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00049 #include <stdio.h>
00050 #include "lapacke.h"
00051 #include "lapacke_utils.h"
00052 #include "test_utils.h"
00053
00054 static void init_scalars_ssptrf( char *uplo, lapack_int *n );
00055 static void init_ap( lapack_int size, float *ap );
00056 static void init_ipiv( lapack_int size, lapack_int *ipiv );
00057 static int compare_ssptrf( float *ap, float *ap_i, lapack_int *ipiv,
00058 lapack_int *ipiv_i, lapack_int info,
00059 lapack_int info_i, lapack_int n );
00060
00061 int main(void)
00062 {
00063
00064 char uplo, uplo_i;
00065 lapack_int n, n_i;
00066 lapack_int info, info_i;
00067 lapack_int i;
00068 int failed;
00069
00070
00071 float *ap = NULL, *ap_i = NULL;
00072 lapack_int *ipiv = NULL, *ipiv_i = NULL;
00073 float *ap_save = NULL;
00074 lapack_int *ipiv_save = NULL;
00075 float *ap_r = NULL;
00076
00077
00078 init_scalars_ssptrf( &uplo, &n );
00079 uplo_i = uplo;
00080 n_i = n;
00081
00082
00083 ap = (float *)LAPACKE_malloc( ((n*(n+1)/2)) * sizeof(float) );
00084 ipiv = (lapack_int *)LAPACKE_malloc( n * sizeof(lapack_int) );
00085
00086
00087 ap_i = (float *)LAPACKE_malloc( ((n*(n+1)/2)) * sizeof(float) );
00088 ipiv_i = (lapack_int *)LAPACKE_malloc( n * sizeof(lapack_int) );
00089
00090
00091 ap_save = (float *)LAPACKE_malloc( ((n*(n+1)/2)) * sizeof(float) );
00092 ipiv_save = (lapack_int *)LAPACKE_malloc( n * sizeof(lapack_int) );
00093
00094
00095 ap_r = (float *)LAPACKE_malloc( n*(n+1)/2 * sizeof(float) );
00096
00097
00098 init_ap( (n*(n+1)/2), ap );
00099 init_ipiv( n, ipiv );
00100
00101
00102 for( i = 0; i < (n*(n+1)/2); i++ ) {
00103 ap_save[i] = ap[i];
00104 }
00105 for( i = 0; i < n; i++ ) {
00106 ipiv_save[i] = ipiv[i];
00107 }
00108
00109
00110 ssptrf_( &uplo, &n, ap, ipiv, &info );
00111
00112
00113
00114 for( i = 0; i < (n*(n+1)/2); i++ ) {
00115 ap_i[i] = ap_save[i];
00116 }
00117 for( i = 0; i < n; i++ ) {
00118 ipiv_i[i] = ipiv_save[i];
00119 }
00120 info_i = LAPACKE_ssptrf_work( LAPACK_COL_MAJOR, uplo_i, n_i, ap_i, ipiv_i );
00121
00122 failed = compare_ssptrf( ap, ap_i, ipiv, ipiv_i, info, info_i, n );
00123 if( failed == 0 ) {
00124 printf( "PASSED: column-major middle-level interface to ssptrf\n" );
00125 } else {
00126 printf( "FAILED: column-major middle-level interface to ssptrf\n" );
00127 }
00128
00129
00130
00131 for( i = 0; i < (n*(n+1)/2); i++ ) {
00132 ap_i[i] = ap_save[i];
00133 }
00134 for( i = 0; i < n; i++ ) {
00135 ipiv_i[i] = ipiv_save[i];
00136 }
00137 info_i = LAPACKE_ssptrf( LAPACK_COL_MAJOR, uplo_i, n_i, ap_i, ipiv_i );
00138
00139 failed = compare_ssptrf( ap, ap_i, ipiv, ipiv_i, info, info_i, n );
00140 if( failed == 0 ) {
00141 printf( "PASSED: column-major high-level interface to ssptrf\n" );
00142 } else {
00143 printf( "FAILED: column-major high-level interface to ssptrf\n" );
00144 }
00145
00146
00147
00148 for( i = 0; i < (n*(n+1)/2); i++ ) {
00149 ap_i[i] = ap_save[i];
00150 }
00151 for( i = 0; i < n; i++ ) {
00152 ipiv_i[i] = ipiv_save[i];
00153 }
00154
00155 LAPACKE_spp_trans( LAPACK_COL_MAJOR, uplo, n, ap_i, ap_r );
00156 info_i = LAPACKE_ssptrf_work( LAPACK_ROW_MAJOR, uplo_i, n_i, ap_r, ipiv_i );
00157
00158 LAPACKE_spp_trans( LAPACK_ROW_MAJOR, uplo, n, ap_r, ap_i );
00159
00160 failed = compare_ssptrf( ap, ap_i, ipiv, ipiv_i, info, info_i, n );
00161 if( failed == 0 ) {
00162 printf( "PASSED: row-major middle-level interface to ssptrf\n" );
00163 } else {
00164 printf( "FAILED: row-major middle-level interface to ssptrf\n" );
00165 }
00166
00167
00168
00169 for( i = 0; i < (n*(n+1)/2); i++ ) {
00170 ap_i[i] = ap_save[i];
00171 }
00172 for( i = 0; i < n; i++ ) {
00173 ipiv_i[i] = ipiv_save[i];
00174 }
00175
00176
00177 LAPACKE_spp_trans( LAPACK_COL_MAJOR, uplo, n, ap_i, ap_r );
00178 info_i = LAPACKE_ssptrf( LAPACK_ROW_MAJOR, uplo_i, n_i, ap_r, ipiv_i );
00179
00180 LAPACKE_spp_trans( LAPACK_ROW_MAJOR, uplo, n, ap_r, ap_i );
00181
00182 failed = compare_ssptrf( ap, ap_i, ipiv, ipiv_i, info, info_i, n );
00183 if( failed == 0 ) {
00184 printf( "PASSED: row-major high-level interface to ssptrf\n" );
00185 } else {
00186 printf( "FAILED: row-major high-level interface to ssptrf\n" );
00187 }
00188
00189
00190 if( ap != NULL ) {
00191 LAPACKE_free( ap );
00192 }
00193 if( ap_i != NULL ) {
00194 LAPACKE_free( ap_i );
00195 }
00196 if( ap_r != NULL ) {
00197 LAPACKE_free( ap_r );
00198 }
00199 if( ap_save != NULL ) {
00200 LAPACKE_free( ap_save );
00201 }
00202 if( ipiv != NULL ) {
00203 LAPACKE_free( ipiv );
00204 }
00205 if( ipiv_i != NULL ) {
00206 LAPACKE_free( ipiv_i );
00207 }
00208 if( ipiv_save != NULL ) {
00209 LAPACKE_free( ipiv_save );
00210 }
00211
00212 return 0;
00213 }
00214
00215
00216 static void init_scalars_ssptrf( char *uplo, lapack_int *n )
00217 {
00218 *uplo = 'L';
00219 *n = 4;
00220
00221 return;
00222 }
00223
00224
00225 static void init_ap( lapack_int size, float *ap ) {
00226 lapack_int i;
00227 for( i = 0; i < size; i++ ) {
00228 ap[i] = 0;
00229 }
00230 ap[0] = 2.069999933e+000;
00231 ap[1] = 3.869999886e+000;
00232 ap[2] = 4.199999809e+000;
00233 ap[3] = -1.149999976e+000;
00234 ap[4] = -2.099999934e-001;
00235 ap[5] = 1.870000005e+000;
00236 ap[6] = 6.299999952e-001;
00237 ap[7] = 1.149999976e+000;
00238 ap[8] = 2.059999943e+000;
00239 ap[9] = -1.809999943e+000;
00240 }
00241 static void init_ipiv( lapack_int size, lapack_int *ipiv ) {
00242 lapack_int i;
00243 for( i = 0; i < size; i++ ) {
00244 ipiv[i] = 0;
00245 }
00246 }
00247
00248
00249
00250 static int compare_ssptrf( float *ap, float *ap_i, lapack_int *ipiv,
00251 lapack_int *ipiv_i, lapack_int info,
00252 lapack_int info_i, lapack_int n )
00253 {
00254 lapack_int i;
00255 int failed = 0;
00256 for( i = 0; i < (n*(n+1)/2); i++ ) {
00257 failed += compare_floats(ap[i],ap_i[i]);
00258 }
00259 for( i = 0; i < n; i++ ) {
00260 failed += (ipiv[i] == ipiv_i[i]) ? 0 : 1;
00261 }
00262 failed += (info == info_i) ? 0 : 1;
00263 if( info != 0 || info_i != 0 ) {
00264 printf( "info=%d, info_i=%d\n",(int)info,(int)info_i );
00265 }
00266
00267 return failed;
00268 }