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21 lines
359 B
C
21 lines
359 B
C
#ifdef __cplusplus
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#include <iostream>
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extern "C"
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#else
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#include <stdio.h>
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#endif
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int scalprod(int n, double* x, double* y, double* res);
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int main()
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{
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double a[5] = { 1., 2., 3., 4., 5. };
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double b[5] = { 2., 3., 4., 5., 6. };
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double rk;
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scalprod(5, a, b, &rk);
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#ifdef __cplusplus
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std::cout << rk << std::endl;
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#else
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printf("%f\n", rk);
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#endif
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}
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