[PATCH v3] tests for fenv.h functions

[Eshan dhawan]

---
 testsuites/psxtests/psxfenv01/init.c | 72 ++++++++++++++++++++++++++--
 1 file changed, 68 insertions(+), 4 deletions(-)

diff --git a/testsuites/psxtests/psxfenv01/init.c 
b/testsuites/psxtests/psxfenv01/init.c
index cdb0fa596e..40c29e4fac 100644
--- a/testsuites/psxtests/psxfenv01/init.c
+++ b/testsuites/psxtests/psxfenv01/init.c
@@ -46,6 +46,10 @@
 #include <string.h>
 #include <rtems/test.h>
 #include <tmacros.h>
+#include <assert.h>
+#include <float.h>
+
+
 
 const char rtems_test_name[] = "PSXFENV 01";
 
@@ -69,20 +73,23 @@ rtems_task Init(rtems_task_argument ignored)
   #ifdef FE_ALL_EXCEPT /* floating-point exceptions */
     puts( "fesetenv(FE_DFL_ENV)." );
     r = fesetenv(FE_DFL_ENV);
-    if (r)
+    if (r){
       printf("fesetenv ==> %d\n", r);
+    }
     rtems_test_assert( r == 0 );
 
     /* Test 'feclearexcept()' and 'fetestexcept()' in one go. */
     puts( "feclearexcept(FE_ALL_EXCEPT)." );
     r = feclearexcept(FE_ALL_EXCEPT);
-    if (r)
+    if (r){
       printf("feclearexcept ==> 0x%x\n", r);
+    }    
     rtems_test_assert( r == 0 );
 
     r = fetestexcept( FE_ALL_EXCEPT );
-    if (r)
+    if (r){
       printf("fetestexcept ==> 0x%x\n", r);
+    }
     rtems_test_assert( r == 0 );
 
     /* Test 'FE_DIVBYZERO' */
@@ -91,8 +98,63 @@ rtems_task Init(rtems_task_argument ignored)
     b = 1.0;
     c = b/a;
     (void) c;
+    /* Test 'fegetexceptflag()' and 'fesetexceptflag()' */
+    r = fegetexceptflag(&excepts,FE_ALL_EXCEPT);
+    if(r){
+      printf("fegetexceptflag ==> 0x%x\n", r);
+    }
+    rtems_test_assert(r == 0);
+
+    r = fesetexceptflag(&excepts, FE_ALL_EXCEPT);
+    if(r){
+      printf("fesetexceptflag ==> 0x%x\n", r);
+    }
+    rtems_test_assert(r == 0);
+
+
+    /* Test for 'fegetround()' and 'fesetround()' */
+    /* They have four main macros to be tested seperated by ifdef*/
+    /* Since not all architectures support them */
+    /* The test case gets and sets the rounding directions */
+#ifdef FE_TONEAREST
+    r = fegetround();
+    if(r){
+      printf("fegetround ==> 0x%x\n", r);
+    }    
+    rtems_test_assert(r == FE_TONEAREST) ;   
+#endif
+#ifdef FE_TOWARDZERO    
+  r = fesetround(FE_TOWARDZERO);
+  if(r){
+      printf("fesetround ==> 0x%x\n", r);     
+    } 
+  rtems_test_assert(r == 0) ;
+  rtems_test_assert(fegetround() == FE_TOWARDZERO) ;
+#endif
+#ifdef FE_DOWNWARD
+  r = fesetround(FE_DOWNWARD);
+  if(r){
+      printf("fesetround ==> 0x%x\n", r);     
+    } 
+  rtems_test_assert(r == 0) ;
+  rtems_test_assert(fegetround() == FE_DOWNWARD) ;
+#endif
+#ifdef FE_UPWARD
+  r = fesetround(FE_UPWARD);
+  if(r){
+      printf("fesetround ==> 0x%x\n", r);     
+    }   
+  rtems_test_assert(r == 0) ;
+  rtems_test_assert(fegetround() == FE_UPWARD) ;
+#endif
+#ifdef FE_TONEAREST
+  r = fesetround(FE_TONEAREST);
+  if(r){
+      printf("fesetround ==> 0x%x\n", r);
+    }     
+  rtems_test_assert(r == 0) ;
+#endif
 
-    fegetexceptflag(&excepts,FE_ALL_EXCEPT);
 
 #ifdef FE_DIVBYZERO
     r = feraiseexcept(FE_DIVBYZERO);
@@ -125,3 +187,5 @@ rtems_task Init(rtems_task_argument ignored)
 #define CONFIGURE_INIT
 #include <rtems/confdefs.h>
 /* end of file */
+
+
-- 
2.17.1

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