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| author | Mattias Andrée <m@maandree.se> | 2024-10-22 22:22:41 +0200 |
|---|---|---|
| committer | Mattias Andrée <m@maandree.se> | 2024-10-22 22:22:41 +0200 |
| commit | bb5de3aa2ee118df78f0347cffd4e58f846dc1fb (patch) | |
| tree | b313a20b79d67f35a5e4e05bc9106b22dc17f451 /libtellurian_sea_level_radians.c | |
| parent | ... (diff) | |
| download | libtellurian-bb5de3aa2ee118df78f0347cffd4e58f846dc1fb.tar.gz libtellurian-bb5de3aa2ee118df78f0347cffd4e58f846dc1fb.tar.bz2 libtellurian-bb5de3aa2ee118df78f0347cffd4e58f846dc1fb.tar.xz | |
Signed-off-by: Mattias Andrée <m@maandree.se>
Diffstat (limited to 'libtellurian_sea_level_radians.c')
| -rw-r--r-- | libtellurian_sea_level_radians.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/libtellurian_sea_level_radians.c b/libtellurian_sea_level_radians.c index e536025..ec03985 100644 --- a/libtellurian_sea_level_radians.c +++ b/libtellurian_sea_level_radians.c @@ -6,15 +6,9 @@ double libtellurian_sea_level_radians(double latitude) { - double a = LIBTELLURIAN_EQUATORIAL_RADIUS; - double b = LIBTELLURIAN_POLAR_RADIUS; - double c = cos(latitude); - double s = sin(latitude); - double x = a * c * a; - double y = b * s * b; - double num = fma(x, x, y * y); - double denom = fma(x, c, y * s); - return sqrt(num / denom); + double x = cos(latitude) * LIBTELLURIAN_EQUATORIAL_RADIUS; + double y = sin(latitude) * LIBTELLURIAN_POLAR_RADIUS; + return sqrt(fma(x, x, y * y)); } |