Improve readability of unit tests

unittests/globalmap.c

@@ -22,7 +22,7 @@ int main(void)
 	assert(get_entity_owner(x) == cls);
 
 	ir_entity *gx = ir_get_global(id1);
-	assert (NULL == gx);
+	assert(gx == NULL);
 
 	set_entity_owner(x, glob);
 	assert(get_entity_owner(x) == glob);

unittests/nan_payload.c

@@ -13,7 +13,7 @@
 static int64_t nan_payload(double d) {
 	int64_t result;
 	memcpy(&result, &d, 8);
-	assert (result & 0x0008000000000000); // quiet NaN
+	assert(result & 0x0008000000000000); // quiet NaN
 	return result & 0x0007ffffffffffff;
 }
 
@@ -32,35 +32,35 @@ int main(void)
 	init_mode();
 	init_tarval_2();
 
-	double d_nan = 0.0/0.0;
-	assert (d_nan != d_nan);
+	double d_nan = 0.0 / 0.0;
+	assert(d_nan != d_nan);
 
 	d_nan = new_nan(1234);
-	assert (d_nan != d_nan);
-	assert (nan_payload(d_nan) == 1234);
+	assert(d_nan != d_nan);
+	assert(nan_payload(d_nan) == 1234);
 
 	d_nan *= 2;
-	assert (d_nan != d_nan);
+	assert(d_nan != d_nan);
 
 	ir_tarval* tv_nan = new_tarval_from_double(d_nan, mode_D);
-	assert (tarval_is_nan(tv_nan));
+	assert(tarval_is_nan(tv_nan));
 	d_nan = get_tarval_double(tv_nan);
-	assert (d_nan != d_nan);
-	assert (nan_payload(d_nan) == 1234);
+	assert(d_nan != d_nan);
+	assert(nan_payload(d_nan) == 1234);
 
 	tv_nan = new_tarval_nan(mode_D, false, NULL);
-	assert (tarval_is_nan(tv_nan));
+	assert(tarval_is_nan(tv_nan));
 	d_nan = get_tarval_double(tv_nan);
-	assert (d_nan != d_nan);
+	assert(d_nan != d_nan);
 
 	d_nan = new_nan(0);
-	assert (nan_payload(d_nan) == 0);
-	assert (d_nan != d_nan);
+	assert(nan_payload(d_nan) == 0);
+	assert(d_nan != d_nan);
 	tv_nan = new_tarval_from_double(d_nan, mode_D);
-	assert (tarval_is_nan(tv_nan));
+	assert(tarval_is_nan(tv_nan));
 	d_nan = get_tarval_double(tv_nan);
-	assert (d_nan != d_nan);
-	assert (nan_payload(d_nan) == 0);
+	assert(d_nan != d_nan);
+	assert(nan_payload(d_nan) == 0);
 
 	finish_tarval();
 	finish_mode();