xref: /libCEED/tests/t103-vector.c (revision 2b730f8b5a9c809740a0b3b302db43a719c636b1)
10436c2adSjeremylt /// @file
20436c2adSjeremylt /// Test setting one vector from array of another vector
30436c2adSjeremylt /// \test Test setting one vector from array of another vector
40436c2adSjeremylt #include <ceed.h>
50436c2adSjeremylt 
60436c2adSjeremylt int main(int argc, char **argv) {
70436c2adSjeremylt   Ceed              ceed;
80436c2adSjeremylt   CeedVector        X, Y;
90436c2adSjeremylt   CeedInt           n;
100436c2adSjeremylt   CeedScalar        a[10];
110436c2adSjeremylt   CeedScalar       *x;
120436c2adSjeremylt   const CeedScalar *y;
130436c2adSjeremylt 
140436c2adSjeremylt   CeedInit(argv[1], &ceed);
150436c2adSjeremylt 
160436c2adSjeremylt   n = 10;
170436c2adSjeremylt   CeedVectorCreate(ceed, n, &X);
180436c2adSjeremylt   CeedVectorCreate(ceed, n, &Y);
190436c2adSjeremylt 
20*2b730f8bSJeremy L Thompson   for (CeedInt i = 0; i < n; i++) a[i] = 10 + i;
210436c2adSjeremylt   CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, a);
220436c2adSjeremylt 
230436c2adSjeremylt   CeedVectorGetArray(X, CEED_MEM_HOST, &x);
240436c2adSjeremylt   CeedVectorSetArray(Y, CEED_MEM_HOST, CEED_COPY_VALUES, x);
250436c2adSjeremylt   CeedVectorRestoreArray(X, &x);
260436c2adSjeremylt 
270436c2adSjeremylt   CeedVectorGetArrayRead(Y, CEED_MEM_HOST, &y);
28*2b730f8bSJeremy L Thompson   for (CeedInt i = 0; i < n; i++) {
29*2b730f8bSJeremy L Thompson     if (y[i] != 10 + i) printf("Error reading array y[%" CeedInt_FMT "] = %f\n", i, (CeedScalar)y[i]);
30*2b730f8bSJeremy L Thompson   }
310436c2adSjeremylt   CeedVectorRestoreArrayRead(Y, &y);
320436c2adSjeremylt 
330436c2adSjeremylt   CeedVectorDestroy(&X);
340436c2adSjeremylt   CeedVectorDestroy(&Y);
350436c2adSjeremylt   CeedDestroy(&ceed);
360436c2adSjeremylt   return 0;
370436c2adSjeremylt }
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