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 30393-1f60c30f77) Lines: 2553 2914 87.6 %
Date: 2025-07-15 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
Fl2_equal1 462676
Fl2_inv_pre 202184
Fl2_mul_pre 2013075
Fl2_norm_pre 128044
Fl2_pow_pre 690357
Fl2_sqr_pre 5070510
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78401
Fl_Flxq_log 35543
Fl_Xp1_powu 0
Fl_to_Flx 21207179
Flm_to_FlxV 2772
FlvV_polint_tree 2540661
Flv_Flm_polint 103476
Flv_inv 1744742
Flv_invVandermonde 153445
Flv_inv_i 1756750
Flv_inv_indir 51278
Flv_inv_inplace 12017
Flv_inv_pre 10048
Flv_inv_pre_indir 21414634
Flv_inv_pre_inplace 19682541
Flv_polint 1486550
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1745950
Flv_roots_to_pol 795635
Flv_to_Flx 25484672
FlxC_Fl_translate 0
FlxC_FlxqV_eval 0
FlxC_FlxqV_eval_pre 0
FlxC_Flxq_eval 0
FlxC_Flxq_eval_pre 0
FlxC_eval_powers_pre 325157
FlxC_neg 0
FlxC_sub 0
FlxC_to_ZXC 104060
FlxM_Fl_translate 0
FlxM_Flx_add_shallow 0
FlxM_Flx_mul2 26000
FlxM_eval_powers_pre 22302
FlxM_max_degree 0
FlxM_max_degree_i 0
FlxM_mul 0
FlxM_mul2 7099
FlxM_mul_Kronecker_i 81581
FlxM_neg 0
FlxM_pack_ZM 46835
FlxM_pack_ZM_bits 116239
FlxM_sub 0
FlxM_to_FlxXV 0
FlxM_to_ZXM 2485
FlxT_red 296680
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28994
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171883
FlxV_to_Flm_lg 12969593
FlxV_to_FlxX 397977
FlxV_to_ZXV 606892
FlxV_to_ZXV_inplace 3028137
Flx_Fl2_eval_pre 10528
Flx_Fl_add 10023519
Flx_Fl_mul 7327304
Flx_Fl_mul_pre 18290927
Flx_Fl_mul_to_monic 12022032
Flx_Fl_sub 151848
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786251
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13168373
Flx_Flxq_eval 790626
Flx_Flxq_eval_pre 2444081
Flx_Frobenius 86486
Flx_Frobenius_pre 13804626
Flx_Laplace 27351
Flx_Newton 54144
Flx_add 64833748
Flx_addmulmul 416644
Flx_addshift 3684967
Flx_addspec 7170354
Flx_blocks 517232
Flx_blocks_Flm 12968598
Flx_composedprod 0
Flx_composedsum 27575
Flx_convol 0
Flx_deflate 420985
Flx_deriv 22979226
Flx_diff1 13482
Flx_digits 0
Flx_div_by_X_x 34726328
Flx_divrem 30446663
Flx_divrem_Barrett 605332
Flx_divrem_Barrettspec 906259
Flx_divrem_basecase 62270412
Flx_divrem_pre 79710008
Flx_double 2445177
Flx_equal 27188876
Flx_eval 20404536
Flx_eval2BILspec 579103
Flx_eval_powers_pre 48667873
Flx_eval_pre 136373366
Flx_extgcd 857182
Flx_extgcd_basecase 6286132
Flx_extgcd_halfgcd 146591
Flx_extgcd_pre 6286142
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109423
Flx_gcd 34231399
Flx_gcd_basecase 85144496
Flx_gcd_pre 86808307
Flx_get_red 14491817
Flx_get_red_pre 97556122
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1127942
Flx_halfgcd_all_pre 1127943
Flx_halfgcd_pre 874332
Flx_halfres_basecase 1135022
Flx_halfres_i 1154986
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160913
Flx_integ 0
Flx_integXn 422808
Flx_invBarrett 0
Flx_invBarrett_Newton 23161
Flx_invBarrett_basecase 134339
Flx_invBarrett_pre 158800
Flx_invLaplace 54396
Flx_is_l_pow 8188
Flx_is_smooth 74256
Flx_is_smooth_pre 118617
Flx_is_smooth_squarefree 126820
Flx_is_squarefree 9183353
Flx_lgrenormalizespec 2134412
Flx_matFrobenius 0
Flx_matFrobenius_pre 86569
Flx_mod_Xn1 31763
Flx_mod_Xnm1 5056821
Flx_mul 27822139
Flx_mul_pre 377562458
Flx_mulhigh_i 938908
Flx_mullimb 1189456110
Flx_mullimb_ok 3364913480
Flx_mulspec 383109886
Flx_mulspec_Kronecker 7264346
Flx_mulspec_basecase 345498847
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10137
Flx_mulspec_mulii_inflate 282096
Flx_mulspec_quartmulii 97165
Flx_neg 3264936
Flx_neg_inplace 1756920
Flx_negspec 3264934
Flx_normalize 63928290
Flx_powu 0
Flx_powu_pre 7918
Flx_recip 0
Flx_recipspec 7295303
Flx_red 1882900
Flx_rem 42198540
Flx_rem_basecase 801332951
Flx_rem_pre 926080478
Flx_renormalize 2151812443
Flx_rescale 1117
Flx_resultant 4734090
Flx_resultant_basecase_pre 14620620
Flx_resultant_pre 14622575
Flx_shift 27389769
Flx_shiftip 632915382
Flx_splitting 147608
Flx_sqr 354671
Flx_sqr_pre 279050847
Flx_sqrspec 279220060
Flx_sqrspec_Kronecker 691209
Flx_sqrspec_basecase 278538931
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2070
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138658364
Flx_subspec 898607
Flx_to_Flv 66628628
Flx_to_FlxX 71616
Flx_to_ZX 38283667
Flx_to_ZX_inplace 36557881
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204548
Flx_translate1 16142
Flx_translate1_basecase 28236
Flx_triple 1049887
Flx_unscale 0
Flx_val 4496796
Flx_valrem 27399146
Flxn_div 55198
Flxn_div_pre 55219
Flxn_exp 0
Flxn_expint 109423
Flxn_inv 1030
Flxn_mul 75866
Flxn_mul_pre 5163968
Flxn_mulhigh 517154
Flxn_recip 217444
Flxn_red 6334715
Flxn_sqr 0
Flxn_sqr_pre 0
FlxqC_Flxq_mul 0
FlxqC_red_pre 234845
FlxqM_Flxq_mul 0
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
FlxqV_dotproduct 0
FlxqV_dotproduct_pre 113589
FlxqX_dotproduct 1918
Flxq_autpow 7
Flxq_autpow_msqr 20696
Flxq_autpow_pre 67488
Flxq_autpow_sqr 46250
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112476
Flxq_autsum_pre 98769
Flxq_autsum_sqr 105113
Flxq_auttrace 0
Flxq_auttrace_mul 782965
Flxq_auttrace_pre 962300
Flxq_auttrace_sqr 655412
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519200
Flxq_inv 335766
Flxq_inv_pre 4284204
Flxq_invsafe 670640
Flxq_invsafe_pre 5428977
Flxq_is2npower 0
Flxq_issquare 404492
Flxq_log 164217
Flxq_lroot 0
Flxq_lroot_fast 0
Flxq_lroot_fast_pre 113589
Flxq_lroot_pre 25053
Flxq_matrix_pow 399
Flxq_matrix_pow_pre 170666
Flxq_minpoly 44915
Flxq_minpoly_pre 810741
Flxq_mul 13191066
Flxq_mul_pre 189574421
Flxq_norm 443334
Flxq_order 97328
Flxq_pow 932640
Flxq_pow_Frobenius 22697176
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23738798
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232074
Flxq_powers_pre 22423641
Flxq_powu 488417
Flxq_powu_pre 24350596
Flxq_sqr 2759497
Flxq_sqr_pre 278067200
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_sqrtl_spec_pre 35707
Flxq_sqrtn 20455
Flxq_sqrtn_spec_pre 19262
Flxq_sumautsum_msqr 40558
Flxq_sumautsum_pre 208704
Flxq_sumautsum_sqr 292682
Flxq_trace 4696
Flxq_transmul 4217931
Flxq_transmul_init 1748646
RgXV_to_FlxV 7
RgX_to_Flx 2250310
Rg_to_F2 1706856
Rg_to_Fl 73221974
Rg_to_Flxq 3598500
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3798470
ZXV_to_FlxV 0
ZX_to_Flx 170941363
Z_mod2BIL_Flx 293618
Z_mod2BIL_Flx_2 296548
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561340
ZpX_invLaplace_init 497
_Fl2_mul 1984619
_Fl2_pow 690343
_Fl2_rand 118199
_Fl2_sqr 5070480
_Flx_add 389834
_Flx_composedsum 3910
_Flx_divrem 0
_Flx_mul 10999746
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 148359784
_Flxq_neg 366572
_Flxq_one 22422255
_Flxq_pow 22689764
_Flxq_powu 68
_Flxq_powu_i 23094735
_Flxq_rand 5580
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 270133155
bounded_order 394040
gener_Flxq 7201
get_Fl_threshold 2328787730
get_Flx_red 990024325
get_Flxq_field 68902
get_Flxq_star 280806
init_invlaplace 12514
int_to_Flx 12215
int_to_Flx_half 507268
int_to_Flx_quart 107384
kron_pack_Flx_spec 53168
kron_pack_Flx_spec_2 3389
kron_pack_Flx_spec_3 0
kron_pack_Flx_spec_bits 20813581
kron_pack_Flx_spec_half 688104
kron_unpack_Flx 42785
kron_unpack_Flx_2 2930
kron_unpack_Flx_3 0
kron_unpack_Flx_bits_narrow 5659388
kron_unpack_Flx_bits_wide 5580106
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8378712
mkF2 7555045
monomial_Flx 942756
random_Flx 2646752
set_Flxq 68922
set_Flxq_pre 69812027
translate_basecase 41401
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6539964

Generated by: LCOV version 1.16