Synopsis

#include <matheval.h>

double evaluator_evaluate_x_y (void *evaluator, double x, double y);

Description

Convenience function to evaluate function for given variables “x” and “y” values. Function is equivalent to following:

char *names[] = { "x", "y" };
double values[] = { x, y };

evaluator_evaluate (evaluator, sizeof (names) / sizeof(names[0]),
			     names, values);

See evaluator_evaluate for further information.

Return value

Value of function for given values of variables “x” and “y”.

See also

evaluator_create, evaluator_destroy, evaluator_evaluate