25 lines
608 B
C
25 lines
608 B
C
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#ifndef INTEGRATE_H_
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#define INTEGRATE_H_
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#include <stddef.h>
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typedef float (*integrand_f)(float x, void *ctx);
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typedef enum
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{
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INTEG_OK = 0,
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INTEG_ERR_BAD_ARGS = -1,
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INTEG_ERR_N_EVEN_REQUIRED = -2
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} integ_status_t;
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integ_status_t midpoint(integrand_f f, void *ctx, float a, float b, unsigned n,
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float *out);
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integ_status_t trapezoid(integrand_f f, void *ctx, float a, float b, unsigned n,
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float *out);
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integ_status_t simpson(integrand_f f, void *ctx, float a, float b, unsigned n,
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float *out);
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#endif // INTEGRATE_H_
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