add test for modf negatives

markandrewj · Aug 20, 2014 · 4805247 · 4805247
1 parent 392e7ff
commit 4805247
Show file tree

Hide file tree

Showing 2 changed files with 15 additions and 1 deletion.
diff --git a/tests/core/test_rounding.in b/tests/core/test_rounding.in
@@ -22,5 +22,17 @@ int main() {
   printf("%ld ", lrint(-1.5));
   printf("%ld ", lrint(-2.5));
 
+  printf("\n");
+
+  double param, fractpart, intpart;
+
+  param = 3.14159265;
+  fractpart = modf (param , &intpart);
+  printf ("%f = %f + %f \n", param, intpart, fractpart);
+
+  param = -3.14159265;
+  fractpart = modf (param , &intpart);
+  printf ("%f = %f + %f \n", param, intpart, fractpart);
+
   return 0;
 }
diff --git a/tests/core/test_rounding.out b/tests/core/test_rounding.out
@@ -1 +1,3 @@
-1.0 2.0 -1.0 -2.0 2.0 3.0 -2.0 -3.0 1 2 -1 -2 2 2 -2 -2
+1.0 2.0 -1.0 -2.0 2.0 3.0 -2.0 -3.0 1 2 -1 -2 2 2 -2 -2
+3.141593 = 3.000000 + 0.141593 
+-3.141593 = -3.000000 + -0.141593