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 30585-4c42182400) Lines: 2553 2925 87.3 %
Date: 2025-12-23 09:21:19 Functions: 304 363 83.7 %
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_factorback 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_add 0
_Flx_divrem 0
_Flx_one 0
_Flx_pow 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_sqrspec_halfsqri 136
Flx_halfgcd_all 154
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 2064
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxM_to_ZXM 2485
Flm_to_FlxV 2772
kron_unpack_Flx_2 2930
kron_pack_Flx_spec_2 3389
Flxq_charpoly 3624
Flv_prod_pre 3719
_Flx_composedsum 3882
Flx_powu_pre 3921
Flxq_pow_table_pre 4392
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5463
_Flxq_rand 6544
_Flxq_s 6567
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_is_l_pow 8135
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 9646
Flx_mulspec_mulii 10147
Flx_sqrspec_quartsqri 10218
Flx_Fl2_eval_pre 10773
Flx_sqrspec_sqri_inflate 11814
Flv_inv_inplace 12017
zl_Xp1_powu 12017
int_to_Flx 12216
init_invlaplace 12514
Flx_halve 14026
Flx_diff1 14448
Flx_translate1 17108
Flx_halfres_split 19963
Flxq_autpow_msqr 20696
Flxq_sqrtn_spec_pre 21901
FlxM_eval_powers_pre 22302
Flxq_sqrtn 23093
Flx_invBarrett_Newton 23160
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 26000
Flx_Laplace 27341
Flx_composedsum 27548
FlxV_composedsum 28962
Flx_translate1_basecase 29202
Flx_mod_Xn1 31487
FlxV_Flc_mul 34482
Fl_Flxq_log 35540
Flxq_sqrtl_spec_pre 37666
Flxq_sumautsum_msqr 40915
translate_basecase 42367
kron_unpack_Flx 42785
Flxq_minpoly 45937
FlxM_pack_ZM 46835
Flxq_autpow_sqr 47318
Flv_inv_indir 52115
kron_pack_Flx_spec 53168
Flx_Newton 54096
Flx_invLaplace 54353
Flxn_div 55128
Flxn_div_pre 55176
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65765
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flxq_autpow_pre 69455
Flx_to_FlxX 71405
Flx_is_smooth 74256
Flxn_mul 75842
Fl2_sqrtn_pre 75910
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_Frobenius 86484
Flx_matFrobenius_pre 86569
Flx_mulspec_quartmulii 97166
Flxq_order 97328
Flxq_autsum_pre 98770
FlxC_to_ZXC 104060
Flv_Flm_polint 104466
Flxq_autsum_sqr 105112
int_to_Flx_quart 107384
Flxn_expint 109396
Flx_fromNewton 109400
Flxq_autsum_mul 112474
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
_Fl2_rand 113646
FlxM_pack_ZM_bits 116239
Flx_is_smooth_pre 118140
Flx_is_smooth_squarefree 126262
Fl2_norm_pre 127383
Flx_invBarrett_basecase 134392
Flx_extgcd_halfgcd 146656
Flx_splitting 147380
Flx_Fl_sub 151683
Flv_invVandermonde 153445
Flx_invBarrett_pre 158852
Flx_inflate 160273
Flxq_log 164217
Flxq_matrix_pow_pre 170669
FlxV_to_Flm 171882
Fl2_inv_pre 196839
Flx_to_int_quartspec 204550
Flxq_sumautsum_pre 210713
Flxn_recip 217259
Flxq_sqrt 230463
Flxq_sqrt_pre 230463
Flxq_powers 232019
FlxqC_red_pre 234845
Flxq_div 237864
get_Flxq_star 283444
Flx_mulspec_mulii_inflate 294054
FlxT_red 294632
Flxq_sumautsum_sqr 295314
Z_mod2BIL_Flx 305868
Z_mod2BIL_Flx_2 308798
FlxC_eval_powers_pre 325155
Flxq_inv 335768
Flx_sqr 354623
_Flxq_neg 366572
_Flxq_add 389834
bounded_order 395365
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416805
Flx_deflate 420788
Flx_integXn 422728
Flxq_norm 443318
Fl2_equal1 448758
Flx_to_int_halfspec 468590
Flxq_powu 488338
int_to_Flx_half 507058
Flxn_mulhigh 516592
Flx_blocks 516720
Flxq_easylog 519360
Flx_eval2BILspec 603311
Flx_divrem_Barrett 604724
FlxV_to_ZXV 606749
Flxq_auttrace_sqr 653058
_Fl2_pow 670036
Fl2_pow_pre 670038
Flxq_invsafe 670318
kron_pack_Flx_spec_half 688104
Flx_sqrspec_Kronecker 695057
Flxq_auttrace_mul 780421
Flx_Flxq_eval 791316
Flxq_minpoly_pre 809762
Flv_roots_to_pol 841051
Flx_extgcd 856689
Flx_halfgcd_pre 873347
Flx_subspec 898361
Flx_divrem_Barrettspec 905947
Flx_mulhigh_i 938161
monomial_Flx 941401
Flxq_pow 948231
Flxq_auttrace_pre 960099
Flx_triple 1049887
Flx_halfgcd_all_i 1127059
Flx_halfgcd_all_pre 1127064
Flx_halfres_basecase 1134137
Flx_halfres_i 1154102
_Flxq_rmul 1461838
Flv_polint 1486414
_Flxq_red 1550928
Rg_to_F2 1710350
Flv_inv 1745595
Flxq_transmul_init 1746664
Flv_producttree 1746796
Flv_inv_i 1757603
Flx_neg_inplace 1778721
Flx_Flv_multieval_tree 1787105
Flx_red 1880326
_Fl2_mul 1921035
Fl2_mul_pre 1950071
Flx_lgrenormalizespec 2134320
RgX_to_Flx 2249942
Flxq_div_pre 2417764
Flx_Flxq_eval_pre 2444606
Flx_double 2445177
FlvV_polint_tree 2587927
random_Flx 2646465
Flxq_sqr 2763154
FlxV_to_ZXV_inplace 3031651
Flx_neg 3264538
Flx_negspec 3264542
Rg_to_Flxq 3588251
Flx_addshift 3726367
ZXT_to_FlxT 3812945
Flxq_transmul 4213379
Flxq_inv_pre 4287405
Flx_val 4465134
Flx_resultant 4735360
Fl2_sqr_pre 4903083
_Fl2_sqr 4903124
Flx_mod_Xnm1 4907399
Flxn_mul_pre 5157244
Flxq_invsafe_pre 5430253
kron_unpack_Flx_bits_narrow 5657961
kron_unpack_Flx_bits_wide 5669988
Flx_extgcd_pre 6286925
Flx_extgcd_basecase 6286960
Flxn_red 6327315
zx_to_Flx 6389083
Flx_addspec 7254264
Flx_recipspec 7288750
mkF2 7311694
Flx_Fl_mul 7327299
Flx_mulspec_Kronecker 7351320
Z_to_Flx 7556858
maxbitcoeffpol 8480561
Flx_is_squarefree 9180583
Flx_Fl_add 9847087
_Flx_mul 11782735
Flx_Fl_mul_to_monic 11856231
Flx_blocks_Flm 12967314
FlxV_to_Flm_lg 12967895
Flx_FlxqV_eval_pre 13166581
Flxq_mul 13192511
Flx_Frobenius_pre 13811148
Flx_get_red 14502692
Flx_resultant_basecase_pre 14620547
Flx_resultant_pre 14622499
Flx_Fl_mul_pre 18292253
Flv_inv_pre_inplace 19270814
Flx_eval 20421390
kron_pack_Flx_spec_bits 20990372
Flv_inv_pre_indir 20995598
Fl_to_Flx 21936226
_Flxq_pow 21937397
Flxq_pow_Frobenius 21944806
Flxq_powers_pre 22434471
_Flxq_one 22435825
_Flxq_powu_i 22919312
Flx_deriv 22982235
Flxq_pow_pre 23008189
Flxq_powu_pre 24174248
Flv_to_Flx 25486927
Flx_equal 26438552
Flx_shift 27377470
Flx_mul 27807251
Flx_valrem 28447046
Flx_divrem 30445132
Flx_gcd 35016257
Flx_div_by_X_x 36528906
Flx_to_ZX_inplace 36565231
Flx_to_ZX 38297202
Flx_rem 42223767
Flx_eval_powers_pre 48495625
Flx_divrem_basecase 62277183
Flx_normalize 64787996
Flx_add 66127189
Flx_to_Flv 66643660
set_Flxq_pre 68914066
Rg_to_Fl 73210476
Flx_divrem_pre 79715158
Flx_gcd_basecase 85759988
Flx_gcd_pre 87414778
Flx_get_red_pre 96661098
Flx_eval_pre 136423769
Flx_sub 138628139
_Flxq_mul 145844761
ZX_to_Flx 171002769
Flxq_mul_pre 187032909
_Flxq_sqr 266437411
Flxq_sqr_pre 274288472
Flx_sqr_pre 275249212
Flx_sqrspec 275536111
Flx_sqrspec_basecase 275652552
Flx_mulspec_basecase 346349458
Flx_mul_pre 378252985
Flx_mulspec 383844809
Flx_shiftip 630566222
Flx_rem_basecase 797311253
Flx_rem_pre 921114036
get_Flx_red 985098232
Flx_mullimb 1187514526
Flx_renormalize 2148081524
get_Fl_threshold 2319148686
Flx_mullimb_ok 3353537104

Generated by: LCOV version 1.16