Searched refs:dpiold (Results 1 – 2 of 2) sorted by relevance
| /petsc/src/ksp/ksp/impls/cg/ |
| H A D | cg.c | 122 PetscScalar dpi = 0.0, a = 1.0, beta, betaold = 1.0, b = 0, *e = NULL, *d = NULL, dpiold; in KSPSolve_CG() local
256 dpiold = dpi; in KSPSolve_CG()
262 … 0.0) || ((i > 0) && ((PetscSign(PetscRealPart(dpi)) * PetscSign(PetscRealPart(dpiold))) < 0.0))) { in KSPSolve_CG()
283 … indefinite matrix, dpi %g, dpiold %g", (double)PetscRealPart(dpi), (double)PetscRealPart(dpiold)); in KSPSolve_CG()
367 …PetscScalar dpi = 0.0, a = 1.0, beta, betaold = 1.0, b = 0, *e = NULL, *d = NULL, delta, dpiold, t… in KSPSolve_CG_SingleReduction() local
469 dpiold = dpi; in KSPSolve_CG_SingleReduction()
475 …dpi = delta - beta * beta * dpiold / (betaold * betaold); /* dpi <- p'w … in KSPSolve_CG_SingleReduction()
480 if ((dpi == 0.0) || ((i > 0) && (PetscRealPart(dpi * dpiold) <= 0.0))) { in KSPSolve_CG_SingleReduction()
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| /petsc/src/ksp/ksp/impls/fcg/ |
| H A D | fcg.c | 76 PetscScalar alpha = 0.0, beta = 0.0, dpi = 0.0, dpiold, s; in KSPSolve_FCG() local
205 dpiold = dpi; in KSPSolve_FCG()
207 … 0.0) || ((i > 0) && ((PetscSign(PetscRealPart(dpi)) * PetscSign(PetscRealPart(dpiold))) < 0.0))) { in KSPSolve_FCG()
208 … indefinite matrix, dpi %g, dpiold %g", (double)PetscRealPart(dpi), (double)PetscRealPart(dpiold)); in KSPSolve_FCG()
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