1 #include "InterpolationTestsQ7.h"
2 #include <stdio.h>
3 #include "Error.h"
4 
5 #define SNR_THRESHOLD 20
6 
7 /*
8 
9 Reference patterns are generated with
10 a double precision computation.
11 
12 */
13 #define ABS_ERROR_Q7 ((q7_t)2)
14 
15 
16 
test_linear_interp_q7()17     void InterpolationTestsQ7::test_linear_interp_q7()
18     {
19        const q31_t *inp = input.ptr();
20        q7_t *outp = output.ptr();
21 
22        unsigned long nb;
23        for(nb = 0; nb < input.nbSamples(); nb++)
24        {
25           outp[nb] = arm_linear_interp_q7(y.ptr(),inp[nb],y.nbSamples());
26        }
27 
28        ASSERT_EMPTY_TAIL(output);
29 
30        ASSERT_SNR(output,ref,(float32_t)SNR_THRESHOLD);
31 
32        ASSERT_NEAR_EQ(output,ref,ABS_ERROR_Q7);
33 
34     }
35 
test_bilinear_interp_q7()36     void InterpolationTestsQ7::test_bilinear_interp_q7()
37     {
38        const q31_t *inp = input.ptr();
39        q7_t *outp = output.ptr();
40        q31_t x,y;
41        unsigned long nb;
42        for(nb = 0; nb < input.nbSamples(); nb += 2)
43        {
44           x = inp[nb];
45           y = inp[nb+1];
46           *outp++=arm_bilinear_interp_q7(&SBI,x,y);
47        }
48 
49        ASSERT_EMPTY_TAIL(output);
50 
51        ASSERT_SNR(output,ref,(float32_t)SNR_THRESHOLD);
52 
53        ASSERT_NEAR_EQ(output,ref,ABS_ERROR_Q7);
54 
55     }
56 
57 
setUp(Testing::testID_t id,std::vector<Testing::param_t> & params,Client::PatternMgr * mgr)58     void InterpolationTestsQ7::setUp(Testing::testID_t id,std::vector<Testing::param_t>& params,Client::PatternMgr *mgr)
59     {
60 
61        Testing::nbSamples_t nb=MAX_NB_SAMPLES;
62        const int16_t *pConfig;
63        (void)params;
64 
65        switch(id)
66        {
67         case InterpolationTestsQ7::TEST_LINEAR_INTERP_Q7_1:
68           input.reload(InterpolationTestsQ7::INPUT_Q31_ID,mgr,nb);
69           y.reload(InterpolationTestsQ7::YVAL_Q7_ID,mgr,nb);
70           ref.reload(InterpolationTestsQ7::REF_LINEAR_Q7_ID,mgr,nb);
71 
72           break;
73 
74         case InterpolationTestsQ7::TEST_BILINEAR_INTERP_Q7_2:
75           input.reload(InterpolationTestsQ7::INPUTBI_Q31_ID,mgr,nb);
76           config.reload(InterpolationTestsQ7::CONFIGBI_S16_ID,mgr,nb);
77           y.reload(InterpolationTestsQ7::YVALBI_Q7_ID,mgr,nb);
78           ref.reload(InterpolationTestsQ7::REF_BILINEAR_Q7_ID,mgr,nb);
79 
80           pConfig = config.ptr();
81 
82           SBI.numRows = pConfig[1];
83           SBI.numCols = pConfig[0];
84 
85           SBI.pData = y.ptr();
86 
87           break;
88 
89        }
90 
91 
92 
93        output.create(ref.nbSamples(),InterpolationTestsQ7::OUT_SAMPLES_Q7_ID,mgr);
94     }
95 
tearDown(Testing::testID_t id,Client::PatternMgr * mgr)96     void InterpolationTestsQ7::tearDown(Testing::testID_t id,Client::PatternMgr *mgr)
97     {
98         (void)id;
99         output.dump(mgr);
100     }
101