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: 2025-11-24 09:22:36 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 324
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 3921
Flxq_pow_table_pre 4392
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5484
_Flxq_rand 6555
_Flxq_s 6567
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_is_l_pow 8195
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 10048
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 12216
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 23160
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 26000
Flx_Laplace 27355
Flx_composedsum 27556
FlxV_composedsum 28962
Flx_translate1_basecase 29202
Flx_mod_Xn1 31763
FlxV_Flc_mul 34480
Fl_Flxq_log 35540
Flxq_sqrtl_spec_pre 37666
Flxq_sumautsum_msqr 40915
translate_basecase 42367
kron_unpack_Flx 42785
Flxq_minpoly 45979
FlxM_pack_ZM 46835
Flxq_autpow_sqr 47327
Flv_inv_indir 51284
kron_pack_Flx_spec 53168
Flx_Newton 54094
Flx_invLaplace 54367
Flxn_div 55187
Flxn_div_pre 55199
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65765
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flxq_autpow_pre 69458
Flx_to_FlxX 71629
Flx_is_smooth 74256
Flxn_mul 75845
Fl2_sqrtn_pre 78407
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_Frobenius 86486
Flx_matFrobenius_pre 86570
Flx_mulspec_quartmulii 97167
Flxq_order 97328
Flxq_autsum_pre 98774
Flv_Flm_polint 103491
FlxC_to_ZXC 104060
Flxq_autsum_sqr 105124
int_to_Flx_quart 107385
Flxn_expint 109401
Flx_fromNewton 109403
Flxq_autsum_mul 112490
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
FlxM_pack_ZM_bits 116239
_Fl2_rand 118287
Flx_is_smooth_pre 118599
Flx_is_smooth_squarefree 126854
Fl2_norm_pre 128150
Flx_invBarrett_basecase 134339
Flx_extgcd_halfgcd 146652
Flx_splitting 147375
Flx_Fl_sub 151841
Flv_invVandermonde 153445
Flx_invBarrett_pre 158800
Flx_inflate 160472
Flxq_log 164217
Flxq_matrix_pow_pre 170667
FlxV_to_Flm 171885
Fl2_inv_pre 202063
Flx_to_int_quartspec 204552
Flxq_sumautsum_pre 210713
Flxn_recip 217385
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_powers 232054
FlxqC_red_pre 234845
Flxq_div 237864
Flx_mulspec_mulii_inflate 282094
get_Flxq_star 283446
Z_mod2BIL_Flx 293616
FlxT_red 294586
Flxq_sumautsum_sqr 295314
Z_mod2BIL_Flx_2 296546
FlxC_eval_powers_pre 325159
Flxq_inv 335763
Flx_sqr 354634
_Flxq_neg 366572
_Flx_add 389834
bounded_order 395379
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416798
Flx_deflate 421035
Flx_integXn 422781
Flxq_norm 443327
Fl2_equal1 462614
Flx_to_int_halfspec 468820
Flxq_powu 488418
int_to_Flx_half 507268
Flxn_mulhigh 517065
Flx_blocks 517137
Flxq_easylog 519383
Flx_eval2BILspec 579099
Flx_divrem_Barrett 604763
FlxV_to_ZXV 606897
Flxq_auttrace_sqr 655384
Flxq_invsafe 670708
kron_pack_Flx_spec_half 688104
_Fl2_pow 690191
Fl2_pow_pre 690200
Flx_sqrspec_Kronecker 691179
Flxq_auttrace_mul 782926
Flx_Flxq_eval 791702
Flv_roots_to_pol 795645
Flxq_minpoly_pre 812003
Flx_extgcd 857241
Flx_halfgcd_pre 875560
Flx_subspec 898118
Flx_divrem_Barrettspec 905594
Flx_mulhigh_i 938998
monomial_Flx 943897
Flxq_pow 948337
Flxq_auttrace_pre 962499
Flx_triple 1049887
Flx_halfgcd_all_i 1129275
Flx_halfgcd_all_pre 1129278
Flx_halfres_basecase 1136351
Flx_halfres_i 1156318
_Flxq_rmul 1461838
Flv_polint 1486573
_Flxq_red 1550928
Rg_to_F2 1710354
Flv_inv 1744787
Flv_producttree 1745987
Flxq_transmul_init 1751098
Flv_inv_i 1756802
Flx_neg_inplace 1778757
Flx_Flv_multieval_tree 1786286
Flx_red 1881104
_Fl2_mul 1985535
Fl2_mul_pre 2014568
Flx_lgrenormalizespec 2133647
RgX_to_Flx 2250314
Flxq_div_pre 2417764
Flx_double 2445177
Flx_Flxq_eval_pre 2448943
FlvV_polint_tree 2540744
random_Flx 2651116
Flxq_sqr 2763153
FlxV_to_ZXV_inplace 3031460
Flx_negspec 3264563
Flx_neg 3264566
Rg_to_Flxq 3598632
Flx_addshift 3728641
ZXT_to_FlxT 3813616
Flxq_transmul 4224543
Flxq_inv_pre 4287571
Flx_val 4488748
Flx_resultant 4735174
Flx_mod_Xnm1 5056417
_Fl2_sqr 5075041
Fl2_sqr_pre 5075046
Flxn_mul_pre 5168312
Flxq_invsafe_pre 5432429
kron_unpack_Flx_bits_wide 5610608
kron_unpack_Flx_bits_narrow 5657692
Flx_extgcd_basecase 6289669
Flx_extgcd_pre 6289670
Flxn_red 6339850
zx_to_Flx 6529898
Flx_addspec 7257702
Flx_mulspec_Kronecker 7294424
Flx_recipspec 7301653
Flx_Fl_mul 7327667
mkF2 7561387
Z_to_Flx 7561710
maxbitcoeffpol 8407746
Flx_is_squarefree 9184008
Flx_Fl_add 10028996
_Flx_mul 11006221
Flx_Fl_mul_to_monic 12029257
Flx_blocks_Flm 12984076
FlxV_to_Flm_lg 12984689
Flx_FlxqV_eval_pre 13183535
Flxq_mul 13192544
Flx_Frobenius_pre 13816268
Flx_get_red 14506917
Flx_resultant_basecase_pre 14621853
Flx_resultant_pre 14623761
Flx_Fl_mul_pre 18298137
Flv_inv_pre_inplace 19647013
Flx_eval 20407545
kron_pack_Flx_spec_bits 20873257
Fl_to_Flx 21223322
Flv_inv_pre_indir 21369905
_Flxq_pow 22382719
Flxq_pow_Frobenius 22390132
_Flxq_one 22448414
Flxq_powers_pre 22448983
Flx_deriv 22987956
_Flxq_powu_i 23110427
Flxq_pow_pre 23453602
Flxq_powu_pre 24365783
Flv_to_Flx 25514660
Flx_equal 26934627
Flx_shift 27413760
Flx_valrem 27432520
Flx_mul 27826736
Flx_divrem 30453232
Flx_gcd 34258236
Flx_div_by_X_x 34750104
Flx_to_ZX_inplace 36578478
Flx_to_ZX 38306522
Flx_rem 42218469
Flx_eval_powers_pre 48575251
Flx_divrem_basecase 62318999
Flx_normalize 63969148
Flx_add 64920094
Flx_to_Flv 66701453
set_Flxq_pre 69567618
Rg_to_Fl 73223564
Flx_divrem_pre 79760980
Flx_gcd_basecase 85211889
Flx_gcd_pre 86874164
Flx_get_red_pre 97346724
Flx_eval_pre 136389664
Flx_sub 138704405
_Flxq_mul 147938997
ZX_to_Flx 171037718
Flxq_mul_pre 189184002
_Flxq_sqr 270288943
Flxq_sqr_pre 278286704
Flx_sqrspec_basecase 278704337
Flx_sqr_pre 279298814
Flx_sqrspec 279411605
Flx_mulspec_basecase 345261530
Flx_mul_pre 377296910
Flx_mulspec 382888034
Flx_shiftip 632739997
Flx_rem_basecase 801554473
Flx_rem_pre 926140512
get_Flx_red 990249626
Flx_mullimb 1188650531
Flx_renormalize 2153228750
get_Fl_threshold 2329674244
Flx_mullimb_ok 3376298791

Generated by: LCOV version 1.16