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/ease_of_movement.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 test/ease_of_movement.c (limited to 'test/ease_of_movement.c') diff --git a/test/ease_of_movement.c b/test/ease_of_movement.c new file mode 100644 index 0000000..fbe2e35 --- /dev/null +++ b/test/ease_of_movement.c @@ -0,0 +1,43 @@ +#include +#include "ts.h" + +bool ts_test_ease_of_movement( void ) +{ + uint_t k = 3; + + fp_t const o[] = { 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 }; + fp_t const h[] = { 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 }; + fp_t const l[] = { 8, 9, 10, 11, 12, 13, 14, 15, 16, 17 }; + fp_t const c[] = { 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 }; + fp_t const v[] = { 100, 200, 300, 400, 500, 600, 700, 800, 900, 1000 }; + + fp_t const * const x[] = { o, h, l, c, v }; + + fp_t eom[10] = { 0 }; + for( uint_t i = 1; i < 10; ++i ) + { + fp_t hl = h[i] - l[i]; + if( hl == 0 ) continue; + fp_t br = v[i] / hl; + if( br == 0 ) continue; + fp_t cur_mid = ( h[i] + l[i] ) / 2.0; + fp_t prev_mid = ( h[i - 1] + l[i - 1] ) / 2.0; + eom[i] = ( cur_mid - prev_mid ) / br; + } + + fp_t e[7] = { 0 }; + { + fp_t sum = eom[1] + eom[2] + eom[3]; + e[0] = sum / (fp_t)k; + for( uint_t i = k + 1; i < 10; ++i ) + { + sum = sum - eom[i - k] + eom[i]; + e[i - k] = sum / (fp_t)k; + } + } + + fp_t const * const e_arr[1] = { e }; + uint_t c_val = k; + + return ts_test(ts_ease_of_movement, ts_ease_of_movement_offset, x, e_arr, 10, (ts_constant_t *)&c_val, &ts_ease_of_movement_p); +} -- cgit v1.3.1