[Checking this for Emil] Its not clear why this warning is coming up. The following fixes it. (not sure if its a workarround or a fix) Any objections to pushing? thanks, Statish ------------- diff --git a/src/ts/impls/explicit/rk/rk.c b/src/ts/impls/explicit/rk/rk.c index e3d106f..dfe3de9 100644 --- a/src/ts/impls/explicit/rk/rk.c +++ b/src/ts/impls/explicit/rk/rk.c @@ -566,7 +566,6 @@ static PetscErrorCode TSAdjointStep_RK(TS ts) PetscFunctionBegin; t = ts->ptime; rk->status = TS_STEP_INCOMPLETE; - h = ts->time_step; ierr = TSPreStep(ts);CHKERRQ(ierr); for (i=s-1; i>=0; i--) { rk->stage_time = t + h*(1.0-c[i]); @@ -772,6 +771,7 @@ static PetscErrorCode TSSetUp_RK(TS ts) } if (!rk->tableau) { ierr = TSRKSetType(ts,TSRKDefault);CHKERRQ(ierr); + rk = (TS_RK*)ts->data; } tab = rk->tableau; s = tab->s; @@ -937,6 +937,7 @@ PetscErrorCode TSRKGetType_RK(TS ts,TSRKType *rktype) PetscFunctionBegin; if (!rk->tableau) { ierr = TSRKSetType(ts,TSRKDefault);CHKERRQ(ierr); + rk = (TS_RK*)ts->data; } *rktype = rk->tableau->name; PetscFunctionReturn(0); On Fri, 8 Apr 2016, PETSc checkBuilds wrote:

Dear PETSc developer,

This email contains listings of contributions attributed to you by `git blame` that caused compiler errors or warnings in PETSc automated testing. Follow the links to see the full log files. Please attempt to fix the issues promptly or let us know at [email protected] if you are unable to resolve the issues.

Thanks, The PETSc development team

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warnings attributed to commit https://bitbucket.org/petsc/petsc/commits/f68a32c Implemented the renovated RK.

src/ts/impls/explicit/rk/rk.c:775 [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2016/04/08/build_next_a...] /sandbox/petsc/petsc.clone/src/ts/impls/explicit/rk/rk.c:775:10: warning: Access to field 's' results in a dereference of a null pointer (loaded from variable 'tab')

src/ts/impls/explicit/rk/rk.c:939 [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2016/04/08/build_next_a...] /sandbox/petsc/petsc.clone/src/ts/impls/explicit/rk/rk.c:939:13: warning: Access to field 'name' results in a dereference of a null pointer (loaded from field 'tableau')

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