Code coverage tests

This page documents the degree to which the PARI/GP source code is tested by our public test suite, distributed with the source distribution in directory src/test/. This is measured by the gcov utility; we then process gcov output using the lcov frond-end.

We test a few variants depending on Configure flags on the pari.math.u-bordeaux.fr machine (x86_64 architecture), and agregate them in the final report:

The target is to exceed 90% coverage for all mathematical modules (given that branches depending on DEBUGLEVEL or DEBUGMEM are not covered). This script is run to produce the results below.

LCOV - code coverage report
Current view: top level - basemath - Flx.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30552-d1d0643eee) Lines: 2553 2914 87.6 %
Date: 2025-11-23 09:22:56 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl_Xp1_powu 0
Flv_prod 0
FlxC_Fl_translate 0
FlxC_FlxqV_eval 0
FlxC_FlxqV_eval_pre 0
FlxC_Flxq_eval 0
FlxC_Flxq_eval_pre 0
FlxC_neg 0
FlxC_sub 0
FlxM_Fl_translate 0
FlxM_Flx_add_shallow 0
FlxM_max_degree 0
FlxM_max_degree_i 0
FlxM_mul 0
FlxM_neg 0
FlxM_sub 0
FlxM_to_FlxXV 0
FlxV_Flx_fromdigits 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_composedprod 0
Flx_convol 0
Flx_digits 0
Flx_halfgcd 0
Flx_integ 0
Flx_invBarrett 0
Flx_matFrobenius 0
Flx_powu 0
Flx_recip 0
Flx_unscale 0
Flxn_exp 0
Flxn_sqr 0
Flxn_sqr_pre 0
FlxqC_Flxq_mul 0
FlxqM_Flxq_mul 0
FlxqV_dotproduct 0
Flxq_autsum 0
Flxq_auttrace 0
Flxq_is2npower 0
Flxq_lroot 0
Flxq_lroot_fast 0
Flxq_pow_init 0
Flxq_pow_table 0
ZXV_to_FlxV 0
Z_mod2BIL_Flx_3 0
_Flx_divrem 0
_Flx_sqr 0
kron_pack_Flx_spec_3 0
kron_unpack_Flx_3 0
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
Flxq_autpow 7
RgXV_to_FlxV 7
matJ2_FlxM 13
Flxq_conjvec 20
Flxq_pow_init_pre 28
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
_Flxq_powu 68
Flx_halfgcd_all 154
Flx_sqrspec_halfsqri 325
Flxq_matrix_pow 399
ZpX_invLaplace_init 497
matid2_FlxM 911
Flxn_inv 1037
Flx_halfres_pre 1044
Flx_rescale 1117
Flxq_autpowers 1667
FlxqX_dotproduct 1918
Flx_sqrspec_sqri 2068
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxM_to_ZXM 2485
Flm_to_FlxV 2772
kron_unpack_Flx_2 2930
Flv_prod_pre 3304
kron_pack_Flx_spec_2 3389
Flxq_charpoly 3624
_Flx_composedsum 3882
Flx_powu_pre 3980
Flxq_pow_table_pre 4393
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5484
_Flxq_s 6567
_Flxq_rand 6570
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_is_l_pow 8182
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 10048
Flx_mulspec_mulii 10143
Flx_sqrspec_quartsqri 10218
Flx_Fl2_eval_pre 10773
Flx_sqrspec_sqri_inflate 11522
Flv_inv_inplace 12017
zl_Xp1_powu 12017
int_to_Flx 12217
init_invlaplace 12514
Flx_halve 14047
Flx_diff1 14448
Flx_translate1 17108
Flx_halfres_split 19964
Flxq_autpow_msqr 20698
Flxq_sqrtn_spec_pre 21901
FlxM_eval_powers_pre 22302
Flxq_sqrtn 23095
Flx_invBarrett_Newton 23161
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 26000
Flx_Laplace 27345
Flx_composedsum 27546
FlxV_composedsum 28969
Flx_translate1_basecase 29202
Flx_mod_Xn1 31762
FlxV_Flc_mul 34482
Fl_Flxq_log 35546
Flxq_sqrtl_spec_pre 37667
Flxq_sumautsum_msqr 40915
translate_basecase 42367
kron_unpack_Flx 42785
Flxq_minpoly 45979
FlxM_pack_ZM 46835
Flxq_autpow_sqr 47317
Flv_inv_indir 51279
kron_pack_Flx_spec 53168
Flx_Newton 54102
Flx_invLaplace 54359
Flxn_div 55171
Flxn_div_pre 55187
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65765
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flxq_autpow_pre 69451
Flx_to_FlxX 71629
Flx_is_smooth 74256
Flxn_mul 75843
Fl2_sqrtn_pre 78412
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_Frobenius 86486
Flx_matFrobenius_pre 86565
Flx_mulspec_quartmulii 97176
Flxq_order 97328
Flxq_autsum_pre 98768
Flv_Flm_polint 103493
FlxC_to_ZXC 104060
Flxq_autsum_sqr 105110
int_to_Flx_quart 107396
Flx_fromNewton 109397
Flxn_expint 109398
Flxq_autsum_mul 112472
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
FlxM_pack_ZM_bits 116239
_Fl2_rand 118289
Flx_is_smooth_pre 118341
Flx_is_smooth_squarefree 126544
Fl2_norm_pre 128182
Flx_invBarrett_basecase 134340
Flx_extgcd_halfgcd 146655
Flx_splitting 147781
Flx_Fl_sub 151838
Flv_invVandermonde 153445
Flx_invBarrett_pre 158800
Flx_inflate 160803
Flxq_log 164217
Flxq_matrix_pow_pre 170657
FlxV_to_Flm 171883
Fl2_inv_pre 201927
Flx_to_int_quartspec 204572
Flxq_sumautsum_pre 210713
Flxn_recip 217348
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_powers 232064
FlxqC_red_pre 234845
Flxq_div 237864
Flx_mulspec_mulii_inflate 282094
get_Flxq_star 283446
Z_mod2BIL_Flx 293616
Flxq_sumautsum_sqr 295314
Z_mod2BIL_Flx_2 296546
FlxT_red 298184
FlxC_eval_powers_pre 325154
Flxq_inv 335768
Flx_sqr 354699
_Flxq_neg 366572
_Flx_add 389834
bounded_order 395389
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416801
Flx_deflate 421035
Flx_integXn 422694
Flxq_norm 443320
Fl2_equal1 462459
Flx_to_int_halfspec 468821
Flxq_powu 488421
int_to_Flx_half 507268
Flxn_mulhigh 516835
Flx_blocks 516917
Flxq_easylog 519361
Flx_eval2BILspec 579099
Flx_divrem_Barrett 605758
FlxV_to_ZXV 606906
Flxq_auttrace_sqr 655329
Flxq_invsafe 670693
kron_pack_Flx_spec_half 688104
_Fl2_pow 689967
Fl2_pow_pre 689982
Flx_sqrspec_Kronecker 691248
Flxq_auttrace_mul 782847
Flx_Flxq_eval 791711
Flv_roots_to_pol 795591
Flxq_minpoly_pre 812053
Flx_extgcd 857256
Flx_halfgcd_pre 875778
Flx_subspec 899175
Flx_divrem_Barrettspec 906664
Flx_mulhigh_i 938627
monomial_Flx 944120
Flxq_pow 948341
Flxq_auttrace_pre 962512
Flx_triple 1049887
Flx_halfgcd_all_pre 1129375
Flx_halfgcd_all_i 1129377
Flx_halfres_basecase 1136455
Flx_halfres_i 1156422
_Flxq_rmul 1461838
Flv_polint 1486594
_Flxq_red 1550928
Rg_to_F2 1710431
Flv_inv 1744799
Flv_producttree 1746008
Flxq_transmul_init 1751530
Flv_inv_i 1756811
Flx_neg_inplace 1778757
Flx_Flv_multieval_tree 1786307
Flx_red 1884282
_Fl2_mul 1985442
Fl2_mul_pre 2014477
Flx_lgrenormalizespec 2135676
RgX_to_Flx 2250310
Flxq_div_pre 2417764
Flx_double 2445177
Flx_Flxq_eval_pre 2448958
FlvV_polint_tree 2540716
random_Flx 2651376
Flxq_sqr 2763146
FlxV_to_ZXV_inplace 3031456
Flx_negspec 3265563
Flx_neg 3265570
Rg_to_Flxq 3598616
Flx_addshift 3728641
ZXT_to_FlxT 3814590
Flxq_transmul 4225416
Flxq_inv_pre 4287540
Flx_val 4491408
Flx_resultant 4735202
Flx_mod_Xnm1 5056658
Fl2_sqr_pre 5075108
_Fl2_sqr 5075153
Flxn_mul_pre 5167444
Flxq_invsafe_pre 5432369
kron_unpack_Flx_bits_wide 5610508
kron_unpack_Flx_bits_narrow 5660663
Flx_extgcd_pre 6289605
Flx_extgcd_basecase 6289613
Flxn_red 6337811
zx_to_Flx 6538958
Flx_addspec 7257702
Flx_mulspec_Kronecker 7297101
Flx_recipspec 7304843
Flx_Fl_mul 7327927
mkF2 7561044
Z_to_Flx 7561637
maxbitcoeffpol 8410564
Flx_is_squarefree 9184417
Flx_Fl_add 10026687
_Flx_mul 11007374
Flx_Fl_mul_to_monic 12029171
Flx_blocks_Flm 12983839
FlxV_to_Flm_lg 12984443
Flx_FlxqV_eval_pre 13183286
Flxq_mul 13192518
Flx_Frobenius_pre 13816790
Flx_get_red 14507547
Flx_resultant_basecase_pre 14621890
Flx_resultant_pre 14623734
Flx_Fl_mul_pre 18297618
Flv_inv_pre_inplace 19709483
Flx_eval 20421670
kron_pack_Flx_spec_bits 20878832
Fl_to_Flx 21226861
Flv_inv_pre_indir 21433670
_Flxq_one 22449307
Flxq_powers_pre 22449371
Flx_deriv 22988239
_Flxq_powu_i 23108653
_Flxq_pow 23401971
Flxq_pow_Frobenius 23409377
Flxq_powu_pre 24363952
Flxq_pow_pre 24472868
Flv_to_Flx 25514242
Flx_shift 27414844
Flx_valrem 27444815
Flx_mul 27826487
Flx_equal 27955272
Flx_divrem 30450863
Flx_gcd 34261834
Flx_div_by_X_x 34753895
Flx_to_ZX_inplace 36576116
Flx_to_ZX 38306437
Flx_rem 42225453
Flx_eval_powers_pre 48592870
Flx_divrem_basecase 62316817
Flx_normalize 63980202
Flx_add 64925314
Flx_to_Flv 66701180
set_Flxq_pre 70586137
Rg_to_Fl 73223160
Flx_divrem_pre 79756473
Flx_gcd_basecase 85209680
Flx_gcd_pre 86875478
Flx_get_red_pre 98364058
Flx_eval_pre 136407848
Flx_sub 138702716
_Flxq_mul 149961639
ZX_to_Flx 171033433
Flxq_mul_pre 191204415
_Flxq_sqr 271258247
Flxq_sqr_pre 279254723
Flx_sqrspec_basecase 279622398
Flx_sqr_pre 280264146
Flx_sqrspec 280371029
Flx_mulspec_basecase 347303368
Flx_mul_pre 379348982
Flx_mulspec 384941064
Flx_shiftip 635754217
Flx_rem_basecase 804387450
Flx_rem_pre 929072059
get_Flx_red 993138416
Flx_mullimb 1187783763
Flx_renormalize 2159405051
get_Fl_threshold 2339732454
Flx_mullimb_ok 3413874878

Generated by: LCOV version 1.16