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[WIP] add tests for 3x3 and 4x4

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NADAL Jean-Baptiste
2024-02-02 18:29:08 +01:00
parent 47400a4d14
commit 411b1191b3
1 changed files with 37 additions and 4 deletions
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41
tests/03_matrix.cpp
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@@ -305,8 +305,41 @@ TEST_CASE("[Matrix] Calculating a cofactor of a 3x3 matrix", "[Matrix]")
{6, -1, 5} {6, -1, 5}
}; };
REQUIRE(a.minor(0, 0) == -12.0); REQUIRE(a.minor(0, 0) == -12);
REQUIRE(a.cofactor(0, 0) == -12.0); REQUIRE(a.cofactor(0, 0) == -12);
REQUIRE(a.minor(1, 0) == 25.0); REQUIRE(a.minor(1, 0) == 25);
REQUIRE(a.cofactor(1, 0) == -25.0); REQUIRE(a.cofactor(1, 0) == -25);
}
/* ------------------------------------------------------------------------- */
TEST_CASE("[Matrix] Calculating the determinant of a 3x3 matrix", "[Matrix]")
{
Matrix a = {
{ 1, 2, 6},
{-5, 8, -4},
{ 2, 6, 4}
};
REQUIRE(a.cofactor(0, 0) == 56);
REQUIRE(a.cofactor(0, 1) == 12);
REQUIRE(a.cofactor(0, 2) == -46);
REQUIRE(a.determinant() == -196);
}
/* ------------------------------------------------------------------------- */
TEST_CASE("[Matrix] Calculating the determinant of a 4x4 matrix", "[Matrix]")
{
Matrix a = {
{-2, -8, 3, 5},
{-3, 1, 7, 3},
{-6, 7, 7, -9}
};
REQUIRE(a.cofactor(0, 0) == 690);
REQUIRE(a.cofactor(0, 1) == 447);
REQUIRE(a.cofactor(0, 2) == 210);
REQUIRE(a.cofactor(0, 3) == 51);
REQUIRE(a.determinant() == -4071);
} }