xref: /libCEED/tests/t103-vector.c (revision 0436c2ad4dd95c9ccd89f5346568014600de10a7)
1*0436c2adSjeremylt /// @file
2*0436c2adSjeremylt /// Test setting one vector from array of another vector
3*0436c2adSjeremylt /// \test Test setting one vector from array of another vector
4*0436c2adSjeremylt #include <ceed.h>
5*0436c2adSjeremylt 
6*0436c2adSjeremylt int main(int argc, char **argv) {
7*0436c2adSjeremylt   Ceed ceed;
8*0436c2adSjeremylt   CeedVector X, Y;
9*0436c2adSjeremylt   CeedInt n;
10*0436c2adSjeremylt   CeedScalar a[10];
11*0436c2adSjeremylt   CeedScalar *x;
12*0436c2adSjeremylt   const CeedScalar *y;
13*0436c2adSjeremylt 
14*0436c2adSjeremylt   CeedInit(argv[1], &ceed);
15*0436c2adSjeremylt 
16*0436c2adSjeremylt   n = 10;
17*0436c2adSjeremylt   CeedVectorCreate(ceed, n, &X);
18*0436c2adSjeremylt   CeedVectorCreate(ceed, n, &Y);
19*0436c2adSjeremylt 
20*0436c2adSjeremylt   for (CeedInt i=0; i<n; i++)
21*0436c2adSjeremylt     a[i] = 10 + i;
22*0436c2adSjeremylt   CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, a);
23*0436c2adSjeremylt 
24*0436c2adSjeremylt   CeedVectorGetArray(X, CEED_MEM_HOST, &x);
25*0436c2adSjeremylt   CeedVectorSetArray(Y, CEED_MEM_HOST, CEED_COPY_VALUES, x);
26*0436c2adSjeremylt   CeedVectorRestoreArray(X, &x);
27*0436c2adSjeremylt 
28*0436c2adSjeremylt   CeedVectorGetArrayRead(Y, CEED_MEM_HOST, &y);
29*0436c2adSjeremylt   for (CeedInt i=0; i<n; i++)
30*0436c2adSjeremylt     if (y[i] != 10+i)
31*0436c2adSjeremylt       // LCOV_EXCL_START
32*0436c2adSjeremylt       printf("Error reading array y[%d] = %f",i,(double)y[i]);
33*0436c2adSjeremylt   // LCOV_EXCL_STOP
34*0436c2adSjeremylt   CeedVectorRestoreArrayRead(Y, &y);
35*0436c2adSjeremylt 
36*0436c2adSjeremylt   CeedVectorDestroy(&X);
37*0436c2adSjeremylt   CeedVectorDestroy(&Y);
38*0436c2adSjeremylt   CeedDestroy(&ceed);
39*0436c2adSjeremylt   return 0;
40*0436c2adSjeremylt }
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