From 07e18043145f3d91c8ea7ec3ad41b3c905585277 Mon Sep 17 00:00:00 2001 From: Ethan Werner Date: Wed, 1 Jul 2026 09:42:39 +0400 Subject: initial commit: ts time series analysis library v0.1.0 - 354 financial and mathematical time-series indicators - Uniform C11 API with consistent function signatures - 349 passing tests with -Werror - Static and shared library builds - pkg-config integration - Python bindings - Fuzzing and sanitizer support - Security hardening flags --- test/center_of_gravity.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 test/center_of_gravity.c (limited to 'test/center_of_gravity.c') diff --git a/test/center_of_gravity.c b/test/center_of_gravity.c new file mode 100644 index 0000000..ee67df3 --- /dev/null +++ b/test/center_of_gravity.c @@ -0,0 +1,17 @@ +#include +#include +#include "ts.h" + +bool ts_test_center_of_gravity( void ) +{ + fp_t const x[] = { 1, 2, 3, 4, 5, 6, 7, 8 }; + fp_t const * const inp[1] = { x }; + + /* k=5: windows [1,2,3,4,5], [2,3,4,5,6], [3,4,5,6,7], [4,5,6,7,8] + * COG = 1 - 2*SUM(ix)/((k+1)*SUM(x)) */ + fp_t const e[] = { -0.22222, -0.16667, -0.13333, -0.11111 }; + fp_t const * const exp[1] = { e }; + + uint_t k = 5; + return ts_test(ts_center_of_gravity, ts_center_of_gravity_offset, inp, exp, sizeof( x ) / sizeof( *x ), (ts_constant_t *)&k, &ts_center_of_gravity_p); +} -- cgit v1.3.1