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/reversal.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 test/reversal.c (limited to 'test/reversal.c') diff --git a/test/reversal.c b/test/reversal.c new file mode 100644 index 0000000..ccc8021 --- /dev/null +++ b/test/reversal.c @@ -0,0 +1,19 @@ +#include +#include +#include "ts.h" + +bool ts_test_reversal( void ) +{ + /* close: 10, 12, 11, 13, 10, 12 */ + /* i=2: c=11, prev=12, prev2=10. 11<12 && 12>10 => -1 (top reversal) */ + /* i=3: c=13, prev=11, prev2=12. 13>11 && 11<12 => +1 (bottom reversal) */ + /* i=4: c=10, prev=13, prev2=11. 10<13 && 13>11 => -1 (top reversal) */ + /* i=5: c=12, prev=10, prev2=13. 12>10 && 10<13 => +1 (bottom reversal) */ + fp_t const x[] = { 10, 12, 11, 13, 10, 12 }; + + fp_t const * const inp[1] = { x }; + fp_t const e[] = { -1, 1, -1, 1 }; + fp_t const * const exp[1] = { e }; + + return ts_test(ts_reversal, ts_reversal_offset, inp, exp, sizeof( x ) / sizeof( *x ), (ts_constant_t *)NULL, &ts_reversal_p); +} -- cgit v1.3.1