add special values to sin and cos test data

DSP_Lib_TestSuite/Common/src/fast_math_tests/fast_math_tests_common_data.c

@@ -190,9 +190,15 @@ const q15_t * fast_math_q15_inputs = (q15_t *) fast_math_q31_inputs;
 
 const float32_t fast_math_f32_inputs[FAST_MATH_MAX_LEN] =
 {
-       -1.5E-07, 5.0545058, 6.1958757, 0.1884450, 3.3656774, 0.5471223,
-        -5.0396892, 6.2149808, 0.4206357, 5.9024140, 0.1142128, 4.2966847,
-        -4.9243615, 3.3560853, 5.5628775, 5.6486144, 3.9328821, 0.8662564,
+    /* Special values close to increments of pi/2 */
+    -0.0,       0.0,        -1.5E-07,   1.5E-07,    1.5707964,  1.5707965,
+    -1.5707964, -1.5707965, 3.1415925,  3.1415927,  -3.1415925, -3.1415927, 
+    6.2831855,  6.283186,   -6.2831855, -6.283186, 
+
+    /* Test some slightly larger values too */
+    10.1,       -13.2,
+
+    /* Random values (0, 2pi) */
     -1.3684878, 1.1444261, 0.2627620, 0.6719343, 3.8732286, 5.9040643,
     -2.2271110, 2.5800587, 6.1848498, 5.9412493, 4.2514839, 6.2096863,
     -4.8181437, 2.1155439, 4.1618680, 1.5341357, 1.8567268, 4.2736867,