26 lines
343 B
C
26 lines
343 B
C
#include "solve.h"
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#include <math.h>
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#include <float.h>
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double t4_solve (
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double (*f) (double),
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double a, double b,
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int n
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) {
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const double h = (b - a) / n;
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double x = a;
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double sum = (f(a) + f(b)) * 0.5;
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if (h < NUM_FPE)
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return DBL_MAX;
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for (int i = 1; i < (n - 1); ++i)
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{
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x += h;
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sum += f(x);
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}
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return h * sum;
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}
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