, **f; in FormFunction() local
172 uxx = (two * u - x[j][i - 1] - x[j][i + 1]) * sx; in FormFunction()
175 …f[j][i] = -u * (uxx + uyy) - (4.0 - 1.0) * ((x[j][i + 1] - x[j][i - 1]) * (x[j][i + 1] - x[j][i - … in FormFunction()
H A Dex15.c161 PetscScalar u, uxx, uyy, **uarray, **f, **udot; in FormIFunction() local
220 uxx = (-2.0 * u + uarray[j][i - 1] + uarray[j][i + 1]); in FormIFunction()
224 …uxx = 2.0 * uxx / 3.0 + (0.5 * (uarray[j - 1][i - 1] + uarray[j - 1][i + 1] + uarray[j + 1][i - 1]… in FormIFunction()
227 f[j][i] = udot[j][i] - (uxx * sx + uyy * sy); in FormIFunction()
H A Dex12.c136 PetscScalar u, uxx, uyy, v, ***x, ***f; in FormFunction() local
182 uxx = (-2.0 * u + x[j][i - 1][0] + x[j][i + 1][0]) * sx; in FormFunction()
185 f[j][i][1] = uxx + uyy; in FormFunction()
H A Dex1.c218 PetscScalar ut, ub, ul, ur, u, uxx, uyy, sc, *f; in FormFunction() local
246 uxx = (-ur + two * u - ul) * hydhx; in FormFunction()
248 f[row] = -uxx + -uyy + sc * lambda * PetscExpScalar(u); in FormFunction()
H A Dex1f.F9038 PetscScalar uxx, uyy, sc
67 uxx = (-ur + two*u - ul)*hydhx
69 ff(row) = -uxx - uyy + sc*lambda*exp(u)
H A Dex13.c122 PetscScalar u, uxx, uyy, **uarray, **f; in RHSFunction() local
159 uxx = (-two * u + uarray[j][i - 1] + uarray[j][i + 1]) * sx; in RHSFunction()
161 f[j][i] = uxx + uyy; in RHSFunction()
H A Dex27.c191 PetscScalar u, uxx, uyy; in FormIFunctionLocal() local
251 if (i != info->mx - 1) uxx = (2.0 * u - x[j][i - 1].sp[l] - x[j][i + 1].sp[l]) * hydhx; in FormIFunctionLocal()
252 else uxx = u - x[j][i - 1].sp[l]; in FormIFunctionLocal()
258 f[j][i].sp[l] += f_advect + ctx->dispersivity * (uxx + uyy); in FormIFunctionLocal()
/petsc/src/snes/tests/
H A Dex69.c214 PetscScalar u, uxx, uyy, vx, vy, avx, avy, vxp, vxm, vyp, vym; in FormFunctionLocal() local
315 uxx = (2.0 * u - x[j][i - 1].u - x[j][i + 1].u) * hydhx; in FormFunctionLocal()
317 f[j][i].u = uxx + uyy - .5 * (x[j + 1][i].omega - x[j - 1][i].omega) * hx; in FormFunctionLocal()
321 uxx = (2.0 * u - x[j][i - 1].v - x[j][i + 1].v) * hydhx; in FormFunctionLocal()
323 f[j][i].v = uxx + uyy + .5 * (x[j][i + 1].omega - x[j][i - 1].omega) * hy; in FormFunctionLocal()
327 uxx = (2.0 * u - x[j][i - 1].omega - x[j][i + 1].omega) * hydhx; in FormFunctionLocal()
329 …f[j][i].omega = uxx + uyy + (vxp * (u - x[j][i - 1].omega) + vxm * (x[j][i + 1].omega - u)) * hy +… in FormFunctionLocal()
333 uxx = (2.0 * u - x[j][i - 1].temp - x[j][i + 1].temp) * hydhx; in FormFunctionLocal()
335 …f[j][i].temp = uxx + uyy + prandtl * ((vxp * (u - x[j][i - 1].temp) + vxm * (x[j][i + 1].temp - u)… in FormFunctionLocal()
H A Dex1f.F90255 PetscScalar u, uxx, uyy
275 uxx = hydhx*(two*u - x(i - 1, j) - x(i + 1, j))
277 f(i, j) = uxx + uyy - sc*exp(u)
/petsc/src/ts/tutorials/advection-diffusion-reaction/
H A Dex5adj_mf.c65 PetscScalar uc, uxx, uyy, vc, vxx, vyy, ucb, vcb; in MyRHSMatMultTranspose() local
100 uxx = (-2.0 * ucb + x[j][i - 1].u + x[j][i + 1].u) * sx; in MyRHSMatMultTranspose()
106 y[j][i].u = appctx->D1 * (uxx + uyy) - ucb * (vc * vc + appctx->gamma) + vc * vc * vcb; in MyRHSMatMultTranspose()
124 PetscScalar uc, uxx, uyy, vc, vxx, vyy, ucb, vcb; in MyIMatMultTranspose() local
159 uxx = (-2.0 * ucb + x[j][i - 1].u + x[j][i + 1].u) * sx; in MyIMatMultTranspose()
165 y[j][i].u = appctx->D1 * (uxx + uyy) - ucb * (vc * vc + appctx->gamma) + vc * vc * vcb; in MyIMatMultTranspose()
185 PetscScalar uc, uxx, uyy, vc, vxx, vyy, ucb, vcb; in MyIMatMult() local
220 uxx = (-2.0 * ucb + x[j][i - 1].u + x[j][i + 1].u) * sx; in MyIMatMult()
226 y[j][i].u = appctx->D1 * (uxx + uyy) - (vc * vc + appctx->gamma) * ucb - 2.0 * uc * vc * vcb; in MyIMatMult()
H A Dreaction_diffusion.c33 PetscScalar uc, uxx, uyy, vc, vxx, vyy; in RHSFunction() local
72 uxx = (-2.0 * uc + u[j][i - 1].u + u[j][i + 1].u) * sx; in RHSFunction()
77 f[j][i].u = appctx->D1 * (uxx + uyy) - uc * vc * vc + appctx->gamma * (1.0 - uc); in RHSFunction()
241 PetscScalar uc, uxx, uyy, vc, vxx, vyy; in IFunction() local
281 uxx = (-2.0 * uc + u[j][i - 1].u + u[j][i + 1].u) * sx; in IFunction()
286 … f[j][i].u = udot[j][i].u - (appctx->D1 * (uxx + uyy) - uc * vc * vc + appctx->gamma * (1.0 - uc)); in IFunction()
/petsc/src/mat/impls/h2opus/cuda/
H A Dmath2opus.cu342 PetscScalar *xx, *yy, *uxx, *uyy; in MatMultNKernel_H2OPUS() local
371 uxx = MatH2OpusGetThrustPointer(*h2opus->xx); in MatMultNKernel_H2OPUS()
373 PetscCall(PetscSFBcastBegin(bsf, MPIU_SCALAR, xx, uxx, MPI_REPLACE)); in MatMultNKernel_H2OPUS()
374 PetscCall(PetscSFBcastEnd(bsf, MPIU_SCALAR, xx, uxx, MPI_REPLACE)); in MatMultNKernel_H2OPUS()
376 uxx = xx; in MatMultNKernel_H2OPUS()
383 …ansA ? H2Opus_Trans : H2Opus_NoTrans, */ h2opus->s, *h2opus->dist_hmatrix, uxx, blda, 0.0, uyy, cl… in MatMultNKernel_H2OPUS()
387 …hgemv(transA ? H2Opus_Trans : H2Opus_NoTrans, h2opus->s, *h2opus->hmatrix, uxx, blda, 0.0, uyy, cl… in MatMultNKernel_H2OPUS()
410 uxx = MatH2OpusGetThrustPointer(*h2opus->xx_gpu); in MatMultNKernel_H2OPUS()
412 PetscCall(PetscSFBcastBegin(bsf, MPIU_SCALAR, xx, uxx, MPI_REPLACE)); in MatMultNKernel_H2OPUS()
413 PetscCall(PetscSFBcastEnd(bsf, MPIU_SCALAR, xx, uxx, MPI_REPLACE)); in MatMultNKernel_H2OPUS()
[all …]
/petsc/src/ts/tests/
H A Dex21.c38 PetscScalar ut, u, ue, uw, un, us, uxx, uyy; in FormIFunctionLocal() local
62 uxx = (uw - 2.0 * u + ue) / (hx * hx); in FormIFunctionLocal()
64 f[j][i] = ut - uxx - uyy - lambda * PetscExpScalar(u); in FormIFunctionLocal()
/petsc/src/ts/tutorials/autodiff/
H A Dadr_ex5adj_mf.cxx253 PetscScalar uc, uxx, uyy, vc, vxx, vyy; in IFunctionLocalPassive() local
271 uxx = (-2.0 * uc + u[j][i - 1].u + u[j][i + 1].u) * sx; in IFunctionLocalPassive()
276 … f[j][i].u = udot[j][i].u - appctx->D1 * (uxx + uyy) + uc * vc * vc - appctx->gamma * (1.0 - uc); in IFunctionLocalPassive()
293 adouble uc, uxx, uyy, vc, vxx, vyy; in IFunctionActive() local
367 uxx = (-2.0 * uc + u_a[j][i - 1].u + u_a[j][i + 1].u) * sx; in IFunctionActive()
372 … f_a[j][i].u = udot[j][i].u - appctx->D1 * (uxx + uyy) + uc * vc * vc - appctx->gamma * (1.0 - uc); in IFunctionActive()
H A Dadr_ex5adj.cxx365 PetscScalar uc, uxx, uyy, vc, vxx, vyy; in IFunctionLocalPassive() local
383 uxx = (-2.0 * uc + u[j][i - 1].u + u[j][i + 1].u) * sx; in IFunctionLocalPassive()
388 … f[j][i].u = udot[j][i].u - appctx->D1 * (uxx + uyy) + uc * vc * vc - appctx->gamma * (1.0 - uc); in IFunctionLocalPassive()
405 adouble uc, uxx, uyy, vc, vxx, vyy; in IFunctionActive() local
479 uxx = (-2.0 * uc + u_a[j][i - 1].u + u_a[j][i + 1].u) * sx; in IFunctionActive()
484 … f_a[j][i].u = udot[j][i].u - appctx->D1 * (uxx + uyy) + uc * vc * vc - appctx->gamma * (1.0 - uc); in IFunctionActive()
532 PetscScalar uc, uxx, uyy, vc, vxx, vyy; in RHSFunctionPassive() local
575 uxx = (-2.0 * uc + u[j][i - 1].u + u[j][i + 1].u) * sx; in RHSFunctionPassive()
580 f[j][i].u = appctx->D1 * (uxx + uyy) - uc * vc * vc + appctx->gamma * (1.0 - uc); in RHSFunctionPassive()
613 adouble uc, uxx, uyy, vc, vxx, vyy; in RHSFunctionActive() local
[all …]
/petsc/src/binding/petsc4py/demo/legacy/wrap-f2py/
H A DBratu2D.F9097 PetscScalar u, uxx, uyy
115 uxx = (two*u - x(i - 1, j) - x(i + 1, j))*hydhx
117 f(i, j) = uxx + uyy - lambda*exp(u)*sc
/petsc/src/ksp/ksp/tutorials/
H A Dex14f.F90153 PetscScalar u, uxx, uyy
198 uxx = (two*u - xx(row - 1) - xx(row + 1))*hydhx
200 ff(rowf) = uxx + uyy - sc*exp(u)

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