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/* See LICENSE file for copyright and license details. */
#include "common.h"
#ifndef TEST
double
libtellurian_effective_gravity(double gravity, double latitude)
{
latitude = radians(latitude);
return libtellurian_effective_gravity_radians(gravity, latitude);
}
#else
static int
approx(double a, double b)
{
return fabs(a - b) <= 1e-8 * (0.5 * (a + b));
}
int
main(void)
{
ASSERT(libtellurian_effective_gravity(9.1234, 0) == libtellurian_effective_gravity_radians(9.1234, 0));
ASSERT(approx(libtellurian_effective_gravity(9.1234, 180), libtellurian_effective_gravity_radians(9.1234, 0)));
ASSERT(approx(libtellurian_effective_gravity(9.1234, 360), libtellurian_effective_gravity_radians(9.1234, 0)));
ASSERT(approx(libtellurian_effective_gravity(9.1234, 90), libtellurian_effective_gravity(9.1234, -90)));
ASSERT(approx(libtellurian_effective_gravity(9.1234, 90), libtellurian_effective_gravity(9.1234, 270)));
ASSERT(approx(libtellurian_effective_gravity(9.1234, 45), libtellurian_effective_gravity(9.1234, -45)));
ASSERT(approx(libtellurian_effective_gravity(9.1234, 135), libtellurian_effective_gravity(9.1234, 45)));
ASSERT(approx(libtellurian_effective_gravity(9.1234, -135), libtellurian_effective_gravity(9.1234, 135)));
ASSERT(libtellurian_effective_gravity(9.1234, 90) == libtellurian_effective_gravity_radians(9.1234, D90));
ASSERT(libtellurian_effective_gravity(9.1234, 45) == libtellurian_effective_gravity_radians(9.1234, D45));
ASSERT(libtellurian_effective_gravity(9.1234, 30) == libtellurian_effective_gravity_radians(9.1234, D30));
return 0;
}
#endif
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