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, 103 insertions, 0 deletions

diff --git a/scripts/gen_registry.py b/scripts/gen_registry.py
new file mode 100644
index 0000000..e80759e
--- /dev/null
+++ b/scripts/gen_registry.py
@@ -0,0 +1,103 @@
+#!/usr/bin/env python3
+"""Generate ts_registry_generated.c with registry array and getter functions."""
+
+import importlib.util
+import os
+import re
+import sys
+
+_spec = importlib.util.spec_from_file_location(
+    "ts_parser",
+    os.path.join(os.path.dirname(os.path.abspath(__file__)), "ts_parser.py"),
+)
+if _spec and _spec.loader:
+    ts_parser = importlib.util.module_from_spec(_spec)
+    _spec.loader.exec_module(ts_parser)
+    parse_all = ts_parser.parse_all
+else:
+    print("Error: could not load ts_parser", file=sys.stderr)
+    sys.exit(1)
+
+ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+OUT = os.path.join(ROOT, "lib", "ts_registry_generated.c")
+
+
+def _resolve_params_size(params_size, name):
+    """Resolve params_size to a compile-time constant.
+
+    If params_size is '0', keep it. If it's sizeof(ts_X_params_t), check
+    if the struct is visible in ts.h. If not, compute size from definition.
+    """
+    if params_size == "0":
+        return "0"
+
+    header_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "..", "ts.h")
+    try:
+        with open(header_path, encoding="utf-8") as hf:
+            hcontent = hf.read()
+        if re.search(r"ts_" + re.escape(name) + r"_params_t", hcontent):
+            return params_size
+    except FileNotFoundError:
+        pass
+    # Struct not in header, compute size from definition
+    import glob
+
+    lib_dir = os.path.join(ROOT, "lib")
+    for cfile in glob.glob(os.path.join(lib_dir, "*.c")):
+        try:
+            with open(cfile, encoding="utf-8") as f:
+                content = f.read()
+        except OSError:
+            continue
+        struct_m = re.search(
+            r"typedef\s+struct\s*\{([^}]+)\}\s+ts_" + re.escape(name) + r"_params_t",
+            content,
+        )
+        if struct_m:
+            body = struct_m.group(1)
+            n_fp = len(re.findall(r"fp_t\s+", body))
+            n_uint = len(re.findall(r"uint_t\s+", body))
+            return str(n_fp * 8 + n_uint * 8)
+    return "0"
+
+
+def main():
+    funcs = parse_all(detect_x_access=False)
+
+    if not funcs:
+        print("Warning: no ts_parameter declarations found.", file=sys.stderr)
+        sys.exit(1)
+
+    with open(OUT, "w", encoding="utf-8") as f:
+        f.write("/* Auto-generated function registry. Do not edit. */\n\n")
+        f.write('#include "ts.h"\n\n')
+        f.write(f"static const uint_t _ts_fn_count = {len(funcs)};\n\n")
+        f.write("static const ts_fn_info_t _ts_registry[] = {\n")
+        for fm in funcs:
+            ps = _resolve_params_size(fm.params_size, fm.name)
+            f.write(
+                f"    {{ .n_inputs = {fm.x_n}, .n_outputs = {fm.y_n}, "
+                f".n_constants = {fm.c_n}, .params_size = {ps} }},\n"
+            )
+        f.write("};\n\n")
+        f.write("static const char * const _ts_fn_names[] = {\n")
+        for fm in funcs:
+            f.write(f'    "{fm.name}",\n')
+        f.write("};\n\n")
+
+        # Getter functions
+        f.write("uint_t ts_fn_count( void ) { return _ts_fn_count; }\n\n")
+        f.write("const ts_fn_info_t* ts_registry_get( uint_t i )\n")
+        f.write("{\n")
+        f.write("    return i < _ts_fn_count ? &_ts_registry[i] : NULL;\n")
+        f.write("}\n\n")
+        f.write("const char* ts_fn_name_get( uint_t i )\n")
+        f.write("{\n")
+        f.write("    return i < _ts_fn_count ? _ts_fn_names[i] : NULL;\n")
+        f.write("}\n")
+
+    print(f"Generated {len(funcs)} entries -> {OUT}")
+
+
+if __name__ == "__main__":
+    main()