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We cannot see your code. The warning says that you give a value to a variable, but then never use it. We cannot tell if that is true without looking at the code. Thanks, Matt On Tue, Jul 16, 2024 at 9: 54 AM Ivan Luthfi <ivanluthfi5@ gmail. com>
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<div dir="ltr">We cannot see your code. The warning says that you give a value to a variable, but then never use it. We cannot tell if that is true without looking at the code.<div><br></div><div> Thanks,</div><div><br></div><div> Matt</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Jul 16, 2024 at 9:54 AM Ivan Luthfi <<a href="mailto:ivanluthfi5@gmail.com">ivanluthfi5@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="msg7858489785967699887">
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Hello guys, I am still trying to compile my old multigrid code. But i get so many warning, one of those warning is like this: MsFEM_poisson2D_DMDA. c: In function ‘int main(int, char**)’: MsFEM_poisson2D_DMDA. c: 185: 48: warning: variable ‘finest’
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<div dir="ltr">Hello guys, <br>I am still trying to compile my old multigrid code. But i get so many warning, one of those warning is like this:<br>MsFEM_poisson2D_DMDA.c: In function ‘int main(int, char**)’:<br>MsFEM_poisson2D_DMDA.c:185:48: warning: variable ‘finest’ set but not used [-Wunused-but-set-variable]<br> 185 | PetscInt mg_level = 2, finest;<br> | ^~~~~~<br>MsFEM_poisson2D_DMDA.c:56:44: warning: variable ‘pi’ set but not used [-Wunused-but-set-variable]<br> 56 | PetscScalar a,b,c,d,dt,pi;<br> | ^~<br>MsFEM_poisson2D_DMDA.c:57:35: warning: variable ‘Lx’ set but not used [-Wunused-but-set-variable]<br> 57 | PetscInt M,Lx,Ly,Nx,Ny,Mx,My;<br> | ^~<br>MsFEM_poisson2D_DMDA.c:57:38: warning: variable ‘Ly’ set but not used [-Wunused-but-set-variable]<br> 57 | PetscInt M,Lx,Ly,Nx,Ny,Mx,My;<br> | ^~<br>MsFEM_poisson2D_DMDA.c:58:33: warning: variable ‘hx’ set but not used [-Wunused-but-set-variable]<br> 58 | PetscScalar hx,hy,Hx,Hy;<br> | ^~<br>MsFEM_poisson2D_DMDA.c:58:36: warning: variable ‘hy’ set but not used [-Wunused-but-set-variable]<br> 58 | PetscScalar hx,hy,Hx,Hy;<br> | ^~<br>MsFEM_poisson2D_DMDA.c:58:39: warning: variable ‘Hx’ set but not used [-Wunused-but-set-variable]<br> 58 | PetscScalar hx,hy,Hx,Hy;<br> | ^~<br>MsFEM_poisson2D_DMDA.c:58:42: warning: variable ‘Hy’ set but not used [-Wunused-but-set-variable]<br> 58 | PetscScalar hx,hy,Hx,Hy;<br> | ^~<br>MsFEM_poisson2D_DMDA.c:60:58: warning: variable ‘Nondimensionalization’ set but not used [-Wunused-but-set-variable]<br> 60 | PetscInt Compute_finegridsolution,Nondimensionalization;<br> | ^~~~~~~~~~~~~~~~~~~~~<br>MsFEM_poisson2D_DMDA.c:283:54: warning: ‘%d’ directive writing between 1 and 11 bytes into a region of size between 0 and 99<br><br><br>Can you guys help me to fix or solve this warning in order to get the code run smoothly. Please help <br><br clear="all"><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div style="font-size:12.8px">Best regards,</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">Ivan Luthfi Ihwani</div><div style="font-size:12.8px"><br></div></div></div></div></div></div>
</div></blockquote></div><br clear="all"><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div>What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br>-- Norbert Wiener</div><div><br></div><div><a href="https://urldefense.us/v3/__http://www.cse.buffalo.edu/*knepley/__;fg!!G_uCfscf7eWS!awUD7DouA4Cjqw1gYsc2V7I8PVc9ojQXaCMFCcPwBUMEXEYkc9N6wUcfv_EYtLHhF_rlH_rNmpGvlGao1sti$" target="_blank">https://www.cse.buffalo.edu/~knepley/</a><br></div></div></div></div></div></div></div>