1 files changed, 56 insertions, 0 deletions
diff --git a/NW/support/params.h b/NW/support/params.h
new file mode 100644
index 0000000..8874248
--- /dev/null
+++ b/NW/support/params.h
@@ -0,0 +1,56 @@
+#ifndef _PARAMS_H_
+#define _PARAMS_H_
+
+#include "common.h"
+
+typedef struct Params {
+    unsigned int   max_rows;
+    unsigned int   penalty;
+    unsigned int   n_warmup;
+    unsigned int   n_reps;
+} Params;
+
+static void usage() {
+    fprintf(stderr,
+            "\nUsage:  ./program [options]"
+            "\n"
+            "\nGeneral options:"
+            "\n    -h        help"
+            "\n    -w <W>    # of untimed warmup iterations (default=1)"
+            "\n    -e <E>    # of timed repetition iterations (default=3)"
+            "\n"
+            "\nBenchmark-specific options:"
+            "\n    -n <N>    size of sequence: length of the sequence"
+            "\n    -p <P>    penalty: a positive integer"
+            "\n");
+}
+
+struct Params input_params(int argc, char **argv) {
+    struct Params p;
+    p.n_warmup      = 1;
+    p.n_reps        = 3;
+    p.max_rows      = 256;
+    p.penalty       = 1;
+
+    int opt;
+    while((opt = getopt(argc, argv, "hw:e:n:p:")) >= 0) {
+        switch(opt) {
+            case 'h':
+                usage();
+                exit(0);
+                break;
+            case 'w': p.n_warmup      = atoi(optarg); break;
+            case 'e': p.n_reps        = atoi(optarg); break;
+            case 'n': p.max_rows      = atoi(optarg); break;
+            case 'p': p.penalty       = atoi(optarg); break;
+            default:
+                      fprintf(stderr, "\nUnrecognized option!\n");
+                      usage();
+                      exit(0);
+        }
+    }
+    assert(NR_DPUS > 0 && "Invalid # of dpus!");
+
+    return p;
+}
+#endif