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/di_minus.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 test/di_minus.c (limited to 'test/di_minus.c') diff --git a/test/di_minus.c b/test/di_minus.c new file mode 100644 index 0000000..35d2545 --- /dev/null +++ b/test/di_minus.c @@ -0,0 +1,20 @@ +#include +#include +#include "ts.h" + +bool ts_test_di_minus( void ) +{ + fp_t const o[] = { 10, 9, 8, 7, 6, 5, 4, 3, 2, 1 }; + fp_t const h[] = { 12, 11, 10, 9, 8, 7, 6, 5, 4, 3 }; + fp_t const l[] = { 8, 6, 4, 2, 0, -2, -4, -6, -8,-10 }; + fp_t const c[] = { 11, 10, 9, 8, 7, 6, 5, 4, 3, 2 }; + + fp_t const * const x[] = { o, h, l, c }; + + /* k=3, -DM=2 each period, +DM=0 => -DI = 100*EMA(-DM)/(EMA(-DM)+EMA(+DM)) */ + fp_t const e[] = { 100., 100., 100., 100., 100., 100., 100. }; + fp_t const * const exp[1] = { e }; + + uint_t k = 3; + return ts_test(ts_di_minus, ts_di_minus_offset, x, exp, sizeof( o ) / sizeof( *o ), (ts_constant_t *)&k, &ts_di_minus_p); +} -- cgit v1.3.1