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feat: atan2 2-argument arctangent

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This commit is contained in:
Nebojsa Cvetkovic
2024-01-20 18:21:56 +00:00
parent 6e8a21ab65
commit 057d659c1f
4 changed files with 78 additions and 1 deletions
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36
test/runtime/math_test.cpp
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@@ -375,6 +375,22 @@ TEST_CASE("SI inverse trigonometric functions", "[inv trig][si]")
}
}
TEST_CASE("SI atan2 functions", "[atan2][si]")
{
SECTION("atan2 should work on the same quantities")
{
REQUIRE_THAT(si::atan2(-1. * isq::length[km], 1. * isq::length[km]), AlmostEquals(-45. * deg));
REQUIRE_THAT(si::atan2(0. * isq::length[km], 1. * isq::length[km]), AlmostEquals(0. * deg));
REQUIRE_THAT(si::atan2(1. * isq::length[km], 1. * isq::length[km]), AlmostEquals(45. * deg));
}
SECTION("atan2 should work with different units of the same dimension")
{
REQUIRE_THAT(si::atan2(-1. * isq::length[km], 1000. * isq::length[m]), AlmostEquals(-45. * deg));
REQUIRE_THAT(si::atan2(0. * isq::length[km], 1000. * isq::length[m]), AlmostEquals(0. * deg));
REQUIRE_THAT(si::atan2(1. * isq::length[km], 1000. * isq::length[m]), AlmostEquals(45. * deg));
}
}
TEST_CASE("Angle trigonometric functions", "[trig][angle]")
{
@@ -449,3 +465,23 @@ TEST_CASE("Angle inverse trigonometric functions", "[inv trig][angle]")
REQUIRE_THAT(atan(1 * one), AlmostEquals(45. * angle[deg]));
}
}
TEST_CASE("Angle atan2 functions", "[atan2][angle]")
{
using namespace mp_units::angular;
using namespace mp_units::angular::unit_symbols;
using mp_units::angular::unit_symbols::deg;
SECTION("atan2 should work on the same quantities")
{
REQUIRE_THAT(atan2(-1. * isq::length[km], 1. * isq::length[km]), AlmostEquals(-45. * angle[deg]));
REQUIRE_THAT(atan2(0. * isq::length[km], 1. * isq::length[km]), AlmostEquals(0. * angle[deg]));
REQUIRE_THAT(atan2(1. * isq::length[km], 1. * isq::length[km]), AlmostEquals(45. * angle[deg]));
}
SECTION("atan2 should work with different units of the same dimension")
{
REQUIRE_THAT(atan2(-1. * isq::length[km], 1000. * isq::length[m]), AlmostEquals(-45. * angle[deg]));
REQUIRE_THAT(atan2(0. * isq::length[km], 1000. * isq::length[m]), AlmostEquals(0. * angle[deg]));
REQUIRE_THAT(atan2(1. * isq::length[km], 1000. * isq::length[m]), AlmostEquals(45. * angle[deg]));
}
}