testing: addition read exponent of a floating number

test/test_addition.c

@@ -168,6 +168,24 @@ void test_addition_precisionfloatingnumber(void) {
     TEST_ASSERT_EQUAL_UINT(expected[4], result[4]);
 }
 
+void test_addition_exponentfloatingnumber(void) {
+    unsigned int result[5];
+    number[0].floating = 0, number[1].floating = -762134982, number[2].floating = 47621349, number[3].floating = -0.0000078961354, number[4].floating = 0.00001568943;
+    unsigned int expected[5] = { ( number[0].integer << 1) >> 24 , ( number[1].integer << 1) >> 24, ( number[2].integer << 1) >> 24, ( number[3].integer << 1) >> 24, ( number[4].integer << 1) >> 24};
+
+    result[0] = e( number[0].integer );
+    result[1] = e( number[1].integer );
+    result[2] = e( number[2].integer );
+    result[3] = e( number[3].integer );
+    result[4] = e( number[4].integer );
+
+    TEST_ASSERT_EQUAL_UINT(expected[0], result[0]);
+    TEST_ASSERT_EQUAL_UINT(expected[1], result[1]);
+    TEST_ASSERT_EQUAL_UINT(expected[2], result[2]);
+    TEST_ASSERT_EQUAL_UINT(expected[3], result[3]);
+    TEST_ASSERT_EQUAL_UINT(expected[4], result[4]);
+}
+
 void test_addition_addition_float_0plus0gleich0(void) {
     float result;
     float expected = (float) 0.0;