108 lines
2.3 KiB
C++
Executable File
108 lines
2.3 KiB
C++
Executable File
#include "BIQUADQ15.h"
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#include <stdio.h>
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#include "Error.h"
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/*
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Accuracy issues on biquad df1 q15
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It will have to be reworked
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*/
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#define SNR_THRESHOLD 30
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#define ABS_ERROR_Q15 ((q15_t)500)
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void BIQUADQ15::test_biquad_cascade_df1()
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{
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q15_t *statep = state.ptr();
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const q15_t *coefsp = coefs.ptr();
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const q15_t *inputp = inputs.ptr();
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q15_t *outp = output.ptr();
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int blockSize;
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/*
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Python script is generating different tests with
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different blockSize and numTaps.
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We loop on those configs.
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*/
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blockSize = inputs.nbSamples() >> 1;
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/*
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The filter is initialized with the coefs, blockSize and numTaps.
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*/
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arm_biquad_cascade_df1_init_q15(&this->S,3,coefsp,statep,2);
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/*
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Python script is filtering a 2*blockSize number of samples.
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We do the same filtering in two pass to check (indirectly that
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the state management of the fir is working.)
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*/
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arm_biquad_cascade_df1_q15(&this->S,inputp,outp,blockSize);
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outp += blockSize;
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inputp += blockSize;
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arm_biquad_cascade_df1_q15(&this->S,inputp,outp,blockSize);
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outp += blockSize;
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ASSERT_EMPTY_TAIL(output);
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ASSERT_SNR(output,ref,(q15_t)SNR_THRESHOLD);
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ASSERT_NEAR_EQ(output,ref,ABS_ERROR_Q15);
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}
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void BIQUADQ15::setUp(Testing::testID_t id,std::vector<Testing::param_t>& params,Client::PatternMgr *mgr)
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{
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(void)params;
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switch(id)
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{
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case BIQUADQ15::TEST_BIQUAD_CASCADE_DF1_1:
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break;
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}
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inputs.reload(BIQUADQ15::BIQUADINPUTS_Q15_ID,mgr);
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coefs.reload(BIQUADQ15::BIQUADCOEFS_Q15_ID,mgr);
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ref.reload(BIQUADQ15::BIQUADREFS_Q15_ID,mgr);
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output.create(ref.nbSamples(),BIQUADQ15::OUT_Q15_ID,mgr);
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/* max 4 * nbTaps as generated by Python script */
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/* Same OUTID is reused. So linked to same output file. If it is dumped
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it may overwrite the output
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*/
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state.create(32,BIQUADQ15::OUT_Q15_ID,mgr);
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}
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void BIQUADQ15::tearDown(Testing::testID_t id,Client::PatternMgr *mgr)
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{
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(void)id;
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output.dump(mgr);
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}
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