29 lines
485 B
C
29 lines
485 B
C
#include "solve.h"
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#include "math.h"
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#define eps 1e-9
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int compare(const double a, const double b)
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{
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if (a - b > eps) return 1;
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else if (b - a > eps) return -1;
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return 0;
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}
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double t4_solve(const double *A, const double *X, double *B, int m, int n)
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{
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double maximum = 0, cur;
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int i, j;
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for (i = 0; i < n; i++)
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{
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cur = -B[i];
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for (j = 0; j < m; j++)
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cur += A[i * m + j] * X[j];
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cur = fabs(cur);
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if (compare(cur, maximum) == 1) maximum = cur;
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}
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return maximum;
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}
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