Refactor static assertions in astronomy_test.cpp

Updated static assertions for time and length units in astronomy tests.

Author: mpusz

test/static/astronomy_test.cpp

@@ -32,17 +32,17 @@ using namespace mp_units::si::unit_symbols;
 using mp_units::astronomy::unit_symbols::a;
 
 // time units
-static_assert(1. * D == 86'400. * s);
-static_assert(approx_equal(1. * D_sid, 86'164.0905 * s));
-static_assert(approx_equal(1. * a, 365.25 * D));
-static_assert(approx_equal(1. * a, 31'557'600. * s));
+static_assert(1 * D == 86'400 * s);
+static_assert(10'000 * D_sid, 861'640'905 * s));
+static_assert(100 * a, 36525 * D));
+static_assert(1 * a, 31'557'600 * s));
 static_assert(approx_equal(1. * a_trop, 365.242189 * D));
-static_assert(1. * c == 100. * a);
-static_assert(1. * ka == 1000. * a);
+static_assert(1 * c == 100 * a);
+static_assert(1 * ka == 1000 * a);
 
 // length units
-static_assert(1. * LD == 384'399. * km);
-static_assert(1. * ly == 9'460'730'472'580'800. * m);
+static_assert(1 * LD == 384'399 * km);
+static_assert(1 * ly == 9'460'730'472'580'800 * m);
 
 // spectral flux density
 static_assert(approx_equal(1. * Jy, 1e-26 * W / m2 / Hz));