remove accidentally committed core, add festenv, fegetenv test

diff --git a/src/math/core b/src/math/core
deleted file mode 100644 (file)
index b59d43f..0000000
Binary files a/src/math/core and /dev/null differ

diff --git a/src/math/fenv.c b/src/math/fenv.c
index ef358f0..e15f0bc 100644 (file)
--- a/src/math/fenv.c
+++ b/src/math/fenv.c
@@ -43,6 +43,7 @@ static void test_except()
 {
        #pragma STDC FENV_ACCESS ON
        int i,r;
+       fenv_t env;
 
        for (i=0; i < sizeof te/sizeof*te; i++) {
                feclearexcept(FE_ALL_EXCEPT);
@@ -55,6 +56,23 @@ static void test_except()
                        error("feraiseexcept(%s) want %d got %d\n",
                                te[i].name, te[i].i, r);
        }
+
+       r = fegetenv(&env);
+       if (r != 0)
+               error("fegetenv(&env) = %d\n", r);
+       i = fetestexcept(FE_ALL_EXCEPT);
+       r = fesetenv(FE_DFL_ENV);
+       if (r != 0)
+               error("fesetenv(FE_DFL_ENV) = %d\n", r);
+       r = fetestexcept(FE_ALL_EXCEPT);
+       if (r != 0)
+               error("fesetenv(FE_DFL_ENV) did not clear exceptions: 0x%x\n", r);
+       r = fesetenv(&env);
+       if (r != 0)
+               error("fesetenv(&env) = %d\n", r);
+       r = fetestexcept(FE_ALL_EXCEPT);
+       if (r != i)
+               error("fesetenv(&env) did not restore exceptions: 0x%x\n", r);
 }
 
 static struct {
@@ -77,6 +95,7 @@ static void test_round()
 {
        #pragma STDC FENV_ACCESS ON
        int i,r;
+       fenv_t env;
 
        for (i=0; i < sizeof tr/sizeof*tr; i++) {
                if (tr[i].i < 0)
@@ -90,11 +109,28 @@ static void test_round()
        for (i=0; i < sizeof tr/sizeof*tr; i++) {
                r = fesetround(tr[i].i);
                if (r != 0)
-                       error("fesetround %d\n", r);
+                       error("fesetround(%s) = %d\n", tr[i].name, r);
                r = fegetround();
                if (r != tr[i].i)
-                       error("fegetround %x wanted %x\n", r, tr[i].i);
+                       error("fegetround() = 0x%x, wanted 0x%x (%s)\n", r, tr[i].i, tr[i].name);
        }
+
+       r = fegetenv(&env);
+       if (r != 0)
+               error("fegetenv(&env) = %d\n", r);
+       i = fegetround();
+       r = fesetenv(FE_DFL_ENV);
+       if (r != 0)
+               error("fesetenv(FE_DFL_ENV) = %d\n", r);
+       r = fegetround();
+       if (r != FE_TONEAREST)
+               error("fesetenv(FE_DFL_ENV) did not set FE_TONEAREST (0x%x), got 0x%x\n", FE_TONEAREST, r);
+       r = fesetenv(&env);
+       if (r != 0)
+               error("fesetenv(&env) = %d\n", r);
+       r = fegetround();
+       if (r != i)
+               error("fesetenv(&env) did not restore 0x%x, got 0x%x\n", i, r);
 }
 
 /* ieee double precision add operation */