sormbr_1.c
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00002   Copyright (c) 2010, Intel Corp.
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00004 
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00017   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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00029 /*  Contents: test routine for C interface to LAPACK
00030 *   Author: Intel Corporation
00031 *   Created in March, 2010
00032 *
00033 * Purpose
00034 *
00035 * sormbr_1 is the test program for the C interface to LAPACK
00036 * routine sormbr
00037 * The program doesn't require an input, the input data is hardcoded in the
00038 * test program.
00039 * The program tests the C interface in the four combinations:
00040 *   1) column-major layout, middle-level interface
00041 *   2) column-major layout, high-level interface
00042 *   3) row-major layout, middle-level interface
00043 *   4) row-major layout, high-level interface
00044 * The output of the C interface function is compared to those obtained from
00045 * the corresponiding LAPACK routine with the same input data, and the
00046 * comparison diagnostics is then printed on the standard output having PASSED
00047 * keyword if the test is passed, and FAILED keyword if the test isn't passed.
00048 *****************************************************************************/
00049 #include <stdio.h>
00050 #include "lapacke.h"
00051 #include "lapacke_utils.h"
00052 #include "test_utils.h"
00053 
00054 static void init_scalars_sormbr( char *vect, char *side, char *trans,
00055                                  lapack_int *m, lapack_int *n, lapack_int *k,
00056                                  lapack_int *lda, lapack_int *ldc,
00057                                  lapack_int *lwork );
00058 static void init_a( lapack_int size, float *a );
00059 static void init_tau( lapack_int size, float *tau );
00060 static void init_c( lapack_int size, float *c );
00061 static void init_work( lapack_int size, float *work );
00062 static int compare_sormbr( float *c, float *c_i, lapack_int info,
00063                            lapack_int info_i, lapack_int ldc, lapack_int n );
00064 
00065 int main(void)
00066 {
00067     /* Local scalars */
00068     char vect, vect_i;
00069     char side, side_i;
00070     char trans, trans_i;
00071     lapack_int m, m_i;
00072     lapack_int n, n_i;
00073     lapack_int k, k_i;
00074     lapack_int lda, lda_i;
00075     lapack_int lda_r;
00076     lapack_int ldc, ldc_i;
00077     lapack_int ldc_r;
00078     lapack_int lwork, lwork_i;
00079     lapack_int info, info_i;
00080     /* Declare scalars */
00081     lapack_int nq;
00082     lapack_int r;
00083     lapack_int i;
00084     int failed;
00085 
00086     /* Local arrays */
00087     float *a = NULL, *a_i = NULL;
00088     float *tau = NULL, *tau_i = NULL;
00089     float *c = NULL, *c_i = NULL;
00090     float *work = NULL, *work_i = NULL;
00091     float *c_save = NULL;
00092     float *a_r = NULL;
00093     float *c_r = NULL;
00094 
00095     /* Iniitialize the scalar parameters */
00096     init_scalars_sormbr( &vect, &side, &trans, &m, &n, &k, &lda, &ldc, &lwork );
00097     nq = LAPACKE_lsame( side, 'l' ) ? m : n;
00098     r = LAPACKE_lsame( vect, 'q' ) ? nq : MIN(nq,k);
00099     lda_r = MIN(nq,k)+2;
00100     ldc_r = n+2;
00101     vect_i = vect;
00102     side_i = side;
00103     trans_i = trans;
00104     m_i = m;
00105     n_i = n;
00106     k_i = k;
00107     lda_i = lda;
00108     ldc_i = ldc;
00109     lwork_i = lwork;
00110 
00111     /* Allocate memory for the LAPACK routine arrays */
00112     a = (float *)LAPACKE_malloc( (lda*(MIN(nq,k))) * sizeof(float) );
00113     tau = (float *)LAPACKE_malloc( MIN(nq,k) * sizeof(float) );
00114     c = (float *)LAPACKE_malloc( ldc*n * sizeof(float) );
00115     work = (float *)LAPACKE_malloc( lwork * sizeof(float) );
00116 
00117     /* Allocate memory for the C interface function arrays */
00118     a_i = (float *)LAPACKE_malloc( (lda*(MIN(nq,k))) * sizeof(float) );
00119     tau_i = (float *)LAPACKE_malloc( MIN(nq,k) * sizeof(float) );
00120     c_i = (float *)LAPACKE_malloc( ldc*n * sizeof(float) );
00121     work_i = (float *)LAPACKE_malloc( lwork * sizeof(float) );
00122 
00123     /* Allocate memory for the backup arrays */
00124     c_save = (float *)LAPACKE_malloc( ldc*n * sizeof(float) );
00125 
00126     /* Allocate memory for the row-major arrays */
00127     a_r = (float *)LAPACKE_malloc( (r*(MIN(nq,k)+2)) * sizeof(float) );
00128     c_r = (float *)LAPACKE_malloc( m*(n+2) * sizeof(float) );
00129 
00130     /* Initialize input arrays */
00131     init_a( lda*(MIN(nq,k)), a );
00132     init_tau( (MIN(nq,k)), tau );
00133     init_c( ldc*n, c );
00134     init_work( lwork, work );
00135 
00136     /* Backup the ouptut arrays */
00137     for( i = 0; i < ldc*n; i++ ) {
00138         c_save[i] = c[i];
00139     }
00140 
00141     /* Call the LAPACK routine */
00142     sormbr_( &vect, &side, &trans, &m, &n, &k, a, &lda, tau, c, &ldc, work,
00143              &lwork, &info );
00144 
00145     /* Initialize input data, call the column-major middle-level
00146      * interface to LAPACK routine and check the results */
00147     for( i = 0; i < lda*(MIN(nq,k)); i++ ) {
00148         a_i[i] = a[i];
00149     }
00150     for( i = 0; i < (MIN(nq,k)); i++ ) {
00151         tau_i[i] = tau[i];
00152     }
00153     for( i = 0; i < ldc*n; i++ ) {
00154         c_i[i] = c_save[i];
00155     }
00156     for( i = 0; i < lwork; i++ ) {
00157         work_i[i] = work[i];
00158     }
00159     info_i = LAPACKE_sormbr_work( LAPACK_COL_MAJOR, vect_i, side_i, trans_i,
00160                                   m_i, n_i, k_i, a_i, lda_i, tau_i, c_i, ldc_i,
00161                                   work_i, lwork_i );
00162 
00163     failed = compare_sormbr( c, c_i, info, info_i, ldc, n );
00164     if( failed == 0 ) {
00165         printf( "PASSED: column-major middle-level interface to sormbr\n" );
00166     } else {
00167         printf( "FAILED: column-major middle-level interface to sormbr\n" );
00168     }
00169 
00170     /* Initialize input data, call the column-major high-level
00171      * interface to LAPACK routine and check the results */
00172     for( i = 0; i < lda*(MIN(nq,k)); i++ ) {
00173         a_i[i] = a[i];
00174     }
00175     for( i = 0; i < (MIN(nq,k)); i++ ) {
00176         tau_i[i] = tau[i];
00177     }
00178     for( i = 0; i < ldc*n; i++ ) {
00179         c_i[i] = c_save[i];
00180     }
00181     for( i = 0; i < lwork; i++ ) {
00182         work_i[i] = work[i];
00183     }
00184     info_i = LAPACKE_sormbr( LAPACK_COL_MAJOR, vect_i, side_i, trans_i, m_i,
00185                              n_i, k_i, a_i, lda_i, tau_i, c_i, ldc_i );
00186 
00187     failed = compare_sormbr( c, c_i, info, info_i, ldc, n );
00188     if( failed == 0 ) {
00189         printf( "PASSED: column-major high-level interface to sormbr\n" );
00190     } else {
00191         printf( "FAILED: column-major high-level interface to sormbr\n" );
00192     }
00193 
00194     /* Initialize input data, call the row-major middle-level
00195      * interface to LAPACK routine and check the results */
00196     for( i = 0; i < lda*(MIN(nq,k)); i++ ) {
00197         a_i[i] = a[i];
00198     }
00199     for( i = 0; i < (MIN(nq,k)); i++ ) {
00200         tau_i[i] = tau[i];
00201     }
00202     for( i = 0; i < ldc*n; i++ ) {
00203         c_i[i] = c_save[i];
00204     }
00205     for( i = 0; i < lwork; i++ ) {
00206         work_i[i] = work[i];
00207     }
00208 
00209     LAPACKE_sge_trans( LAPACK_COL_MAJOR, r, MIN(nq, k ), a_i, lda, a_r, MIN(nq,
00210                        k)+2);
00211     LAPACKE_sge_trans( LAPACK_COL_MAJOR, m, n, c_i, ldc, c_r, n+2 );
00212     info_i = LAPACKE_sormbr_work( LAPACK_ROW_MAJOR, vect_i, side_i, trans_i,
00213                                   m_i, n_i, k_i, a_r, lda_r, tau_i, c_r, ldc_r,
00214                                   work_i, lwork_i );
00215 
00216     LAPACKE_sge_trans( LAPACK_ROW_MAJOR, m, n, c_r, n+2, c_i, ldc );
00217 
00218     failed = compare_sormbr( c, c_i, info, info_i, ldc, n );
00219     if( failed == 0 ) {
00220         printf( "PASSED: row-major middle-level interface to sormbr\n" );
00221     } else {
00222         printf( "FAILED: row-major middle-level interface to sormbr\n" );
00223     }
00224 
00225     /* Initialize input data, call the row-major high-level
00226      * interface to LAPACK routine and check the results */
00227     for( i = 0; i < lda*(MIN(nq,k)); i++ ) {
00228         a_i[i] = a[i];
00229     }
00230     for( i = 0; i < (MIN(nq,k)); i++ ) {
00231         tau_i[i] = tau[i];
00232     }
00233     for( i = 0; i < ldc*n; i++ ) {
00234         c_i[i] = c_save[i];
00235     }
00236     for( i = 0; i < lwork; i++ ) {
00237         work_i[i] = work[i];
00238     }
00239 
00240     /* Init row_major arrays */
00241     LAPACKE_sge_trans( LAPACK_COL_MAJOR, r, MIN(nq, k ), a_i, lda, a_r, MIN(nq,
00242                        k)+2);
00243     LAPACKE_sge_trans( LAPACK_COL_MAJOR, m, n, c_i, ldc, c_r, n+2 );
00244     info_i = LAPACKE_sormbr( LAPACK_ROW_MAJOR, vect_i, side_i, trans_i, m_i,
00245                              n_i, k_i, a_r, lda_r, tau_i, c_r, ldc_r );
00246 
00247     LAPACKE_sge_trans( LAPACK_ROW_MAJOR, m, n, c_r, n+2, c_i, ldc );
00248 
00249     failed = compare_sormbr( c, c_i, info, info_i, ldc, n );
00250     if( failed == 0 ) {
00251         printf( "PASSED: row-major high-level interface to sormbr\n" );
00252     } else {
00253         printf( "FAILED: row-major high-level interface to sormbr\n" );
00254     }
00255 
00256     /* Release memory */
00257     if( a != NULL ) {
00258         LAPACKE_free( a );
00259     }
00260     if( a_i != NULL ) {
00261         LAPACKE_free( a_i );
00262     }
00263     if( a_r != NULL ) {
00264         LAPACKE_free( a_r );
00265     }
00266     if( tau != NULL ) {
00267         LAPACKE_free( tau );
00268     }
00269     if( tau_i != NULL ) {
00270         LAPACKE_free( tau_i );
00271     }
00272     if( c != NULL ) {
00273         LAPACKE_free( c );
00274     }
00275     if( c_i != NULL ) {
00276         LAPACKE_free( c_i );
00277     }
00278     if( c_r != NULL ) {
00279         LAPACKE_free( c_r );
00280     }
00281     if( c_save != NULL ) {
00282         LAPACKE_free( c_save );
00283     }
00284     if( work != NULL ) {
00285         LAPACKE_free( work );
00286     }
00287     if( work_i != NULL ) {
00288         LAPACKE_free( work_i );
00289     }
00290 
00291     return 0;
00292 }
00293 
00294 /* Auxiliary function: sormbr scalar parameters initialization */
00295 static void init_scalars_sormbr( char *vect, char *side, char *trans,
00296                                  lapack_int *m, lapack_int *n, lapack_int *k,
00297                                  lapack_int *lda, lapack_int *ldc,
00298                                  lapack_int *lwork )
00299 {
00300     *vect = 'Q';
00301     *side = 'R';
00302     *trans = 'N';
00303     *m = 6;
00304     *n = 4;
00305     *k = 4;
00306     *lda = 8;
00307     *ldc = 8;
00308     *lwork = 1024;
00309 
00310     return;
00311 }
00312 
00313 /* Auxiliary functions: sormbr array parameters initialization */
00314 static void init_a( lapack_int size, float *a ) {
00315     lapack_int i;
00316     for( i = 0; i < size; i++ ) {
00317         a[i] = 0;
00318     }
00319     a[0] = 3.617678881e+000;  /* a[0,0] */
00320     a[8] = 1.258711457e+000;  /* a[0,1] */
00321     a[16] = -4.667885602e-001;  /* a[0,2] */
00322     a[24] = -4.109506011e-001;  /* a[0,3] */
00323     a[1] = 0.000000000e+000;  /* a[1,0] */
00324     a[9] = -2.416055441e+000;  /* a[1,1] */
00325     a[17] = -1.526155114e+000;  /* a[1,2] */
00326     a[25] = -2.094555795e-001;  /* a[1,3] */
00327     a[2] = 0.000000000e+000;  /* a[2,0] */
00328     a[10] = 2.040916309e-002;  /* a[2,1] */
00329     a[18] = 1.921310782e+000;  /* a[2,2] */
00330     a[26] = 1.189466834e+000;  /* a[2,3] */
00331     a[3] = 0.000000000e+000;  /* a[3,0] */
00332     a[11] = -3.216264248e-001;  /* a[3,1] */
00333     a[19] = 1.342281103e-001;  /* a[3,2] */
00334     a[27] = -1.426501751e+000;  /* a[3,3] */
00335 }
00336 static void init_tau( lapack_int size, float *tau ) {
00337     lapack_int i;
00338     for( i = 0; i < size; i++ ) {
00339         tau[i] = 0;
00340     }
00341     tau[0] = 0.000000000e+000;
00342     tau[1] = 1.811823726e+000;
00343     tau[2] = 1.964603305e+000;
00344     tau[3] = 0.000000000e+000;
00345 }
00346 static void init_c( lapack_int size, float *c ) {
00347     lapack_int i;
00348     for( i = 0; i < size; i++ ) {
00349         c[i] = 0;
00350     }
00351     c[0] = -1.575596333e-001;  /* c[0,0] */
00352     c[8] = 6.743814945e-001;  /* c[0,1] */
00353     c[16] = -4.571500421e-001;  /* c[0,2] */
00354     c[24] = 4.488516748e-001;  /* c[0,3] */
00355     c[1] = -5.334912539e-001;  /* c[1,0] */
00356     c[9] = -3.861090243e-001;  /* c[1,1] */
00357     c[17] = 2.582527399e-001;  /* c[1,2] */
00358     c[25] = 3.898173869e-001;  /* c[1,3] */
00359     c[2] = 6.357668042e-001;  /* c[2,0] */
00360     c[10] = -2.928230762e-001;  /* c[2,1] */
00361     c[18] = 1.653843932e-002;  /* c[2,2] */
00362     c[26] = 1.929529309e-001;  /* c[2,3] */
00363     c[3] = -5.334912539e-001;  /* c[3,0] */
00364     c[11] = -1.691546589e-001;  /* c[3,1] */
00365     c[19] = -8.342742920e-002;  /* c[3,2] */
00366     c[27] = -2.349872589e-001;  /* c[3,3] */
00367     c[4] = 4.146305099e-002;  /* c[4,0] */
00368     c[12] = -1.593027860e-001;  /* c[4,1] */
00369     c[20] = 1.474783123e-001;  /* c[4,2] */
00370     c[28] = 7.436407804e-001;  /* c[4,3] */
00371     c[5] = -5.528406706e-003;  /* c[5,0] */
00372     c[13] = -5.063529611e-001;  /* c[5,1] */
00373     c[21] = -8.338680863e-001;  /* c[5,2] */
00374     c[29] = 3.351286054e-002;  /* c[5,3] */
00375 }
00376 static void init_work( lapack_int size, float *work ) {
00377     lapack_int i;
00378     for( i = 0; i < size; i++ ) {
00379         work[i] = 0;
00380     }
00381 }
00382 
00383 /* Auxiliary function: C interface to sormbr results check */
00384 /* Return value: 0 - test is passed, non-zero - test is failed */
00385 static int compare_sormbr( float *c, float *c_i, lapack_int info,
00386                            lapack_int info_i, lapack_int ldc, lapack_int n )
00387 {
00388     lapack_int i;
00389     int failed = 0;
00390     for( i = 0; i < ldc*n; i++ ) {
00391         failed += compare_floats(c[i],c_i[i]);
00392     }
00393     failed += (info == info_i) ? 0 : 1;
00394     if( info != 0 || info_i != 0 ) {
00395         printf( "info=%d, info_i=%d\n",(int)info,(int)info_i );
00396     }
00397 
00398     return failed;
00399 }


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