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, 13 insertions, 0 deletions

diff --git a/test/nan_fn.c b/test/nan_fn.c
new file mode 100644
index 0000000..e0f29ec
--- /dev/null
+++ b/test/nan_fn.c
@@ -0,0 +1,13 @@
+#include <stddef.h>
+#include "ts.h"
+
+bool ts_test_nan_fn( void )
+{
+	fp_t const x0[] = { 1, 2, 3 };
+	fp_t out[3];
+	ts_nan_fn( (fp_t*[]){out}, 1, (fp_t const *[]){x0}, 1, 3, NULL );
+	/* Verify all outputs are NaN */
+	for ( uint_t i = 0; i < 3; ++i )
+	    if ( out[i] == out[i] ) return false; /* not NaN */
+	return true;
+}