Hi,

Le 31/08/2017 à 14:48, Ximin Luo a écrit :

> eclib, giac, linbox succeeded but flint fails:
> 
> [..]
> make[3]: Entering directory '/<<PKGBUILDDIR>>'
> g++ -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong 
> -Wformat -Werror=format-security -I/<<PKGBUILDDIR>> -c 
> interfaces/NTL-interface.cpp -o build/interfaces/NTL-interface.o
> g++ -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong 
> -Wformat -Werror=format-security -I/<<PKGBUILDDIR>> 
> interfaces/test/t-NTL-interface.cpp build/interfaces/NTL-interface.o -o 
> build/interfaces/test/t-NTL-interface -L/<<PKGBUILDDIR>> -L/usr/local/lib 
> -L/usr/local/lib -L/usr/local/lib -lflint -lmpfr -lgmp -lm -lntl -lpthread 
> make[3]: Leaving directory '/<<PKGBUILDDIR>>'
> ZZ_to_fmpz....PASS
> ZZX_to_fmpz_poly....PASS
> ZZ_pX_to_fmpz_mod_poly....PASS
> ZZ_pE_to_fq....PASS
> ZZ_pEX_to_fq_poly....PASS
> zz_pX_to_fmpz_mod_poly....FAIL:
> f_poly1 = 61 40559  2065 31588 35949 5581 18565 23027 17733 40355 21583 29748 
> 34876 9541 13193 37235 25453 21973 26716 1397 32001 6909 21509 13786 20347 
> 3693 31431 1471 14890 19641 12608 1894 24849 8969 15639 30973 20096 8110 
> 30791 35078 29416 16789 35010 10460 34287 20737 768 35601 22276 17792 3619 
> 10427 1950 5016 21067 39969 274 29530 39547 13397 8480 1868 19224
> f_poly2 = 61 40559  -19790727 -303309173 -345202259 -53532299 -178238240 
> -221104641 -170248949 -387500890 -207234907 -285627289 -334901346 -91572681 
> -126652564 -357530909 -244383081 -210965945 -256508959 -13342514 -307283542 
> -66307056 -206504919 -132330231 -195352356 -35404314 -301808647 -14072502 
> -142955585 -188579709 -121015448 -18127979 -238583748 -86097788 -150133779 
> -297388174 -192959626 -77824611 -295644319 -336847976 -282464019 -161164677 
> -336158541 -100413624 -329223675 -199083394 -7299852 -341836210 -213885890 
> -170816716 -34714885 -100089185 -18655190 -48097958 -202287225 -383810407 
> -2554943 -283558998 -379754929 -128599192 -81393433 -17884651 -184564785
> zz_pE_to_fq....FAIL:
> p = 31
> mod = x^2+19*x+12
> f1 = 20*a+16 - 2
> zzpe:[-418 -538]
> f2 = -538*a-418 - 2
> zz_pEX_to_fq_poly....Aborted
> Makefile:211: recipe for target 'check' failed
> make[2]: *** [check] Error 134
> [..]

I could reproduce the matter, asked upstream if it was known, and since
it wasn't:
https://github.com/wbhart/flint2/issues/372

Snark

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