From 6bf4b90c90f15f4ab60833bddf5b5756d1a6b1f6 Mon Sep 17 00:00:00 2001 From: Elizabeth Alexander Hunt Date: Thu, 2 Jul 2026 11:55:17 -0700 Subject: Init --- Homework/math4610/test/lin.t.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Homework/math4610/test/lin.t.c (limited to 'Homework/math4610/test/lin.t.c') diff --git a/Homework/math4610/test/lin.t.c b/Homework/math4610/test/lin.t.c new file mode 100644 index 0000000..6ad1613 --- /dev/null +++ b/Homework/math4610/test/lin.t.c @@ -0,0 +1,20 @@ +#include "lizfcm.test.h" + +UTEST(Lin, least_squares_lin_reg_perfect) { + Array_double *x = InitArray(double, {0, 1, 2, 3, 4}); + Array_double *y = InitArray(double, {1, 2, 3, 4, 5}); + + Line *line = least_squares_lin_reg(x, y); + + EXPECT_EQ(line->m, 1.0); + EXPECT_EQ(line->a, 1.0); +} + +UTEST(Lin, least_squares_lin_reg_estimate) { + Array_double *x = InitArray(double, {1, 2, 3, 4, 5, 6, 7}); + Array_double *y = InitArray(double, {0.5, 3, 2, 3.5, 5, 6, 7.5}); + + Line *line = least_squares_lin_reg(x, y); + + EXPECT_NEAR(line->m, 1.0, 0.2); +} -- cgit v1.3