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/price_rate_of_change.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 test/price_rate_of_change.c (limited to 'test/price_rate_of_change.c') diff --git a/test/price_rate_of_change.c b/test/price_rate_of_change.c new file mode 100644 index 0000000..ec3eb9c --- /dev/null +++ b/test/price_rate_of_change.c @@ -0,0 +1,27 @@ +#include +#include +#include "ts.h" + +bool ts_test_price_rate_of_change( void ) +{ + fp_t const x[] = { 100, 110, 120, 130, 140, 150, 160, 170, 180, 190 }; + + fp_t const * const inp[1] = { x }; + + /* k=3 */ + /* PROC[3] = (130-100)/100*100 = 30 */ + /* PROC[4] = (140-110)/110*100 = 27.2727 */ + /* PROC[5] = (150-120)/120*100 = 25 */ + /* PROC[6] = (160-130)/130*100 = 23.0769 */ + /* PROC[7] = (170-140)/140*100 = 21.4286 */ + /* PROC[8] = (180-150)/150*100 = 20 */ + /* PROC[9] = (190-160)/160*100 = 18.75 */ + + fp_t e[] = { 30.0, 27.272727272727273, 25.0, 23.076923076923077, 21.428571428571427, 20.0, 18.75 }; + + fp_t const * const exp[1] = { e }; + + uint_t c_val = 3; + + return ts_test(ts_price_rate_of_change, ts_price_rate_of_change_offset, inp, exp, sizeof( x ) / sizeof( *x ), (ts_constant_t *)&c_val, &ts_price_rate_of_change_p); +} -- cgit v1.3.1