1 files changed, 98 insertions, 0 deletions
diff --git a/nss/lib/freebl/mpi/tests/mptest-3.c b/nss/lib/freebl/mpi/tests/mptest-3.c
new file mode 100644
index 0000000..4636a25
--- /dev/null
+++ b/nss/lib/freebl/mpi/tests/mptest-3.c
@@ -0,0 +1,98 @@
+/*
+ * Simple test driver for MPI library
+ *
+ * Test 3: Multiplication, division, and exponentiation test
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <limits.h>
+
+#include <time.h>
+
+#include "mpi.h"
+
+#define  SQRT 1  /* define nonzero to get square-root test  */
+#define  EXPT 0  /* define nonzero to get exponentiate test */
+
+int main(int argc, char *argv[])
+{
+  int      ix;
+  mp_int   a, b, c, d;
+  mp_digit r;
+  mp_err   res;
+
+  if(argc < 3) {
+    fprintf(stderr, "Usage: %s <a> <b>\n", argv[0]);
+    return 1;
+  }
+
+  printf("Test 3: Multiplication and division\n\n");
+  srand(time(NULL));
+
+  mp_init(&a);
+  mp_init(&b);
+
+  mp_read_variable_radix(&a, argv[1], 10);
+  mp_read_variable_radix(&b, argv[2], 10);
+  printf("a = "); mp_print(&a, stdout); fputc('\n', stdout);
+  printf("b = "); mp_print(&b, stdout); fputc('\n', stdout);
+  
+  mp_init(&c);
+  printf("\nc = a * b\n");
+
+  mp_mul(&a, &b, &c);
+  printf("c = "); mp_print(&c, stdout); fputc('\n', stdout);
+
+  printf("\nc = b * 32523\n");
+
+  mp_mul_d(&b, 32523, &c);
+  printf("c = "); mp_print(&c, stdout); fputc('\n', stdout);
+  
+  mp_init(&d);
+  printf("\nc = a / b, d = a mod b\n");
+  
+  mp_div(&a, &b, &c, &d);
+  printf("c = "); mp_print(&c, stdout); fputc('\n', stdout);  
+  printf("d = "); mp_print(&d, stdout); fputc('\n', stdout);  
+
+  ix = rand() % 256;
+  printf("\nc = a / %d, r = a mod %d\n", ix, ix);
+  mp_div_d(&a, (mp_digit)ix, &c, &r);
+  printf("c = "); mp_print(&c, stdout); fputc('\n', stdout);  
+  printf("r = %04X\n", r);
+
+#if EXPT
+  printf("\nc = a ** b\n");
+  mp_expt(&a, &b, &c);
+  printf("c = "); mp_print(&c, stdout); fputc('\n', stdout);  
+#endif
+
+  ix = rand() % 256;
+  printf("\nc = 2^%d\n", ix);
+  mp_2expt(&c, ix);
+  printf("c = "); mp_print(&c, stdout); fputc('\n', stdout);
+
+#if SQRT
+  printf("\nc = sqrt(a)\n");
+  if((res = mp_sqrt(&a, &c)) != MP_OKAY) {
+    printf("mp_sqrt: %s\n", mp_strerror(res));
+  } else {
+    printf("c = "); mp_print(&c, stdout); fputc('\n', stdout);
+    mp_sqr(&c, &c);
+    printf("c^2 = "); mp_print(&c, stdout); fputc('\n', stdout);
+  }
+#endif
+
+  mp_clear(&d);
+  mp_clear(&c);
+  mp_clear(&b);
+  mp_clear(&a);
+
+  return 0;
+}