Exemplo n.º 1
0
void create_tests(float32_t eps) {
  int rows=4;
  int cols=3;
  int cols2=2;
  ambix_matrix_t matrix, *left, *right;
  STARTTEST("");

  memset(&matrix, 0, sizeof(matrix));

  left=ambix_matrix_create();
  fail_if((left==NULL), __LINE__, "failed to create left matrix");
  fail_if((left->rows || left->cols), __LINE__, "created empty matrix has non-zero size");
  fail_if((left!=ambix_matrix_init(rows, cols, left)), __LINE__, "initializing existing matrix* returned new matrix");
  fail_if((left->rows!=rows || left->cols!=cols), __LINE__, "created matrix [%dx%d] does not match [%dx%d]", left->rows, left->cols, cols, cols2);

  right=ambix_matrix_init(cols, cols2, NULL);
  fail_if((right==NULL), __LINE__, "failed to create right matrix");
  fail_if((right->rows!=cols || right->cols!=cols2), __LINE__, "created matrix [%dx%d] does not match [%dx%d]", right->rows, right->cols, cols, cols2);

  fail_if((&matrix!=ambix_matrix_init(rows, cols2, &matrix)), __LINE__, "initializing existing matrix returned new matrix");
  fail_if((matrix.rows!=rows || matrix.cols!=cols2), __LINE__, "initialized matrix [%dx%d] does not match [%dx%d]", matrix.rows, matrix.cols, rows, cols2);


  ambix_matrix_deinit(&matrix);
  fail_if((matrix.rows || matrix.cols), __LINE__, "deinitialized matrix is non-zero");

  ambix_matrix_deinit(left);
  fail_if((left->rows || left->cols), __LINE__, "deinitialized matrix is non-zero");

  ambix_matrix_destroy(left);
  ambix_matrix_destroy(right);
}
Exemplo n.º 2
0
void mtxmul_eye_tests(float32_t eps) {
  float32_t errf;
  ambix_matrix_t *left, *result, *eye;
  STARTTEST("");
  eye=ambix_matrix_init(4, 4, NULL);
  fail_if((eye!=ambix_matrix_fill(eye, AMBIX_MATRIX_IDENTITY)), __LINE__, "filling unity matrix %p did not return original matrix %p", eye);

  left=ambix_matrix_init(4, 2, NULL);
  fail_if(AMBIX_ERR_SUCCESS!=ambix_matrix_fill_data(left, resultdata_4_2), __LINE__,
          "filling left data failed");

  result=ambix_matrix_init(4, 2, NULL);
  fail_if(AMBIX_ERR_SUCCESS!=ambix_matrix_fill_data(result, resultdata_4_2), __LINE__,
          "filling result data failed");

  fail_if((result!=ambix_matrix_multiply(eye, left, result)), __LINE__, "multiplication into matrix did not return original matrix");
#if 0
  matrix_print(eye);
  matrix_print(result);
  matrix_print(left);
#endif
  errf=matrix_diff(__LINE__, left, result, eps);
  fail_if((errf>eps), __LINE__, "diffing matrix M with E*M returned %f (>%f)", errf, eps);

  ambix_matrix_destroy(left);
  ambix_matrix_destroy(result);
  ambix_matrix_destroy(eye);
}
Exemplo n.º 3
0
void datamul_eye_tests(float32_t eps) {
  float32_t errf;
  uint64_t frames=4096;
  uint32_t channels=16;
  float32_t*inputdata;
  float32_t*outputdata;
  float32_t freq=500;
  ambix_matrix_t eye = {0, 0, NULL};
  STARTTEST("");


  inputdata =data_sine(frames, channels, freq);
  outputdata=(float32_t*)malloc(sizeof(float32_t)*frames*channels);
  fail_if((NULL==outputdata), __LINE__, "couldn't mallocate outputdata");

  ambix_matrix_init(channels, channels, &eye);
  ambix_matrix_fill(&eye, AMBIX_MATRIX_IDENTITY);

  fail_if(AMBIX_ERR_SUCCESS!=ambix_matrix_multiply_float32(outputdata, &eye, inputdata, frames),
          __LINE__, "data multilplication failed");

  errf=data_diff(__LINE__, inputdata, outputdata, frames*channels, eps);
  fail_if(!(errf<eps), __LINE__, "diffing data multiplication returned %f (>%f)", errf, eps);

#if 0
  printf("matrix:\n");  matrix_print(&eye);
  printf("input :\n");  data_print(inputdata, frames*channels);
  printf("output:\n");  data_print(outputdata,frames*channels);
#endif

  free(inputdata);
  free(outputdata);
  ambix_matrix_deinit(&eye);
}
Exemplo n.º 4
0
void mtx_copy(float32_t eps) {
  float32_t errf;
  ambix_matrix_t *left=NULL, *right=NULL;
  unsigned int i;
  float32_t maxeps=eps;

  STARTTEST("\n");

  right=ambix_matrix_copy(left, NULL);
  fail_if((NULL!=right), __LINE__, "copying from NULL matrix erroneously succeeded");

  left=ambix_matrix_create();
  fail_if((left !=ambix_matrix_init(4, 3, left )), __LINE__, "initializing left matrix failed");
  ambix_matrix_fill_data(left, leftdata_4_3);

  right=ambix_matrix_copy(left, NULL);
  fail_if((NULL==right), __LINE__, "copying to NULL matrix failed");
  errf=matrix_diff(__LINE__, left, right, eps);
  fail_if(errf>0.f, __LINE__, "diffing mtx with copy0 returned %g (>%g)", errf, 0.f);

  right=ambix_matrix_copy(left, right);
  fail_if((NULL==right), __LINE__, "copying to right matrix failed");
  errf=matrix_diff(__LINE__, left, right, eps);
  fail_if(errf>0.f, __LINE__, "diffing mtx with copy returned %g (>%g)", errf, 0.f);

  ambix_matrix_destroy(left);
  ambix_matrix_destroy(right);
  STOPTEST("\n");

}
Exemplo n.º 5
0
void check_matrix(const char*name, ambix_matrixtype_t typ, uint32_t rows, uint32_t cols) {
  ambix_matrix_t*mtx=NULL;
  ambix_matrix_t*result=NULL;
  ambix_matrix_t*zeros=NULL;
  float32_t errf=0.f;
  float32_t eps=1e-20;

  STARTTEST(name);

  mtx=ambix_matrix_init(rows, cols, mtx);
  result=ambix_matrix_fill(mtx, typ);
  
  fail_if((result==NULL), __LINE__, "matrix_fill returned NULL");
  fail_if((result!=mtx ), __LINE__, "matrix_fill did not return matrix %p (got %p)", mtx, result);

  zeros=ambix_matrix_init(result->rows, result->cols, zeros);
  zeros=ambix_matrix_fill(zeros, AMBIX_MATRIX_ZERO);


  errf=matrix_check_diff(name, result, zeros);

  if(AMBIX_MATRIX_ZERO==typ) {
    fail_if(!(errf<eps), __LINE__, "zero matrix non-zero (%f>%f)", errf, eps);
  } else {
    fail_if((errf<eps), __LINE__, "non-zero matrix zero (%f<%f)", errf, eps);
  }


  ambix_matrix_destroy(mtx);
  ambix_matrix_destroy(zeros); 
}
Exemplo n.º 6
0
void datamul_tests(float32_t eps) {
  float32_t errf;
  float32_t*resultdata  = (float32_t*)calloc(2*4, sizeof(float32_t));
  float32_t*resultdataT = (float32_t*)calloc(4*2, sizeof(float32_t));
  float32_t*inputdata   = (float32_t*)calloc(2*3, sizeof(float32_t));

  fail_if((NULL==resultdata), __LINE__, "couldn't callocate resultdata");
  fail_if((NULL==resultdataT), __LINE__, "couldn't callocate resultdataT");
  fail_if((NULL==inputdata), __LINE__, "couldn't callocate inputdata");

  ambix_matrix_t*mtx=NULL;
  STARTTEST("\n");

  mtx=ambix_matrix_init(4, 3, NULL);
  ambix_matrix_fill_data(mtx, leftdata_4_3);

  data_transpose(inputdata, rightdata_3_2, 3, 2);

  fail_if(AMBIX_ERR_SUCCESS!=ambix_matrix_multiply_float32(resultdata, mtx, inputdata, 2), __LINE__,
          "data multiplication failed");

  data_transpose(resultdataT, resultdata, 2, 4);

  errf=data_diff(__LINE__, FLOAT32, resultdataT, resultdata_4_2, 4*2, eps);
  if(errf>eps) {
    printf("matrix:\n");
    matrix_print(mtx);
    printf("input:\n");
    data_print(FLOAT32, inputdata, 3*2);

    printf("expected:\n");
    data_print(FLOAT32, resultdata_4_2, 4*2);
    printf("calculated:\n");
    data_print(FLOAT32, resultdataT   , 4*2);

  }
  fail_if(!(errf<eps), __LINE__, "diffing data multiplication returned %f (>%f)", errf, eps);

#if 0
  printf("matrix:\n");matrix_print(mtx);
  printf("input :\n");  data_print(FLOAT32, rightdata_3_2, 3*2);
  printf("output:\n");  data_print(FLOAT32, resultdata, 4*2);

  printf("target:\n");  data_print(FLOAT32, resultdata_4_2, 4*2);
#endif


  if(mtx)ambix_matrix_destroy(mtx);
  free(resultdata);
  free(resultdataT);
  free(inputdata);
  STOPTEST("\n");
}
int test_defaultmatrix(const char*name, uint32_t rows, uint32_t cols, ambix_matrixtype_t mtyp,
		       uint32_t xtrachannels, uint32_t chunksize, float32_t eps) {
  int result=0;
  ambix_matrix_t*mtx=0;
  STARTTEST("%s\n", name);
  mtx=ambix_matrix_init(rows,cols,mtx);
  if(!mtx)return 1;
  ambix_matrix_fill(mtx, mtyp);
  result=check_create_b2e(FILENAME_FILE, AMBIX_SAMPLEFORMAT_PCM16,
			  mtx,xtrachannels,
			  chunksize, FLOAT32, eps);
  ambix_matrix_destroy(mtx);
  return result;
}
Exemplo n.º 8
0
void mtxmul_tests(float32_t eps) {
  float32_t errf;
  ambix_matrix_t *left=NULL, *right=NULL, *result, *testresult;
  STARTTEST("\n");

 /* fill in some test data */
  left=ambix_matrix_init(4, 3, NULL);
  ambix_matrix_fill_data(left, leftdata_4_3);
  right=ambix_matrix_init(3, 2, NULL);
  ambix_matrix_fill_data(right, rightdata_3_2);
  testresult=ambix_matrix_init(4, 2, NULL);
  ambix_matrix_fill_data(testresult, resultdata_4_2);

  errf=matrix_diff(__LINE__, left, left, eps);
  fail_if(!(errf<eps), __LINE__, "diffing matrix with itself returned %f (>%f)", errf, eps);

  /* NULL multiplications */
  result=ambix_matrix_multiply(NULL, NULL, NULL);
  fail_if(NULL!=result, __LINE__, "multiplying NULL*NULL returned success");
  result=ambix_matrix_multiply(left, NULL, result);
  fail_if(NULL!=result, __LINE__, "multiplying left*NULL returned success");
  result=ambix_matrix_multiply(NULL, left, result);
  fail_if(NULL!=result, __LINE__, "multiplying NULL*left returned success");

  /* do some matrix multiplication */
  result=ambix_matrix_multiply(left, right, NULL);
  fail_if((NULL==result), __LINE__, "multiply into NULL did not create matrix");

  fail_if((result!=ambix_matrix_multiply(left, right, result)), __LINE__, "multiply into existing matrix returned new matrix");

#if 0
  matrix_print(left);
  matrix_print(right);
  matrix_print(result);
  printf("------------\n");
#endif
  errf=matrix_diff(__LINE__, testresult, result, eps);
  fail_if((errf>eps), __LINE__, "diffing two results of same multiplication returned %f (>%f)", errf, eps);

  ambix_matrix_destroy(left);
  ambix_matrix_destroy(right);
  ambix_matrix_destroy(result);
  ambix_matrix_destroy(testresult);
  STOPTEST("\n");
}
Exemplo n.º 9
0
void check_inversion(const char*name, ambix_matrixtype_t typ, uint32_t rows, uint32_t cols) {
  ambix_matrix_t*eye=NULL;
  ambix_matrix_t*result=NULL;
  float32_t errf;
  float32_t eps=1e-6;

  STARTTEST(name);

  result=inverse_matrices(typ, rows, cols);
  eye=ambix_matrix_init(result->rows, result->cols, eye);
  eye=ambix_matrix_fill(eye, AMBIX_MATRIX_IDENTITY);

  errf=matrix_check_diff(name, result, eye);

  if(!(errf<eps)){
    matrix_print(result);
  }

  fail_if(!(errf<eps), __LINE__, "diffing matrices (%s) returned %g-%g=%g", name, errf, eps, errf-eps);

  ambix_matrix_destroy(result);
  ambix_matrix_destroy(eye);
}
Exemplo n.º 10
0
void check_create_extended(const char*path, ambix_sampleformat_t format, uint32_t chunksize, float32_t eps) {
  ambix_info_t info, rinfo, winfo;
  ambix_t*ambix=NULL;
  float32_t*orgambidata,*ambidata,*resultambidata;
  float32_t*orgotherdata,*otherdata,*resultotherdata;
  uint32_t framesize=441000;
  uint32_t ambichannels=4;
  uint32_t extrachannels=2;
  float32_t periods=20000;
  ambix_matrix_t eye={0,0,NULL};
  const ambix_matrix_t*eye2=NULL;
  int64_t err64, gotframes;
  float32_t diff=0.;
  STARTTEST("\n");

  printf("test using '%s' [%d] with chunks of %d and eps=%f\n", path, (int)format, (int)chunksize, eps);

  resultambidata=(float32_t*)calloc(ambichannels*framesize, sizeof(float32_t));
  ambidata=(float32_t*)calloc(ambichannels*framesize, sizeof(float32_t));

  resultotherdata=(float32_t*)calloc(extrachannels*framesize, sizeof(float32_t));
  otherdata=(float32_t*)calloc(extrachannels*framesize, sizeof(float32_t));

  ambix_matrix_init(ambichannels, ambichannels, &eye);
  ambix_matrix_fill(&eye, AMBIX_MATRIX_IDENTITY);

  memset(&winfo, 0, sizeof(winfo));
  memset(&info, 0, sizeof(info));

  info.fileformat=AMBIX_EXTENDED;
  info.ambichannels=ambichannels;
  info.extrachannels=extrachannels;
  info.samplerate=44100;
  info.sampleformat=format;

  memcpy(&rinfo, &info, sizeof(info));

  ambix=ambix_open(path, AMBIX_WRITE, &rinfo);
  fail_if((NULL==ambix), __LINE__, "couldn't create ambix file '%s' for writing", path);

  orgambidata=data_sine (FLOAT32, framesize, ambichannels, periods);
  orgotherdata=data_ramp(FLOAT32, framesize, extrachannels);
  //data_print(FLOAT32, orgdata, 100);
  fail_if((NULL==orgambidata), __LINE__, "couldn't create ambidata %dx%d sine @ %f", (int)framesize, (int)ambichannels, (float)periods);
  fail_if((NULL==orgotherdata), __LINE__, "couldn't create otherdata %dx%d sine @ %f", (int)framesize, (int)extrachannels, (float)periods);

  memcpy(ambidata, orgambidata, framesize*ambichannels*sizeof(float32_t));
  memcpy(otherdata, orgotherdata, framesize*extrachannels*sizeof(float32_t));

  fail_if((AMBIX_ERR_SUCCESS!=ambix_set_adaptormatrix(ambix, &eye)),
          __LINE__, "failed setting adaptor matrix");

  if(chunksize>0) {
    uint32_t subframe=chunksize;
    uint32_t chunks = framesize/chunksize;
    uint32_t framesleft=framesize;
    uint32_t frame;
    printf("writing %d chunks of %d frames\n", (int)chunks, (int)chunksize);
    for(frame=0; frame<chunks; frame++) {
      err64=ambix_writef_float32(ambix, ambidata+ambichannels*frame*chunksize, otherdata+extrachannels*frame*chunksize, chunksize);
      fail_if((err64!=chunksize), __LINE__, "wrote only %d chunksize of %d", (int)err64, (int)chunksize);
      framesleft-=chunksize;
    }
    subframe=framesleft;
    printf("writing rest of %d frames\n", (int)subframe);
    err64=ambix_writef_float32(ambix, ambidata+ambichannels*frame*chunksize, otherdata+extrachannels*frame*chunksize, subframe);
    fail_if((err64!=subframe), __LINE__, "wrote only %d subframe of %d", (int)err64, (int)subframe);

  } else {
    err64=ambix_writef_float32(ambix, ambidata, otherdata, framesize);
    fail_if((err64!=framesize), __LINE__, "wrote only %d frames of %d", (int)err64, (int)framesize);
  }

  diff=data_diff(__LINE__, FLOAT32, orgambidata, ambidata, framesize*ambichannels, eps);
  fail_if((diff>eps), __LINE__, "ambidata diff %f > %f", diff, eps);
  diff=data_diff(__LINE__, FLOAT32, orgotherdata, otherdata, framesize*extrachannels, eps);
  fail_if((diff>eps), __LINE__, "otherdata diff %f > %f", diff, eps);

  fail_if((AMBIX_ERR_SUCCESS!=ambix_close(ambix)), __LINE__, "closing ambix file %p", ambix);
  ambix=NULL;



  /* read data back */
  ambix=ambix_open(path, AMBIX_READ, &rinfo);
  fail_if((NULL==ambix), __LINE__, "couldn't create ambix file '%s' for reading", path);

  fail_if((info.fileformat!=rinfo.fileformat), __LINE__, "fileformat mismatch %d!=%d", (int)info.fileformat, (int)rinfo.fileformat);
  fail_if((info.samplerate!=rinfo.samplerate), __LINE__, "samplerate mismatch %g!=%g", (float)info.samplerate, (float)rinfo.samplerate);
  fail_if((info.sampleformat!=rinfo.sampleformat), __LINE__, "sampleformat mismatch %d!=%d", (int)info.sampleformat, (int)rinfo.sampleformat);
  fail_if((info.ambichannels!=rinfo.ambichannels), __LINE__, "ambichannels mismatch %d!=%d", (int)info.ambichannels, (int)rinfo.ambichannels);
  fail_if((info.extrachannels!=rinfo.extrachannels), __LINE__, "extrachannels mismatch %d!=%d", (int)info.extrachannels, (int)rinfo.extrachannels);

  eye2=ambix_get_adaptormatrix(ambix);
  fail_if((NULL==eye2), __LINE__, "failed reading adaptor matrix");

  diff=matrix_diff(__LINE__, &eye, eye2, eps);
  fail_if((diff>eps), __LINE__, "adaptormatrix diff %f > %f", diff, eps);


  gotframes=0;
  do {
    //err64=ambix_readf_float32(ambix, resultambidata, resultotherdata, framesize);
      err64=ambix_readf_float32(ambix,
			resultambidata +(gotframes*ambichannels ),
			resultotherdata+(gotframes*extrachannels),
			(framesize-gotframes));
    fail_if((err64<0), __LINE__, "reading frames failed after %d/%d frames", (int)gotframes, (int)framesize);
    gotframes+=err64;
  } while(err64>0 && gotframes<framesize);

  diff=data_diff(__LINE__, FLOAT32, orgambidata, resultambidata, framesize*ambichannels, eps);
  fail_if((diff>eps), __LINE__, "ambidata diff %f > %f", diff, eps);

  diff=data_diff(__LINE__, FLOAT32, orgotherdata, resultotherdata, framesize*extrachannels, eps);
  fail_if((diff>eps), __LINE__, "otherdata diff %f > %f", diff, eps);

  fail_if((AMBIX_ERR_SUCCESS!=ambix_close(ambix)), __LINE__, "closing ambix file %p", ambix);
  ambix=NULL;

  free(resultambidata);
  free(ambidata);
  free(resultotherdata);
  free(otherdata);

  free(orgambidata);
  free(orgotherdata);

  ambix_matrix_deinit(&eye);

  ambixtest_rmfile(path);
}
Exemplo n.º 11
0
void datamul_4_2_tests(uint32_t chunksize, float32_t eps) {
  uint32_t r, c, rows, cols;
  float32_t errf;
  uint64_t frames=8;
  uint32_t rawchannels=2;
  uint32_t cokchannels=4;

  float32_t*inputdata;
  float32_t*outputdata;
  float32_t*targetdata;

  float32_t freq=500;

  ambix_matrix_t eye = {0, 0, NULL};
  STARTTEST("");



  inputdata =data_sine(frames, rawchannels, freq);
  targetdata=data_sine(frames, cokchannels, freq);

  outputdata=(float32_t*)malloc(sizeof(float32_t)*frames*cokchannels);
  fail_if((NULL==outputdata), __LINE__, "couldn't allocate outputdata");

  ambix_matrix_init(cokchannels, rawchannels, &eye);
  rows=eye.rows;
  cols=eye.cols;

  for(r=0; r<rows; r++) {
    for(c=0; c<cols; c++) {
      eye.data[r][c]=(1+r+c)%2;
    }
  }

#if 0
  matrix_print(&eye);
  printf("input\n");
  data_print(inputdata, rawchannels*frames);
#endif

  fail_if(AMBIX_ERR_SUCCESS!=ambix_matrix_multiply_float32(outputdata, &eye, inputdata, frames),
          __LINE__, "data multilplication failed");

#if 0
  printf("output\n");
  data_print(outputdata, cokchannels*frames);

  printf("target\n");
  data_print(targetdata, cokchannels*frames);
#endif



  errf=data_diff(__LINE__, targetdata, outputdata, frames*cokchannels, eps);
  fail_if(!(errf<eps), __LINE__, "diffing data multiplication returned %f (>%f)", errf, eps);

#if 0
  printf("matrix:\n");  matrix_print(&eye);
  printf("input :\n");  data_print(inputdata, frames*channels);
  printf("output:\n");  data_print(outputdata,frames*channels);
#endif

  ambix_matrix_deinit(&eye);

  free(inputdata);
  free(outputdata);
  free(targetdata);
}
Exemplo n.º 12
0
void mtx_diff(float32_t eps) {
  float32_t errf;
  ambix_matrix_t *left=NULL, *right=NULL;
  unsigned int i;
  const unsigned int rows=4;
  const unsigned int cols=3;
  float32_t*leftdata=leftdata_4_3;
  float32_t*rightdata=malloc(sizeof(leftdata_4_3));
  float32_t maxeps=eps;

  STARTTEST("\n");

  left=ambix_matrix_create();
  right=ambix_matrix_create();

  /* comparisons:
     - failing tests:
       - different dimensions
       - left/right matrix is NULL
     - non-failing tests:
       - all values diff==0
       - all values diff<eps
       - few values diff<eps
       - many values diff<eps
  */
  fail_if((left !=ambix_matrix_init(3, 4, left )), __LINE__, "initializing left matrix failed");
  fail_if((right!=ambix_matrix_init(3, 4, right)), __LINE__, "initializing right matrix failed");

  /* compare equal matrices */
  STARTTEST("ident\n");
  ambix_matrix_fill_data(left, leftdata);
  errf=matrix_diff(__LINE__, left, left, eps);
  fail_if(errf>0.f, __LINE__, "diffing mtx with itself returned %g (>%g)", errf, 0.f);

  /* compare equal matrices */
  STARTTEST("equal\n");
  for(i=0; i<rows*cols; i++) {
    rightdata[i]=leftdata[i];
  }
  ambix_matrix_fill_data(left , leftdata);
  ambix_matrix_fill_data(right, rightdata);
  errf=matrix_diff(__LINE__, left, right, eps);
  fail_if(errf>0.f, __LINE__, "diffing mtx with copy returned %g (>%g)", errf, 0.f);

  /* compare matrices where all values differ, but <eps */
  STARTTEST("all<eps\n");
  for(i=0; i<rows*cols; i++) {
    rightdata[i]=leftdata[i]+eps*0.5;
  }
  ambix_matrix_fill_data(left , leftdata);
  ambix_matrix_fill_data(right, rightdata);
  errf=matrix_diff(__LINE__, left, right, eps);
  fail_if(errf>eps, __LINE__, "diffing mtx with mtx+eps/2 returned %g (>%g)", errf, eps);
  for(i=0; i<rows*cols; i++) {
    rightdata[i]=leftdata[i]-eps*0.5;
  }
  ambix_matrix_fill_data(left , leftdata);
  ambix_matrix_fill_data(right, rightdata);
  errf=matrix_diff(__LINE__, left, right, eps);
  fail_if(errf>eps, __LINE__, "diffing mtx with mtx-eps/2 returned %g (>%g)", errf, eps);

  /* compare matrices where many values differ with <eps; but one with >eps */
  STARTTEST("most<eps;one>eps\n");
  for(i=0; i<rows*cols; i++) {
    rightdata[i]=leftdata[i];
  }
  for(i=0; i<rows; i++) {
    rightdata[i]=leftdata[i]+eps*0.5;
  }
  rightdata[0]=leftdata[0]+eps*1.5;
  ambix_matrix_fill_data(left , leftdata);
  ambix_matrix_fill_data(right, rightdata);
  errf=matrix_diff(__LINE__, left, right, eps);
  fail_if(errf>(eps*2.0), __LINE__, "diffing mtx with one value>eps returned %g (>%g)", errf, eps);
  fail_if(errf<(eps*1.0), __LINE__, "diffing mtx with one value>eps returned %g (>%g)", errf, eps);

  /* compare matrices where most values differ with >eps */
  STARTTEST("most>eps\n");
  for(i=0; i<rows*cols; i++) {
    rightdata[i]=leftdata[i];
  }
  maxeps=eps*1.5;
  for(i=0; i<(rows*cols)-1; i++) {
    rightdata[i]=leftdata[i]-maxeps;
  }
  ambix_matrix_fill_data(left , leftdata);
  ambix_matrix_fill_data(right, rightdata);
  errf=matrix_diff(__LINE__, left, right, eps);
  fail_if(errf<eps*1.0, __LINE__, "diffing mtx with one value>eps returned %g (<%g)", errf, eps*1.0);
  fail_if(errf>eps*2.0, __LINE__, "diffing mtx with one value>eps returned %g (<%g)", errf, eps*2.0);

  ambix_matrix_destroy(left);
  ambix_matrix_destroy(right);
  free(rightdata);
  STOPTEST("\n");
}
Exemplo n.º 13
0
void mtxinverse_tests(float32_t eps) {
  float32_t errf;
  ambix_matrix_t *mtx=0, *testresult=0;
  float32_t*transposedata = (float32_t*)calloc(3*4, sizeof(float32_t));

  STARTTEST("\n");

  /* fill in some test data 4x4 */
  STARTTEST("[4x4]\n");
  mtx=ambix_matrix_init(4, 4, mtx);
  ambix_matrix_fill_data(mtx, leftdata_4_4);
  testresult=ambix_matrix_init(4, 4, testresult);
  ambix_matrix_fill_data(testresult, resultpinv_4_4);
  mtxinverse_test(mtx, testresult, eps);

  /* fill in some test data 4x3 */
  STARTTEST("[4x3]\n");
  mtx=ambix_matrix_init(4, 3, mtx);
  ambix_matrix_fill_data(mtx, leftdata_4_3);
  testresult=ambix_matrix_init(3, 4, testresult);
  ambix_matrix_fill_data(testresult, resultpinv_4_3);
  mtxinverse_test(mtx, testresult, eps);

  /* fill in some test data 3x4 */
  STARTTEST("[3x4]\n");
  data_transpose(transposedata, leftdata_4_3, 4, 3);
  mtx=ambix_matrix_init(3, 4, mtx);
  ambix_matrix_fill_data(mtx, transposedata);

  data_transpose(transposedata, resultpinv_4_3, 3, 4);
  testresult=ambix_matrix_init(4, 3, testresult);
  ambix_matrix_fill_data(testresult, transposedata);
  mtxinverse_test(mtx, testresult, eps);

  /* fill in some test data 4x4 */
  STARTTEST("[identity:4x4]\n");
  mtx=ambix_matrix_init(4, 4, mtx);
  ambix_matrix_fill(mtx, AMBIX_MATRIX_IDENTITY);
  testresult=ambix_matrix_init(4, 4, testresult);
  ambix_matrix_fill(testresult, AMBIX_MATRIX_IDENTITY);
  mtxinverse_test(mtx, testresult, eps);

  STARTTEST("[one:4x4]\n");
  mtx=ambix_matrix_init(4, 4, mtx);
  ambix_matrix_fill(mtx, AMBIX_MATRIX_ONE);
  mtxinverse_test(mtx, NULL, eps);
  STARTTEST("[zero:4x4]\n");
  mtx=ambix_matrix_init(4, 4, mtx);
  ambix_matrix_fill(mtx, AMBIX_MATRIX_ZERO);
  mtxinverse_test(mtx, NULL, eps);

  STARTTEST("[SID:4x4]\n");
  mtx=ambix_matrix_init(4, 4, mtx);
  ambix_matrix_fill(mtx, AMBIX_MATRIX_SID);
  testresult=ambix_matrix_init(4, 4, testresult);
  ambix_matrix_fill(testresult, AMBIX_MATRIX_TO_SID);
  mtxinverse_test(mtx, testresult, eps);

  STARTTEST("[N3D:4x4]\n");
  mtx=ambix_matrix_init(4, 4, mtx);
  ambix_matrix_fill(mtx, AMBIX_MATRIX_N3D);
  testresult=ambix_matrix_init(4, 4, testresult);
  ambix_matrix_fill(testresult, AMBIX_MATRIX_TO_N3D);
  mtxinverse_test(mtx, testresult, eps);

  STARTTEST("[FUMA:4x4]\n");
  mtx=ambix_matrix_init(4, 4, mtx);
  ambix_matrix_fill(mtx, AMBIX_MATRIX_FUMA);
  testresult=ambix_matrix_init(4, 4, testresult);
  ambix_matrix_fill(testresult, AMBIX_MATRIX_TO_FUMA);
  mtxinverse_test(mtx, testresult, eps);


  ambix_matrix_destroy(mtx);
  ambix_matrix_destroy(testresult);
  free(transposedata);
  STOPTEST("\n");
}