001/* 002 * $Id: GroebnerBaseSeqPairParTest.java 5048 2014-12-30 17:45:01Z kredel $ 003 */ 004 005package edu.jas.gb; 006 007 008// import edu.jas.poly.GroebnerBase; 009 010import java.io.IOException; 011import java.io.Reader; 012import java.io.StringReader; 013import java.util.ArrayList; 014import java.util.List; 015 016import junit.framework.Test; 017import junit.framework.TestCase; 018import junit.framework.TestSuite; 019 020import org.apache.log4j.BasicConfigurator; 021// import org.apache.log4j.Logger; 022 023import edu.jas.arith.BigRational; 024import edu.jas.poly.GenPolynomial; 025import edu.jas.poly.GenPolynomialRing; 026import edu.jas.poly.GenPolynomialTokenizer; 027import edu.jas.poly.PolynomialList; 028 029 030/** 031 * Groebner base parallel, sequential pair list, tests with JUnit. 032 * @author Heinz Kredel. 033 */ 034 035public class GroebnerBaseSeqPairParTest extends TestCase { 036 037 038 //private static final Logger logger = Logger.getLogger(GroebnerBaseSeqPairParTest.class); 039 040 /** 041 * main 042 */ 043 public static void main(String[] args) { 044 BasicConfigurator.configure(); 045 junit.textui.TestRunner.run(suite()); 046 } 047 048 049 /** 050 * Constructs a <CODE>GroebnerBaseSeqPairParTest</CODE> object. 051 * @param name String. 052 */ 053 public GroebnerBaseSeqPairParTest(String name) { 054 super(name); 055 } 056 057 058 /** 059 * suite. 060 */ 061 public static Test suite() { 062 TestSuite suite = new TestSuite(GroebnerBaseSeqPairParTest.class); 063 return suite; 064 } 065 066 067 GenPolynomialRing<BigRational> fac; 068 069 070 List<GenPolynomial<BigRational>> L; 071 072 073 PolynomialList<BigRational> F; 074 075 076 List<GenPolynomial<BigRational>> G; 077 078 079 GroebnerBaseAbstract<BigRational> bbseq; 080 081 082 GroebnerBaseAbstract<BigRational> bbpar; 083 084 085 GroebnerBaseAbstract<BigRational> bbspar; 086 087 088 GenPolynomial<BigRational> a; 089 090 091 GenPolynomial<BigRational> b; 092 093 094 GenPolynomial<BigRational> c; 095 096 097 GenPolynomial<BigRational> d; 098 099 100 GenPolynomial<BigRational> e; 101 102 103 int rl = 3; //4; //3; 104 105 106 int kl = 10; 107 108 109 int ll = 7; 110 111 112 int el = 3; 113 114 115 float q = 0.2f; //0.4f 116 117 118 int threads = 2; 119 120 121 @Override 122 protected void setUp() { 123 BigRational coeff = new BigRational(9); 124 fac = new GenPolynomialRing<BigRational>(coeff, rl); 125 a = b = c = d = e = null; 126 bbseq = new GroebnerBaseSeq<BigRational>(); 127 bbpar = new GroebnerBaseParallel<BigRational>(threads); 128 bbspar = new GroebnerBaseSeqPairParallel<BigRational>(threads); 129 } 130 131 132 @Override 133 protected void tearDown() { 134 a = b = c = d = e = null; 135 fac = null; 136 bbseq = null; 137 bbpar.terminate(); 138 bbpar = null; 139 bbspar.terminate(); 140 bbspar = null; 141 } 142 143 144 /** 145 * Test parallel GBase. 146 * 147 */ 148 public void testSeqPairParallelGBase() { 149 150 L = new ArrayList<GenPolynomial<BigRational>>(); 151 152 a = fac.random(kl, ll, el, q); 153 b = fac.random(kl, ll, el, q); 154 c = fac.random(kl, ll, el, q); 155 d = fac.random(kl, ll, el, q); 156 e = d; //fac.random(kl, ll, el, q ); 157 158 if (a.isZERO() || b.isZERO() || c.isZERO() || d.isZERO()) { 159 return; 160 } 161 162 assertTrue("not isZERO( a )", !a.isZERO()); 163 L.add(a); 164 165 L = bbspar.GB(L); 166 assertTrue("isGB( { a } )", bbspar.isGB(L)); 167 168 assertTrue("not isZERO( b )", !b.isZERO()); 169 L.add(b); 170 //System.out.println("L = " + L.size() ); 171 172 L = bbspar.GB(L); 173 assertTrue("isGB( { a, b } )", bbspar.isGB(L)); 174 175 assertTrue("not isZERO( c )", !c.isZERO()); 176 L.add(c); 177 178 L = bbspar.GB(L); 179 assertTrue("isGB( { a, b, c } )", bbspar.isGB(L)); 180 181 assertTrue("not isZERO( d )", !d.isZERO()); 182 L.add(d); 183 184 L = bbspar.GB(L); 185 assertTrue("isGB( { a, b, c, d } )", bbspar.isGB(L)); 186 187 assertTrue("not isZERO( e )", !e.isZERO()); 188 L.add(e); 189 190 L = bbspar.GB(L); 191 assertTrue("isGB( { a, b, c, d, e } )", bbspar.isGB(L)); 192 } 193 194 195 /** 196 * Test compare sequential with parallel GBase. 197 * 198 */ 199 public void testSequentialSeqPairParallelGBase() { 200 201 List<GenPolynomial<BigRational>> Gs, Gp; 202 203 L = new ArrayList<GenPolynomial<BigRational>>(); 204 205 a = fac.random(kl, ll, el, q); 206 b = fac.random(kl, ll, el, q); 207 c = fac.random(kl, ll, el, q); 208 d = fac.random(kl, ll, el, q); 209 e = d; //fac.random(kl, ll, el, q ); 210 211 if (a.isZERO() || b.isZERO() || c.isZERO() || d.isZERO()) { 212 return; 213 } 214 215 L.add(a); 216 Gs = bbseq.GB(L); 217 Gp = bbspar.GB(L); 218 219 assertTrue("Gs.containsAll(Gp)" + Gs + ", " + Gp, Gs.containsAll(Gp)); 220 assertTrue("Gp.containsAll(Gs)" + Gs + ", " + Gp, Gp.containsAll(Gs)); 221 222 L = Gs; 223 L.add(b); 224 Gs = bbseq.GB(L); 225 Gp = bbspar.GB(L); 226 227 assertTrue("Gs.containsAll(Gp)" + Gs + ", " + Gp, Gs.containsAll(Gp)); 228 assertTrue("Gp.containsAll(Gs)" + Gs + ", " + Gp, Gp.containsAll(Gs)); 229 230 L = Gs; 231 L.add(c); 232 Gs = bbseq.GB(L); 233 Gp = bbspar.GB(L); 234 235 assertTrue("Gs.containsAll(Gp)" + Gs + ", " + Gp, Gs.containsAll(Gp)); 236 assertTrue("Gp.containsAll(Gs)" + Gs + ", " + Gp, Gp.containsAll(Gs)); 237 238 L = Gs; 239 L.add(d); 240 Gs = bbseq.GB(L); 241 Gp = bbspar.GB(L); 242 243 assertTrue("Gs.containsAll(Gp)" + Gs + ", " + Gp, Gs.containsAll(Gp)); 244 assertTrue("Gp.containsAll(Gs)" + Gs + ", " + Gp, Gp.containsAll(Gs)); 245 246 L = Gs; 247 L.add(e); 248 Gs = bbseq.GB(L); 249 Gp = bbspar.GB(L); 250 251 assertTrue("Gs.containsAll(Gp)" + Gs + ", " + Gp, Gs.containsAll(Gp)); 252 assertTrue("Gp.containsAll(Gs)" + Gs + ", " + Gp, Gp.containsAll(Gs)); 253 } 254 255 256 /** 257 * Test compare parallel with sequential pair parallel GBase. 258 * 259 */ 260 public void testParallelSeqPairParallelGBase() { 261 262 List<GenPolynomial<BigRational>> Gs, Gp; 263 264 L = new ArrayList<GenPolynomial<BigRational>>(); 265 266 a = fac.random(kl, ll, el, q); 267 b = fac.random(kl, ll, el, q); 268 c = fac.random(kl, ll, el, q); 269 d = fac.random(kl, ll, el, q); 270 e = d; //fac.random(kl, ll, el, q ); 271 272 if (a.isZERO() || b.isZERO() || c.isZERO() || d.isZERO()) { 273 return; 274 } 275 276 L.add(a); 277 Gs = bbpar.GB(L); 278 Gp = bbspar.GB(L); 279 280 assertTrue("Gs.containsAll(Gp) " + Gs + ", " + Gp, Gs.containsAll(Gp)); 281 assertTrue("Gp.containsAll(Gs) " + Gs + ", " + Gp, Gp.containsAll(Gs)); 282 283 L = Gs; 284 L.add(b); 285 Gs = bbpar.GB(L); 286 Gp = bbspar.GB(L); 287 288 assertTrue("Gs.containsAll(Gp) " + Gs + ", " + Gp, Gs.containsAll(Gp)); 289 assertTrue("Gp.containsAll(Gs) " + Gs + ", " + Gp, Gp.containsAll(Gs)); 290 291 L = Gs; 292 L.add(c); 293 Gs = bbpar.GB(L); 294 Gp = bbspar.GB(L); 295 296 assertTrue("Gs.containsAll(Gp) " + Gs + ", " + Gp, Gs.containsAll(Gp)); 297 assertTrue("Gp.containsAll(Gs) " + Gs + ", " + Gp, Gp.containsAll(Gs)); 298 299 L = Gs; 300 L.add(d); 301 Gs = bbpar.GB(L); 302 Gp = bbspar.GB(L); 303 304 assertTrue("Gs.containsAll(Gp) " + Gs + ", " + Gp, Gs.containsAll(Gp)); 305 assertTrue("Gp.containsAll(Gs) " + Gs + ", " + Gp, Gp.containsAll(Gs)); 306 307 L = Gs; 308 L.add(e); 309 Gs = bbpar.GB(L); 310 Gp = bbspar.GB(L); 311 312 assertTrue("Gs.containsAll(Gp) " + Gs + ", " + Gp, Gs.containsAll(Gp)); 313 assertTrue("Gp.containsAll(Gs) " + Gs + ", " + Gp, Gp.containsAll(Gs)); 314 } 315 316 317 /** 318 * Test Trinks7 GBase. 319 * 320 */ 321 @SuppressWarnings("cast") 322 public void testTrinks7GBase() { 323 String exam = "(B,S,T,Z,P,W) L " + "( " + "( 45 P + 35 S - 165 B - 36 ), " 324 + "( 35 P + 40 Z + 25 T - 27 S ), " + "( 15 W + 25 S P + 30 Z - 18 T - 165 B**2 ), " 325 + "( - 9 W + 15 T P + 20 S Z ), " + "( P W + 2 T Z - 11 B**3 ), " 326 + "( 99 W - 11 B S + 3 B**2 ) " + ", ( B**2 + 33/50 B + 2673/10000 ) " + ") "; 327 Reader source = new StringReader(exam); 328 GenPolynomialTokenizer parser = new GenPolynomialTokenizer(source); 329 try { 330 F = (PolynomialList<BigRational>) parser.nextPolynomialSet(); 331 } catch (ClassCastException e) { 332 fail("" + e); 333 } catch (IOException e) { 334 fail("" + e); 335 } 336 //System.out.println("F = " + F); 337 338 long t; 339 /* 340 t = System.currentTimeMillis(); 341 G = bbseq.GB( F.list ); 342 t = System.currentTimeMillis() - t; 343 System.out.println("bbseq ms = " + t); 344 t = System.currentTimeMillis(); 345 G = bbpar.GB( F.list ); 346 t = System.currentTimeMillis() - t; 347 System.out.println("bbpar ms = " + t); 348 */ 349 t = System.currentTimeMillis(); 350 G = bbspar.GB(F.list); 351 t = System.currentTimeMillis() - t; 352 //System.out.println("bbspar ms = " + t); 353 assertTrue("nonsense ", t >= 0L); 354 355 assertTrue("isGB( GB(Trinks7) )", bbspar.isGB(G)); 356 assertEquals("#GB(Trinks7) == 6", 6, G.size()); 357 //PolynomialList<BigRational> trinks = new PolynomialList<BigRational>(F.ring,G); 358 //System.out.println("G = " + trinks); 359 } 360 361}