From 07e18043145f3d91c8ea7ec3ad41b3c905585277 Mon Sep 17 00:00:00 2001
From: Ethan Werner <mail@ethanwerner.com>
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/cosine.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 test/cosine.c

(limited to 'test/cosine.c')

diff --git a/test/cosine.c b/test/cosine.c
new file mode 100644
index 0000000..6dac0cf
--- /dev/null
+++ b/test/cosine.c
@@ -0,0 +1,13 @@
+#include <stddef.h>
+#include "ts.h"
+
+bool ts_test_cosine( void )
+{
+	fp_t const x0[] = { 0, 0.5, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0 };
+	fp_t const e0[] = { 1.000000, 0.877583, 0.540302, 0.070737, -0.416147, -0.801144, -0.989992, -0.936457, -0.653644 };
+
+	fp_t const * const x[1] = { x0 };
+	fp_t const * const e[1] = { e0 };
+
+	return ts_test(ts_cosine, ts_cosine_offset, x, e, sizeof( x0 ) / sizeof( *x0 ), (ts_constant_t *)NULL, &ts_cosine_p);
+}
-- 
cgit v1.3.1