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

1 files changed, 23 insertions, 0 deletions

diff --git a/test/channel.c b/test/channel.c
new file mode 100644
index 0000000..edbed8f
--- /dev/null
+++ b/test/channel.c
@@ -0,0 +1,23 @@
+#include <math.h>
+#include <stddef.h>
+#include "ts.h"
+
+bool ts_test_channel( void )
+{
+    fp_t const o[] = { 10, 12, 11, 14, 13, 15, 16, 14, 17, 18 };
+    fp_t const h[] = { 12, 14, 13, 16, 15, 17, 18, 16, 19, 20 };
+    fp_t const l[] = { 9, 11, 10, 13, 12, 14, 15, 13, 16, 17 };
+    fp_t const cp[] = { 11, 13, 12, 15, 14, 16, 17, 15, 18, 19 };
+
+    fp_t const * const x[] = { o, h, l, cp };
+
+    /* k=3, offset=2, y_n=8 */
+    /* HH3 starting at index 2: max(h[0..2])=14, max(h[1..3])=14, max(h[2..4])=16, max(h[3..5])=16, max(h[4..6])=17, max(h[5..7])=18, max(h[6..8])=18, max(h[7..9])=19 */
+    /* LL3 starting at index 2: min(l[0..2])=10, min(l[1..3])=10, min(l[2..4])=12, min(l[3..5])=12, min(l[4..6])=14, min(l[5..7])=14, min(l[6..8])=13, min(l[7..9])=16 */
+    fp_t const eu[] = { 14, 16, 16, 17, 18, 18, 19, 20 };
+    fp_t const el[] = { 9, 10, 10, 12, 12, 13, 13, 13 };
+    fp_t const * const exp[2] = { eu, el };
+
+    uint_t k = 3;
+    return ts_test(ts_channel, ts_channel_offset, x, exp, sizeof( o ) / sizeof( *o ), (ts_constant_t *)&k, &ts_channel_p);
+}