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, 73 insertions, 0 deletions

diff --git a/test/main.c b/test/main.c
new file mode 100644
index 0000000..2854d1c
--- /dev/null
+++ b/test/main.c
@@ -0,0 +1,73 @@
+#define _POSIX_C_SOURCE 200809L
+#include <errno.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include "ts.h"
+
+#include "main_generated.c"
+
+int main(void)
+{
+    struct sigaction sa = {0};
+    sa.sa_handler = SIG_IGN;
+    sigaction(SIGALRM, &sa, NULL);
+
+    size_t passed = 0;
+    size_t failed = 0;
+    size_t crashed = 0;
+    size_t skipped = 0;
+
+    for (size_t i = 0; i < NUM_TESTS; i++)
+    {
+        pid_t pid = fork();
+        if (pid < 0) {
+            fprintf(stderr, "  SKIP %s (fork failed: %s)\n", tests[i].name, strerror(errno));
+            skipped++;
+            continue;
+        }
+        if (pid == 0) {
+            bool ok = tests[i].func();
+            _exit(ok ? 0 : 1);
+        }
+        int status = 0;
+        alarm(30);
+        pid_t result = waitpid(pid, &status, 0);
+        alarm(0);
+        if (result < 0) {
+            if (errno == EINTR) {
+                kill(pid, SIGKILL);
+                waitpid(pid, &status, 0);
+                fprintf(stderr, "  CRASH %s (timeout)\n", tests[i].name);
+                crashed++;
+            } else {
+                fprintf(stderr, "  CRASH %s (waitpid failed: %s)\n", tests[i].name, strerror(errno));
+                crashed++;
+            }
+            continue;
+        }
+        if (WIFEXITED(status) && WEXITSTATUS(status) == 0) {
+            printf("  PASS %s\n", tests[i].name);
+            passed++;
+        } else if (WIFEXITED(status)) {
+            fprintf(stderr, "  FAIL %s\n", tests[i].name);
+            failed++;
+        } else if (WIFSIGNALED(status)) {
+            fprintf(stderr, "  CRASH %s (signal %d)\n", tests[i].name, WTERMSIG(status));
+            crashed++;
+        } else {
+            fprintf(stderr, "  CRASH %s\n", tests[i].name);
+            crashed++;
+        }
+    }
+
+    printf("\n--- %zu tests: %zu passed, %zu failed, %zu crashed, %zu skipped ---\n",
+            NUM_TESTS, passed, failed, crashed, skipped);
+
+    return (failed > 0 || crashed > 0) ? 1 : 0;
+}