From 09e6857ae73249bc7433f2971dcf291c70e4c766 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Sun, 20 Oct 2024 17:28:46 +0200 Subject: Fourth commit MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- libtellurian_sea_level_radians.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'libtellurian_sea_level_radians.c') diff --git a/libtellurian_sea_level_radians.c b/libtellurian_sea_level_radians.c index a23b222..e536025 100644 --- a/libtellurian_sea_level_radians.c +++ b/libtellurian_sea_level_radians.c @@ -1,5 +1,6 @@ /* See LICENSE file for copyright and license details. */ #include "common.h" +#ifndef TEST double @@ -15,3 +16,26 @@ libtellurian_sea_level_radians(double latitude) double denom = fma(x, c, y * s); return sqrt(num / denom); } + + +#else + + +int +main(void) +{ + double x = pow(LIBTELLURIAN_EQUATORIAL_RADIUS, 4.0) + pow(LIBTELLURIAN_POLAR_RADIUS, 4.0); + x = sqrt(x / (pow(LIBTELLURIAN_EQUATORIAL_RADIUS, 2.0) + pow(LIBTELLURIAN_POLAR_RADIUS, 2.0))); + ASSERT(libtellurian_sea_level_radians(0) == LIBTELLURIAN_EQUATORIAL_RADIUS); + ASSERT(libtellurian_sea_level_radians(D90) == LIBTELLURIAN_POLAR_RADIUS); + ASSERT(libtellurian_sea_level_radians(D180) == LIBTELLURIAN_EQUATORIAL_RADIUS); + ASSERT(libtellurian_sea_level_radians(-D90) == LIBTELLURIAN_POLAR_RADIUS); + ASSERT(libtellurian_sea_level_radians(D45) < LIBTELLURIAN_EQUATORIAL_RADIUS); + ASSERT(libtellurian_sea_level_radians(D45) > LIBTELLURIAN_POLAR_RADIUS); + ASSERT(libtellurian_sea_level_radians(-D45) == libtellurian_sea_level_radians(D45)); + ASSERT(fabs(libtellurian_sea_level_radians(D45) / x - 1.0) < 1.0e-12); + return 0; +} + + +#endif -- cgit v1.2.3-70-g09d2