66 lines
786 B
C
66 lines
786 B
C
#ifndef INIT_F_H
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#define INIT_F_H
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#include <math.h>
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static int cl = 0;
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static inline int get_call_count (void)
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{
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return cl;
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}
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static inline double f0 (double x)
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{
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cl++;
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(void)x;
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return 1;
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}
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static inline double f1 (double x)
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{
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cl++;
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return x + 1;
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}
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static inline double f2 (double x)
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{
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double x_2 = x * x;
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cl++;
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return x_2 + x + 1;
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}
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static inline double f3 (double x)
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{
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double x_2 = x * x;
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double x_3 = x_2 * x;
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cl++;
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return x_3 + x_2 + x + 1;
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}
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static inline double f4 (double x)
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{
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double x_2 = x * x;
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double x_3 = x_2 * x;
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double x_4 = x_3 * x;
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cl++;
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return x_4 + x_3 + x_2 + x + 1;
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}
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static inline double f5 (double x)
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{
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cl++;
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return exp(-x);
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}
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static inline double f6 (double x)
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{
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double x_2 = x * x;
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cl++;
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return 1 / (25 * x_2 + 1);
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}
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#endif
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