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CMSIS-DSP/Testing/Source/Tests/InterpolationTestsF32.cpp

107 lines
2.7 KiB
C++

#include "InterpolationTestsF32.h"
#include <stdio.h>
#include "Error.h"
#define SNR_THRESHOLD 120
/*
Reference patterns are generated with
a double precision computation.
*/
#define REL_ERROR (8.0e-5)
void InterpolationTestsF32::test_linear_interp_f32()
{
const float32_t *inp = input.ptr();
float32_t *outp = output.ptr();
int nb;
for(nb = 0; nb < input.nbSamples(); nb++)
{
outp[nb] = arm_linear_interp_f32(&S,inp[nb]);
}
ASSERT_EMPTY_TAIL(output);
ASSERT_SNR(output,ref,(float32_t)SNR_THRESHOLD);
ASSERT_REL_ERROR(output,ref,REL_ERROR);
}
void InterpolationTestsF32::test_bilinear_interp_f32()
{
const float32_t *inp = input.ptr();
float32_t *outp = output.ptr();
float32_t x,y;
int nb;
for(nb = 0; nb < input.nbSamples(); nb += 2)
{
x = inp[nb];
y = inp[nb+1];
*outp++=arm_bilinear_interp_f32(&SBI,x,y);
}
ASSERT_EMPTY_TAIL(output);
ASSERT_SNR(output,ref,(float32_t)SNR_THRESHOLD);
ASSERT_REL_ERROR(output,ref,REL_ERROR);
}
void InterpolationTestsF32::setUp(Testing::testID_t id,std::vector<Testing::param_t>& params,Client::PatternMgr *mgr)
{
const int16_t *pConfig;
Testing::nbSamples_t nb=MAX_NB_SAMPLES;
switch(id)
{
case InterpolationTestsF32::TEST_LINEAR_INTERP_F32_1:
input.reload(InterpolationTestsF32::INPUT_F32_ID,mgr,nb);
y.reload(InterpolationTestsF32::YVAL_F32_ID,mgr,nb);
ref.reload(InterpolationTestsF32::REF_LINEAR_F32_ID,mgr,nb);
S.nValues=y.nbSamples(); /**< nValues */
/* Those values must be coherent with the ones in the
Python script generating the patterns */
S.x1=0.0; /**< x1 */
S.xSpacing=1.0; /**< xSpacing */
S.pYData=y.ptr(); /**< pointer to the table of Y values */
break;
case InterpolationTestsF32::TEST_BILINEAR_INTERP_F32_2:
input.reload(InterpolationTestsF32::INPUTBI_F32_ID,mgr,nb);
config.reload(InterpolationTestsF32::CONFIGBI_S16_ID,mgr,nb);
y.reload(InterpolationTestsF32::YVALBI_F32_ID,mgr,nb);
ref.reload(InterpolationTestsF32::REF_BILINEAR_F32_ID,mgr,nb);
pConfig = config.ptr();
SBI.numRows = pConfig[1];
SBI.numCols = pConfig[0];
SBI.pData = y.ptr();
break;
}
output.create(ref.nbSamples(),InterpolationTestsF32::OUT_SAMPLES_F32_ID,mgr);
}
void InterpolationTestsF32::tearDown(Testing::testID_t id,Client::PatternMgr *mgr)
{
output.dump(mgr);
}