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/envelope.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 test/envelope.c (limited to 'test/envelope.c') diff --git a/test/envelope.c b/test/envelope.c new file mode 100644 index 0000000..26d0edb --- /dev/null +++ b/test/envelope.c @@ -0,0 +1,19 @@ +#include +#include +#include "ts.h" + +bool ts_test_envelope( void ) +{ + fp_t const x[] = { 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 }; + fp_t const * const inp[1] = { x }; + + /* k=3, pct=0.05, SMA: 11, 12, 13, 14, 15, 16, 17, 18 */ + /* Upper = SMA*1.05, Lower = SMA*0.95 */ + fp_t const eu[] = { 11.55, 12.60, 13.65, 14.70, 15.75, 16.80, 17.85, 18.90 }; + fp_t const el[] = { 10.45, 11.40, 12.35, 13.30, 14.25, 15.20, 16.15, 17.10 }; + fp_t const * const exp[2] = { eu, el }; + + typedef struct { uint_t k; fp_t pct; } c_t; + c_t c = { .k = 3, .pct = 0.05 }; + return ts_test(ts_envelope, ts_envelope_offset, inp, exp, sizeof( x ) / sizeof( *x ), (ts_constant_t *)&c, &ts_envelope_p); +} -- cgit v1.3.1