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 30547-1b347192b6) Lines: 2553 2914 87.6 %
Date: 2025-11-12 09:22:59 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 2067
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_powu_pre 3896
_Flx_composedsum 3910
Flxq_pow_table_pre 4393
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5484
_Flxq_rand 5585
_Flxq_s 6567
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_is_l_pow 8137
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 10049
Flx_mulspec_mulii 10142
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 12215
init_invlaplace 12514
Flx_halve 14047
Flx_diff1 14448
Flx_translate1 17108
Flxq_sqrtn_spec_pre 19262
Flx_halfres_split 19963
Flxq_sqrtn 20456
Flxq_autpow_msqr 20696
FlxM_eval_powers_pre 22302
Flx_invBarrett_Newton 23159
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 25999
Flx_Laplace 27369
Flx_composedsum 27585
FlxV_composedsum 28987
Flx_translate1_basecase 29202
Flx_mod_Xn1 31764
FlxV_Flc_mul 34482
Fl_Flxq_log 35529
Flxq_sqrtl_spec_pre 35707
Flxq_sumautsum_msqr 40558
translate_basecase 42367
kron_unpack_Flx 42785
Flxq_minpoly 44915
Flxq_autpow_sqr 46249
FlxM_pack_ZM 46835
Flv_inv_indir 51276
kron_pack_Flx_spec 53168
Flx_Newton 54155
Flx_invLaplace 54421
Flxn_div 55248
Flxn_div_pre 55264
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65765
Flxq_autpow_pre 67489
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flx_to_FlxX 71628
Flx_is_smooth 74256
Flxn_mul 75866
Fl2_sqrtn_pre 78412
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_Frobenius 86486
Flx_matFrobenius_pre 86566
Flx_mulspec_quartmulii 97165
Flxq_order 97328
Flxq_autsum_pre 98768
Flv_Flm_polint 103478
FlxC_to_ZXC 104060
Flxq_autsum_sqr 105110
int_to_Flx_quart 107384
Flxn_expint 109421
Flx_fromNewton 109425
Flxq_autsum_mul 112472
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
FlxM_pack_ZM_bits 116239
Flx_is_smooth_pre 118008
_Fl2_rand 118283
Flx_is_smooth_squarefree 126167
Fl2_norm_pre 128177
Flx_invBarrett_basecase 134339
Flx_extgcd_halfgcd 146592
Flx_splitting 147210
Flx_Fl_sub 151844
Flv_invVandermonde 153445
Flx_invBarrett_pre 158799
Flx_inflate 160151
Flxq_log 164217
Flxq_matrix_pow_pre 170664
FlxV_to_Flm 171882
Fl2_inv_pre 202127
Flx_to_int_quartspec 204548
Flxq_sumautsum_pre 208704
Flxn_recip 217523
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_powers 232070
FlxqC_red_pre 234845
Flxq_div 237864
get_Flxq_star 280807
Flx_mulspec_mulii_inflate 282089
Flxq_sumautsum_sqr 292682
FlxT_red 293050
Z_mod2BIL_Flx 293611
Z_mod2BIL_Flx_2 296541
FlxC_eval_powers_pre 325159
Flxq_inv 335770
Flx_sqr 354596
_Flxq_neg 366572
_Flx_add 389834
bounded_order 394048
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416638
Flx_deflate 420990
Flx_integXn 422896
Flxq_norm 443325
Fl2_equal1 462802
Flx_to_int_halfspec 468821
Flxq_powu 488416
int_to_Flx_half 507268
Flxn_mulhigh 517379
Flx_blocks 517416
Flxq_easylog 519220
Flx_eval2BILspec 579089
Flx_divrem_Barrett 604342
FlxV_to_ZXV 606910
Flxq_auttrace_sqr 655303
Flxq_invsafe 670624
kron_pack_Flx_spec_half 688104
_Fl2_pow 690420
Fl2_pow_pre 690439
Flx_sqrspec_Kronecker 691140
Flxq_auttrace_mul 782842
Flx_Flxq_eval 790626
Flv_roots_to_pol 795652
Flxq_minpoly_pre 810897
Flx_extgcd 857258
Flx_halfgcd_pre 874499
Flx_subspec 897646
Flx_divrem_Barrettspec 905166
Flx_mulhigh_i 939529
monomial_Flx 942921
Flxq_pow 948325
Flxq_auttrace_pre 962448
Flx_triple 1049887
Flx_halfgcd_all_i 1127968
Flx_halfgcd_all_pre 1127974
Flx_halfres_basecase 1135044
Flx_halfres_i 1155011
_Flxq_rmul 1461838
Flv_polint 1486572
_Flxq_red 1550928
Rg_to_F2 1710321
Flv_inv 1744765
Flv_producttree 1745974
Flxq_transmul_init 1748971
Flv_inv_i 1756776
Flx_neg_inplace 1756920
Flx_Flv_multieval_tree 1786269
Flx_red 1879723
_Fl2_mul 1985344
Fl2_mul_pre 2014382
Flx_lgrenormalizespec 2132915
RgX_to_Flx 2250312
Flxq_div_pre 2417764
Flx_Flxq_eval_pre 2444575
Flx_double 2445177
FlvV_polint_tree 2540642
random_Flx 2647101
Flxq_sqr 2759489
FlxV_to_ZXV_inplace 3031310
Flx_negspec 3264073
Flx_neg 3264091
Rg_to_Flxq 3598588
Flx_addshift 3684967
ZXT_to_FlxT 3813240
Flxq_transmul 4218718
Flxq_inv_pre 4284304
Flx_val 4479230
Flx_resultant 4735154
Flx_mod_Xnm1 5056443
_Fl2_sqr 5072722
Fl2_sqr_pre 5072760
Flxn_mul_pre 5166494
Flxq_invsafe_pre 5429028
kron_unpack_Flx_bits_wide 5581063
kron_unpack_Flx_bits_narrow 5656411
Flx_extgcd_basecase 6286284
Flx_extgcd_pre 6286284
Flxn_red 6338279
zx_to_Flx 6514944
Flx_addspec 7170354
Flx_mulspec_Kronecker 7263139
Flx_recipspec 7294623
Flx_Fl_mul 7325540
mkF2 7558849
Z_to_Flx 7561450
maxbitcoeffpol 8376732
Flx_is_squarefree 9183959
Flx_Fl_add 10024482
_Flx_mul 11008789
Flx_Fl_mul_to_monic 12026820
Flx_blocks_Flm 12969127
FlxV_to_Flm_lg 12970008
Flx_FlxqV_eval_pre 13168729
Flxq_mul 13191063
Flx_Frobenius_pre 13811270
Flx_get_red 14502335
Flx_resultant_basecase_pre 14621873
Flx_resultant_pre 14623721
Flx_Fl_mul_pre 18288358
Flv_inv_pre_inplace 19650873
Flx_eval 20408467
kron_pack_Flx_spec_bits 20811113
Fl_to_Flx 21219751
Flv_inv_pre_indir 21373121
_Flxq_one 22435634
Flxq_powers_pre 22436043
Flx_deriv 22986981
_Flxq_powu_i 23099642
_Flxq_pow 23787183
Flxq_pow_Frobenius 23794590
Flxq_powu_pre 24355750
Flxq_pow_pre 24851905
Flv_to_Flx 25484852
Flx_shift 27399759
Flx_valrem 27445092
Flx_mul 27820087
Flx_equal 28345208
Flx_divrem 30450239
Flx_gcd 34262747
Flx_div_by_X_x 34755913
Flx_to_ZX_inplace 36578584
Flx_to_ZX 38306743
Flx_rem 42216284
Flx_eval_powers_pre 48486569
Flx_divrem_basecase 62291216
Flx_normalize 63970440
Flx_add 64846069
Flx_to_Flv 66639576
set_Flxq_pre 70941903
Rg_to_Fl 73222555
Flx_divrem_pre 79733567
Flx_gcd_basecase 85200587
Flx_gcd_pre 86867318
Flx_get_red_pre 98700948
Flx_eval_pre 136386545
Flx_sub 138673787
_Flxq_mul 150661357
ZX_to_Flx 171034051
Flxq_mul_pre 191870524
_Flxq_sqr 271369159
Flxq_sqr_pre 279374739
Flx_sqrspec_basecase 279740325
Flx_sqr_pre 280387750
Flx_sqrspec 280491626
Flx_mulspec_basecase 347876620
Flx_mul_pre 379889925
Flx_mulspec 385430112
Flx_shiftip 636403663
Flx_rem_basecase 805212146
Flx_rem_pre 929839469
get_Flx_red 993862642
Flx_mullimb 1182981594
Flx_renormalize 2160346820
get_Fl_threshold 2341977935
Flx_mullimb_ok 3430105532

Generated by: LCOV version 1.16