3 load("hypergeometric"),
4 expand_hypergeometric : false,
6 start : absolute_real_time (),
9 errcatch(max_fpprec : %pi);
15 errcatch(expand_hypergeometric : 42);
18 expand_hypergeometric;
21 /* argument length checks */
23 errcatch(hypergeometric([3],[10]));
26 errcatch(hypergeometric());
29 errcatch(hypergeometric([]));
32 /* 0F0 simplification */
33 hypergeometric([],[],x);
36 /* 1F0 simplification */
37 hypergeometric([a],[],x);
40 hypergeometric([-5],[],x);
43 hypergeometric([%i],[],x);
46 /* sort and remove parameters */
48 hypergeometric([a,a],[b],x);
49 hypergeometric([a,a],[b],x)$
51 hypergeometric([a,a],[a],x);
54 hypergeometric([a,a],[a,b],x);
55 hypergeometric([a],[b],x)$
57 hypergeometric([a,b],[c,d],0);
61 hypergeometric([5/3, 42],[%i, 23],0);
64 hypergeometric([5/3, 7.892],[%i, 23],0.0);
67 hypergeometric([5/3, 7.892],[%i, 23],0.0b0);
70 hypergeometric([],[],0.5);
73 hypergeometric([],[],0.5b0);
76 hypergeometric([],[],0.5 + %i);
79 hypergeometric([],[],0.5b0 + %i);
82 hypergeometric([0],[],1);
85 hypergeometric([0,a],[b],x);
89 hypergeometric([7],[-9],x);
90 'hypergeometric([7],[-9],x)$
92 hypergeometric([inf],[-9],x);
93 'hypergeometric([inf],[-9],x);
95 hypergeometric([7],[8,9,minf],0);
96 'hypergeometric([7],[8,9,minf],0)$
99 hypergeometric([a],[b],-x) - hypergeometric([b-a],[b],x)*%e^(-x);
102 hypergeometric([a],[b],p-q) - hypergeometric([b-a],[b],q-p)*%e^(p-q);
105 /* polynomial cases (include taylor cases)*/
106 (fake_hg(a,b,x,n) := block([listarith : true],
107 sum(product(xreduce("*",a + l) * x /((1 + l) * xreduce("*", b + l)),l,0,k-1), k, 0,n)), 0)$
110 (expand_hypergeometric : true,0);
113 ratsimp(hypergeometric([-5,a],[b],x) - fake_hg([-5,a], [b],x, 6));
116 ratsimp(hypergeometric([-5,3/5],[],x) - fake_hg([-5,3/5], [],x, 6));
119 ratsimp(hypergeometric([-5,3/5 + %i],[1/12],x) - fake_hg([-5,3/5 + %i], [1/12],x, 6));
122 ratsimp(hypergeometric([-5,3/5 + %i],[1/12], 4/3) - fake_hg([-5,3/5 + %i], [1/12], 4/3, 6));
125 (expand_hypergeometric : false,0);
128 ratsimp(hypergeometric([-5,3/5 + %i],[1/12], 4/3 + %i/9) - fake_hg([-5,3/5 + %i], [1/12], 4/3 + %i/9, 6));
131 hypergeometric([9,3],[1/2], taylor(x,x,0,3)) - fake_hg([9,3],[1/2], taylor(x,x,0,3),3);
134 hypergeometric([2,3,5],[8,8,74], taylor(x,x,0,4)) - fake_hg([2,3,5],[8,8,74], taylor(x,x,0,4),5);
137 /* Exp doesn't taylorize; this isn't a bug in hypergeometric */
138 hypergeometric([],[], taylor(x,x,0,5)) - exp(x);
141 hypergeometric([3/8],[], taylor(x,x,0,5)) - 1/(1-x)^(3/8);
144 /* Chu-Vandermonde identity */
145 sublis([a = 1/2, b = -2/3, c = 12, x = 1],
146 hypergeometric([a,b],[c],x) - gamma(c) * gamma(c - a - b) / (gamma(c-a) * gamma (c-b)));
149 sublis([a = 1/2, b = -2/3, c = 121/10, x = 1],
150 hypergeometric([a,b],[c],x) - gamma(c) * gamma(c - a - b) / (gamma(c-a) * gamma (c-b)));
155 (fpprec : 20, close_p(a,b, dig) := is(abs(a-b) < 10^-dig * abs(a)),0);
158 (check_id(id, xo, dig) := close_p(rectform(sublis(xo, rhs(id))), rectform(sublis(xo, lhs(id))), dig),0);
161 close_p(hypergeometric([-30,1/2], [4,2 + %i], 1/2), hypergeometric([-30,1/2], [4,2 + %i],0.5b0), 20);
164 close_p(hypergeometric([-75,1/2], [1/2,2 + %i], 1/2),hypergeometric([-75,1/2], [1/2,2 + %i], 0.5b0), 17);
167 (id : hypergeometric([1/2,1/2],[3/2],z^2) = asin(z)/z,0);
170 check_id(id, [z= 0.1], 13);
173 check_id(id, [z=0.1 + 0.2 * %i], 13);
176 check_id(id, [z=-0.99b0], 18);
180 (id : hypergeometric([-n/2,-(n-1)/2],[1/2], z^2) = ((1 + z)^n + (1- z)^n)/2,0);
183 check_id(id, [z=0.42, n = 11], 15);
186 check_id(id, [z=0.42b0 * %i, n = 21], 15);
189 check_id(id, [z=0.42b0 * %i, n = 37], 15);
194 (id : hypergeometric([1,1],[2],-z) = log(1 + z) / z,0);
197 check_id(id, [z = -0.99b0], 20);
200 check_id(id, [z = 0.99b0], 20);
203 check_id(id, [z = 0.056b0 - 0.1b0 * %i], 18);
206 check_id(id, [z = 0.042b0 - 0.1b0 * %i], 18);
209 (id : hypergeometric([100],[2],x) = hgfred([100],[2],x),0);
212 check_id(id,[x = 0.9],13);
215 abramowitz_id(abramowitz_id(hypergeometric([a,b],[c],x), "15.3.3"), "15.3.3");
216 hypergeometric([a,b],[c],x)$
218 abramowitz_id(abramowitz_id(hypergeometric([6,2],[9],x), "15.3.3"), "15.3.3");
219 hypergeometric([6,2],[9],x)$
222 hypergeom([2308094809027379/562949953421312,6980579422424269/562949953421312],
223 [2871044762448691/562949953421312],-5685794529555251/562949953421312);
226 close_p(hypergeometric([4.1, 12.4],[5.1], -10.1), float(1.8514804991703517693765213431502813b-7), 14);
231 block([expand_hypergeometric : false], hypergeometric([-4,5],[7],x));
232 hypergeometric([-4,5],[7],x)$
234 block([expand_hypergeometric : true], hypergeometric([-4,5],[7],x));
235 x^4/3-(5*x^3)/3+(45*x^2)/14-(20*x)/7+1$
237 hypergeometric([-4,5],[7],2/3);
240 hypergeometric([-4,5],[7],2/(1 + %i));
243 hypergeometric([-6],[2], rat(x));
244 ''(rat((x^6-42*x^5+630*x^4-4200*x^3+12600*x^2-15120*x+5040)/5040))$
246 hypergeometric_simp(hypergeometric([2,1],[3],x));
247 -2*(log(1-x)/x+1/x+(log(1-x)*(1-x))/x^2)$
249 hypergeometric_simp(hypergeometric([a,b],[c],x));
250 hypergeometric([a,b],[c],x)$
254 conjugate(hypergeometric([a],[c],x + %i*y));
255 hypergeometric([a],[c],x - %i*y)$
257 conjugate(hypergeometric([%i],[c,d],x + %i*y));
258 hypergeometric([-%i],[c,d],x - %i*y)$
260 conjugate(hypergeometric([%i],[%i-5,d],x + %i*y));
261 hypergeometric([-%i],[-%i-5,d],x - %i*y)$
263 /* Kummer transformation */
264 hypergeometric([a],[b],-x);
265 hypergeometric([b-a],[b],x)*%e^(-x)$
267 hypergeometric([b-a],[b],x)*%e^(-x) - hypergeometric([a],[b],-x);
272 diff(hypergeometric([a,b],[c],x),x);
273 (a*hypergeometric([a+1,b+1],[c+1],x)*b)/c$
275 diff(hypergeometric([a,b],[],x),x);
276 a*hypergeometric([a+1,b+1],[],x)*b$
278 errcatch(diff(hypergeometric([a,b],[c],x),a));
281 errcatch(diff(hypergeometric([x,b],[c],x),x));
284 rationalize(hypergeometric([3,5],[12],1.0));
285 ''(limit(hgfred([3,5],[12],x),x,1))$
287 /* http://functions.wolfram.com/webMathematica/FunctionEvaluation.jsp?name=Hypergeometric2F1 */
289 close_p(hypergeometric([10,1/2],[4/5],11.34), 1.3549350983566885E-11 - 0.0378552663235813 * %i, 14);
292 hypergeometric([-10, 4.1],[%i], -10.1 + %i);
293 1.045909655864634E13 + 3.8059389422734617E13 * %i$
295 hypergeometric([3.4, 5.6],[0.9], 1.01);
296 5.5055743253266464E17 -1.7888695373728154E17 * %i$
298 (fpprec : 20, hypergeometric([2,4],[7.1b0],5.6b0 + %i));
299 0.08245572273577160061b0 - 0.34771832247673618857b0*%i$
301 (fpprec : 20, hypergeometric([2,4],[7.1b0],5.6b0));
302 0.26986105349383515333b0 + 0.35425557684972100084b0*%i$
304 z : float(hypergeometric([-100,1/2],[4/5 + %i], 13/10));
305 0.05884530173873348*%i+0.062826546005002537$
307 hypergeometric([-100,1/2],[4/5 + %i], 1.3);
308 0.05884530173873348*%i+0.062826546005002537$
310 z : float(hypergeometric([-10, 41/10],[%i], -101/10 + %i));
311 1.0459096558646348E13 + %i * 3.8059389422734648E13$
313 hypergeometric([-10, 4.1],[%i], -10.1 + %i);
314 1.0459096558646348E13 + %i * 3.8059389422734648E13$
316 abramowitz_id(hypergeometric([a,b],[c],x),"15.3.4");
317 hypergeometric([a,c-b],[c],x/(x-1))/(1-x)^a$
319 /* A&S 15.3.15 I think this is an identity off [1,inf) */
321 (remvalue(z), domain : complex, fpprec : 20, 0);
324 (id : hypergeometric([a,b],[2*b], x) = (1-x)^(-a/2) * hypergeometric([a/2, b-a/2],[b+1/2], x^2/(4*x - 4)),0);
327 check_id(id, [a = 1.56, b = 12.8, x = 1.067 + 0.001 * %i], 13);
330 check_id(id, [a = 1.56, b = 12.8, x = -100.42 - %i], 13);
333 check_id(id, [a = 1.56, b = 12.8, x = cos(42.0) + %i * sin(42.0)], 15);
336 check_id(id, [a = 1.56b0, b = 12.8b0, x = 1.067b0 + 0.001b0 * %i], 18);
339 check_id(id, [a = 1.56b0, b = 12.8b0, x = -100.42b0 - %i], 10);
342 check_id(id, [a = 1.56b0, b = 12.8b0, x = cos(42.0b0) + %i * sin(42.0b0)], 10);
347 (id : hypergeometric([a,b],[2*b],x)=(1-x/2)^(-a) * hypergeometric([a/2, 1/2 + a/2],[b + 1/2], x^2/(2-x)^2),0);
350 check_id(id, [a = -1.056b0, b = -1.8b0, x = -10.66b0 - %i], 18);
353 check_id(id, [a = -1.056b0, b = -1.8b0, x = cos(2.1b0) + %i * sin(2.1b0)], 18);
358 (id : hypergeometric([a,1-a],[c],x) = (1-x)^(c-1) * hypergeometric([(c-a)/2, (c + a -1)/2],[c],4*x-4*x^2),0);
361 check_id(id, [a = 0.056b0, c = -0.8b0, x = -101.7b0 + %i], 18);
364 check_id(id, [a = 0.056b0, c = -0.8b0, x = cos(2.1b0) + %i * sin(2.1b0)], 18);
369 (id : (b-a)*(1-x) * hypergeometric([a,b],[c],x) - (c-a) * hypergeometric([a-1,b],[c],x) +
370 (c-b) * hypergeometric([a,b-1],[c],x),0);
373 close_p(hypergeometric([1,1],[2],0.998b0), -log(1 - 0.998b0)/0.998b0, fpprec-1);
376 close_p(hypergeometric([1,1],[2],0.998), (-log(1 - 0.998)/0.998), 15);
379 /* Maple uses base ten floats, so comparing Maple to Maxima is tricky. To
380 compare a Maple result to Maxima, do:
382 (1) In Maxima, set fpprec and use rationalize to convert floats to rationals. For
383 big floats, the value of rationalize depends on fpprec, so be sure to set fpprec
384 to the desired value.
386 (2) In Maple, set Digits. Evaluate convert(hypergeom(...),float), where the arguments are
387 rationals determined in step 1.
389 Don't get me wrong: Maple does allow IEEE double floats, but Maple big floats (that is
390 non-doubles) are base ten, I think.
393 close_p(hypergeometric([1,1],[2], 0.999b0), -log(1-0.999b0)/0.999b0, fpprec-1);
396 close_p(hypergeometric([1,1],[2],1.3), -log(1-1.3)/1.3, 15);
399 close_p(hypergeometric([1,1],[2],1.3b0), -log(1-1.3b0)/1.3b0, fpprec-1);
402 hypergeometric([100],[2],0.9b0);
403 ''(nfloat(hgfred([100],[2],x),[x = 0.9b0], fpprec))$
405 is(abs(nfloat(id, [a = 2/3, b= 42, c = 27/7, x=-1776.0], 18)) < 1.0e-14);
408 /* actual regresssions */
410 diff(hypergeometric([a,b],[c,d],-x),x);
411 -(a*hypergeometric([a+1,b+1],[c+1,d+1],-x)*b)/(c*d)$
413 close_p(nfloat(hypergeometric([3.4],[7.8],'z), ['z = 5.67]), 18.61833264303484, 15);
416 block([max_fpprec : 2000], hypergeometric([101],[11], -1181.0b0));
417 ''(bfloat(sublis([x=-1181], hgfred([101],[11],x))))$
419 block([expand_hypergeometric : true], hypergeometric([-2],[2/3 + %i], x));
420 (9/442-189*%i/442)*x^2+(18*%i/13-12/13)*x+1$
422 /* Using doubles, this test causes an overflow. The code should switch to big floats.
423 Yes, the test is slow :(. */
425 hypergeometric([3],[8.7],-1000.1);
426 2.8986069810127266E-7$
428 block([fpprec : 25], hypergeometric([-1000],[2/3],-1181.0b0));
429 1.813981492619807238503838b731$
432 (id : (b-a) * hypergeometric([a-1],[b],x) + (2*a-b+x)*hypergeometric([a],[b],x)
433 - a * hypergeometric([a+1],[b],x),0);
436 is(abs(nfloat(id, [a=1.67, b = -56.5, x = -0.42], 15)) < 1.0e-14);
439 is(abs(nfloat(id, [a=1.67 + %i, b = -56.5, x = 10.42 + 11.88*%i], 15)) < 5.0e-14);
442 close_p(subst([a=1.67, b=56.1, x = -1.42], hypergeometric([a], [b], x) * (x - b + 2 * a)), -51.96358410181497,13);
445 close_p(subst([a=1.67, b=56.1, x = -1.42], hypergeometric([a], [b], x) * (x - b)), -55.16695012064225,13);
450 (id : hypergeometric([1/2,1/2],[3/2],-x^2) - log(x + sqrt(1+x^2)) / x,0);
453 is(abs(nfloat(id, [x = cos(-47.0) + %i * sin(-47.0)], 12)) < 10^-10);
458 (id : hypergeometric([1/2,1],[3/2],x^2) - log((1+x)/(1-x))/(2*x),0);
461 is(abs(nfloat(id, [x = exp(5.0 - 2.807 * %i)], 12)) < 10^-10);
464 is(abs(nfloat(id, [x = -10.7 + %i], 20)) < 10^-19);
467 is(abs(nfloat(id, [x = 28.07 + 0.01 * %i], 20)) < 10^-19);
471 close_p(nfloat(hypergeometric([1/2,1],[3/2], x), [x =cos(23.0) + %i * sin(23.0)], 18),
472 bfloat(rectform(hgfred([1/2,1],[3/2], cos(23) + %i * sin(23)))), 15);
478 is(abs(nfloat(id, [x = cos(-47.0b0) + %i * sin(-47.0b0)], 10)) < 10^-8);
481 hypergeometric([1/2,1/2],[3/2],10.0e6);
482 hypergeometric([1/2,1/2],[3/2],10.0e2);
483 hypergeometric([5.0b-1, 1.0b0],[1.5b0], 0.995b0);
484 is(abs(nfloat(id, [x = -1964.1b0], 20)) < 10^-20);
487 hypergeometric([1/2,1],[3/2], 2807.0);
488 ''(float(3.562945408378278793890989970521468894557558424951846558009b-4
489 - 2.964822314792439520081705392154987108698281707824080659881b-2 * %i))$
495 (id : determinant(wronskian([hypergeometric([a],[b],x), x^(1-b) * hypergeometric([1+a-b],[2-b],x)],x)) - (1-b)*x^(-b)*exp(x),0);
498 is(abs(nfloat(id, [a = 1.45, b=2.807, x=3.14159], 18)) < 10^-18);
501 is(abs(nfloat(id, [a = 1.45 - %i, b=-2.807, x=3.14159 + 3.14159*%i], 18)) < 10^-18);
504 is(abs(nfloat(id, [a = 1.45 - %i, b=-2.807, x=-19.13], 18)) < 10^-18);
508 (id : b * hypergeometric([a],[b],x) -b* hypergeometric([a-1],[b],x)-x*hypergeometric([a],[b+1],x),0);
511 is(abs(nfloat(id, [a = 10.45 - %i, b=-12.807, x=-29.13], 18)) < 10^-18);
515 (id : hypergeometric([nu+1/2],[2*nu+1],2*%i*x) - gamma(1+nu) * exp(%i*x) * (x/2)^(-nu) * bessel_j(nu,x),0);
518 is(abs(rectform(sublis([nu=6.7, x = 28.07],id))) < 1/10^18);
521 is(abs(float(rectform(sublis([nu=-6.01, x = -2.0 + 4.0 * %i ],id)))) < 1/10^14);
524 f : abramowitz_id(42*elliptic_kc(x*(x-1)), "a&s17.3.9-->");
525 21*%pi*hypergeometric([1/2,1/2],[1],(x-1)*x)$
527 abramowitz_id(f, "a&s17.3.9<--");
528 42*elliptic_kc(x*(x-1))$
530 f : abramowitz_id(42*elliptic_ec(x*(x-1)), "a&s17.3.10-->");
531 21*%pi*hypergeometric([-1/2,1/2],[1],(x-1)*x)$
533 abramowitz_id(f, "a&s17.3.10<--");
534 42*elliptic_ec((x-1)*x)$
536 f : abramowitz_id(elliptic_kc(p) + elliptic_ec(q), "a&s17.3.9-->", "a&s17.3.10-->");
537 %pi*hypergeometric([1/2,1/2],[1],p)/2+%pi*hypergeometric([-1/2,1/2],[1],q)/2$
539 abramowitz_id(f,"a&s17.3.9<--", "a&s17.3.10<--");
540 elliptic_kc(p) + elliptic_ec(q)$
542 (id : hypergeometric([3/2 + n/5, 2/3, -n, 2*n + 2],[n + 11/6, 4/3, n/5+1/2], 2/27) -
543 pochhammer(5/2,n) * pochhammer(11/6,n) / (pochhammer(3/2,n) * pochhammer(7/2,n)),0);
546 makelist(sublis([n = k], id), k,0,10);
547 ''(makelist(0,k,0,10))$
549 /* Value at 1/2; see http://en.wikipedia.org/wiki/List_of_hypergeometric_identities */
551 (id : hypergeometric([a,1-a],[c], 1/2) - gamma(c/2) * gamma(c/2 + 1/2)/(gamma(c/2 + a/2) *
552 gamma(1/2 + c/2 - a/2)),0);
555 is(abs(nfloat(id,[a=4/5, c = 2/3], 23)) < 1/10^23);
558 is(abs(nfloat(id,[a=28.07, c = 1909], 23)) < 1/10^23);
561 is(abs(nfloat(id,[a=-28.07 + %i, c = 19.09 - %i], 23)) < 1/10^18);
564 is(abs(nfloat(hypergeometric([1/6,1/2],[2/3],125/128) - 4 * 2^(1/6) / 3,[], 22)) < 1/10^22);
568 /* and just for fun */
569 taylor(hypergeometric([a+1,b],[c,d],x)*(((b-a-1)*x)/((c-a-1)*(d-a-1))-(c*d-2*a*d-2*d-2*a*c-2*c+3*a^2+7*a+4)/((c-a-1)*(d-a-1)))+hypergeometric([a+2,b],[c,d],x)*(((a+1)*x)/((c-a-1)*(d-a-1))-((a+1)*(d+c-3*a-5))/((c-a-1)*(d-a-1)))-((a+1)*(a+2)*hypergeometric([a+3,b],[c,d],x))/((c-a-1)*(d-a-1))+
570 hypergeometric([a,b],[c,d],x),x,0,15);
571 ''(taylor(0,x,0,15))$
575 hypergeometric([a],[],1);
576 hypergeometric([a],[],1)$
581 hypergeometric([a],[],1);
587 /* Integrals of hypergeometric functions */
588 integrate(hypergeometric([1],[2],z),z);
589 hypergeometric([1,1],[2,2],z)*z$
591 integrate(hypergeometric([a,b],[c],z),z);
592 hypergeometric([a-1,b-1],[c-1],z)*(c-1)/((a-1)*(b-1))$
594 integrate(hypergeometric([a,b],[c],2*z),z);
595 hypergeometric([a-1,b-1],[c-1],2*z)*(c-1)/(2*(a-1)*(b-1))$
597 /* next three tests regressions for Bug ID: 2949677 */
598 hypergeometric([-4, 38/5],[13/5],1);
601 close_p(hypergeometric([-4, 38/5],[13/5],1.0), 3125/6279, 14);
604 close_p(hypergeometric([-4, 38/5],[13/5],1.0b0), 3125/6279, fpprec-2);
607 /* Regression for Kummer reflection - ID: 2954141 */
609 hypergeometric([-2],[3],x), expand_hypergeometric : true;
612 hypergeometric([-2],[3],-x),expand_hypergeometric : true;
615 hypergeometric([-1],[-2],x), expand_hypergeometric : true;
619 /* regression: Unevaluated numerical hypergeometric() call - ID: 2996065 */
621 close_p(hypergeometric([-1/4,1/4],[1],16.0/25),0.95126303911614,15);
624 close_p(hypergeometric([1,1],[2], 0.998),6.227062222867928,15);
627 close_p(hypergeometric([1/2,-1/2],[1], 0.64), 0.812549610282201,15);
630 /* tests for new code for x near exp(%i * %pi / 3) */
632 close_p(hypergeometric([1/2,2/3],[6], 0.5b0+%i * sqrt(3.0b0)/2),
633 5.56090808176771804282797055039701904767032b-2*%i
634 +1.01996502902735430283851818152075979159011b0, fpprec-2);
637 close_p(hypergeometric([1/2,2/3],[6], 0.5b0 - %i * sqrt(3.0b0)/2),
638 -5.56090808176771804282797055039701904767032b-2*%i
639 +1.01996502902735430283851818152075979159011b0, fpprec-2);
642 /* tests aimed toward increasing code coverage*/
644 (remvalue(id,a,b,c,d,x,z,f),0);
647 conjugate(hypergeometric([1/2, 6],[9], 1/2 + %i/8));
648 hypergeometric([1/2, 6],[9], 1/2 - %i/8)$
650 conjugate(hypergeometric([a,b,c,d],[f], 8 + %i));
651 '(conjugate(hypergeometric([a,b,c,d],[f], 8 + %i)))$
653 block([fpprec : 20], close_p(hypergeometric([5/8],[], 1.97b0), nfloat(1/(1-x)^(5/8),[x = 1.97b0],20), 18));
656 close_p(hypergeometric([-1],[3/4],0.5), 1/3, 15);
659 block([expand_hypergeometric : true], hypergeometric([-2, 1/2 + %i/7],[%i/9],x));
660 (29241/16072-108783*%i/16072)*x^2+(9*%i-18/7)*x+1$
662 tex(hypergeometric([2],[9],x),false);
663 "$$F\\left( \\left. \\begin{array}{c}2\\\\9\\end{array} \\right |,x\\right)$$
666 tex(hypergeometric([a,b],[c],x),false);
667 "$$F\\left( \\left. \\begin{array}{c}a,\\;b\\\\c\\end{array} \\right |,x\\right)$$
670 /* float hypergeometric error | fix - ID: 3426847 */
671 block([fpprec : 56], close_p(hypergeometric([1],[3/2,3/2], -10000.0), -4.012030270249197E-4, 15));
674 /* Unevaluated numerical hypergeometric() call - ID: 2996065 */
675 close_p(hypergeometric([-1/4,1/4],[1],16.0/25), 0.95126303911614, 15);
678 /* clisp isn't very fast => with is(time < 40) we got build failures on launchpad. */
679 (time : (absolute_real_time ()- start), print(time), is(time < 400));
682 (remvalue(start), reset(domain, fpprec, expand_hypergeometric, max_fpprec),
683 remfunction(fake_hg, close_p, check_id),0);