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 30573-61accf17c8) Lines: 2553 2925 87.3 %
Date: 2025-12-16 09:22:09 Functions: 304 363 83.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 462573
Fl2_inv_pre 201975
Fl2_mul_pre 2013784
Fl2_norm_pre 128183
Fl2_pow_pre 690026
Fl2_sqr_pre 5070988
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78385
Fl_Flxq_log 35538
Fl_Xp1_powu 0
Fl_to_Flx 21212571
Flm_to_FlxV 2772
FlvV_polint_tree 2540782
Flv_Flm_polint 103492
Flv_inv 1744791
Flv_invVandermonde 153445
Flv_inv_i 1756799
Flv_inv_indir 51281
Flv_inv_inplace 12017
Flv_inv_pre 10048
Flv_inv_pre_indir 21346023
Flv_inv_pre_inplace 19609013
Flv_polint 1486573
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1745988
Flv_roots_to_pol 795657
Flv_to_Flx 25521703
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 325153
FlxC_neg 0
FlxC_sub 0
FlxC_to_ZXC 104060
FlxM_Fl_translate 0
FlxM_Flx_add_shallow 0
FlxM_Flx_mul2 25999
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 294713
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28962
FlxV_factorback 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171877
FlxV_to_Flm_lg 12989365
FlxV_to_FlxX 397977
FlxV_to_ZXV 606925
FlxV_to_ZXV_inplace 3032223
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10029793
Flx_Fl_mul 7327655
Flx_Fl_mul_pre 18298306
Flx_Fl_mul_to_monic 12029603
Flx_Fl_sub 151848
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786293
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13187875
Flx_Flxq_eval 791748
Flx_Flxq_eval_pre 2449847
Flx_Frobenius 86483
Flx_Frobenius_pre 13820431
Flx_Laplace 27349
Flx_Newton 54096
Flx_add 64920079
Flx_addmulmul 416799
Flx_addshift 3728641
Flx_addspec 7257702
Flx_blocks 516863
Flx_blocks_Flm 12988402
Flx_composedprod 0
Flx_composedsum 27542
Flx_convol 0
Flx_deflate 421075
Flx_deriv 22990674
Flx_diff1 14405
Flx_digits 0
Flx_div_by_X_x 34751488
Flx_divrem 30452881
Flx_divrem_Barrett 604773
Flx_divrem_Barrettspec 905323
Flx_divrem_basecase 62334876
Flx_divrem_pre 79768371
Flx_double 2445177
Flx_equal 27439099
Flx_eval 20408668
Flx_eval2BILspec 579073
Flx_eval_powers_pre 48480347
Flx_eval_pre 136361132
Flx_extgcd 857300
Flx_extgcd_basecase 6289751
Flx_extgcd_halfgcd 146650
Flx_extgcd_pre 6289747
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109402
Flx_gcd 34258575
Flx_gcd_basecase 85204292
Flx_gcd_pre 86869899
Flx_get_red 14512937
Flx_get_red_pre 97854963
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1129980
Flx_halfgcd_all_pre 1129982
Flx_halfgcd_pre 876087
Flx_halfres_basecase 1137056
Flx_halfres_i 1157023
Flx_halfres_pre 1044
Flx_halfres_split 19963
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160447
Flx_integ 0
Flx_integXn 422757
Flx_invBarrett 0
Flx_invBarrett_Newton 23160
Flx_invBarrett_basecase 134339
Flx_invBarrett_pre 158799
Flx_invLaplace 54373
Flx_is_l_pow 8187
Flx_is_smooth 74256
Flx_is_smooth_pre 118779
Flx_is_smooth_squarefree 126937
Flx_is_squarefree 9184402
Flx_lgrenormalizespec 2133338
Flx_matFrobenius 0
Flx_matFrobenius_pre 86565
Flx_mod_Xn1 31769
Flx_mod_Xnm1 5056861
Flx_mul 27832447
Flx_mul_pre 378087616
Flx_mulhigh_i 938684
Flx_mullimb 1188238190
Flx_mullimb_ok 3397280143
Flx_mulspec 383810933
Flx_mulspec_Kronecker 7294550
Flx_mulspec_basecase 346461296
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10141
Flx_mulspec_mulii_inflate 282081
Flx_mulspec_quartmulii 97165
Flx_neg 3264600
Flx_neg_inplace 1778757
Flx_negspec 3264592
Flx_normalize 63976513
Flx_powu 0
Flx_powu_pre 3924
Flx_recip 0
Flx_recipspec 7304014
Flx_red 1881355
Flx_rem 42220399
Flx_rem_basecase 802973311
Flx_rem_pre 927039103
Flx_renormalize 2156065662
Flx_rescale 1117
Flx_resultant 4736091
Flx_resultant_basecase_pre 14621880
Flx_resultant_pre 14624062
Flx_shift 27421862
Flx_shiftip 633987016
Flx_splitting 147380
Flx_sqr 354651
Flx_sqr_pre 278868184
Flx_sqrspec 279240978
Flx_sqrspec_Kronecker 691165
Flx_sqrspec_basecase 279333527
Flx_sqrspec_halfsqri 324
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2068
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138721198
Flx_subspec 897852
Flx_to_Flv 66714434
Flx_to_FlxX 71643
Flx_to_ZX 38307762
Flx_to_ZX_inplace 36573654
Flx_to_int_halfspec 468820
Flx_to_int_quartspec 204548
Flx_translate1 17067
Flx_translate1_basecase 29158
Flx_triple 1049887
Flx_unscale 0
Flx_val 4480040
Flx_valrem 27433728
Flxn_div 55148
Flxn_div_pre 55175
Flxn_exp 0
Flxn_expint 109401
Flxn_inv 1037
Flxn_mul 75845
Flxn_mul_pre 5168401
Flxn_mulhigh 516772
Flxn_recip 217320
Flxn_red 6340138
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 20700
Flxq_autpow_pre 69455
Flxq_autpow_sqr 47326
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112489
Flxq_autsum_pre 98774
Flxq_autsum_sqr 105123
Flxq_auttrace 0
Flxq_auttrace_mul 782898
Flxq_auttrace_pre 962866
Flxq_auttrace_sqr 655362
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519378
Flxq_inv 335774
Flxq_inv_pre 4287593
Flxq_invsafe 670695
Flxq_invsafe_pre 5432478
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 170653
Flxq_minpoly 45993
Flxq_minpoly_pre 812383
Flxq_mul 13192530
Flxq_mul_pre 190020574
Flxq_norm 443332
Flxq_order 97328
Flxq_pow 948404
Flxq_pow_Frobenius 22886378
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23949960
Flxq_pow_table 0
Flxq_pow_table_pre 4392
Flxq_powers 232063
Flxq_powers_pre 22456347
Flxq_powu 488419
Flxq_powu_pre 24369389
Flxq_sqr 2763152
Flxq_sqr_pre 277910057
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_sqrtl_spec_pre 37666
Flxq_sqrtn 23095
Flxq_sqrtn_spec_pre 21901
Flxq_sumautsum_msqr 40915
Flxq_sumautsum_pre 210713
Flxq_sumautsum_sqr 295314
Flxq_trace 4696
Flxq_transmul 4226908
Flxq_transmul_init 1752144
RgXV_to_FlxV 7
RgX_to_Flx 2250299
Rg_to_F2 1710354
Rg_to_Fl 73222849
Rg_to_Flxq 3598752
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3813627
ZXV_to_FlxV 0
ZX_to_Flx 171026435
Z_mod2BIL_Flx 293603
Z_mod2BIL_Flx_2 296533
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561562
ZpX_invLaplace_init 497
_Fl2_mul 1984743
_Fl2_pow 690006
_Fl2_rand 118313
_Fl2_sqr 5070994
_Flx_add 0
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11008449
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
_Flxq_add 389834
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 148811413
_Flxq_neg 366572
_Flxq_one 22456992
_Flxq_pow 22878964
_Flxq_powu 68
_Flxq_powu_i 23113364
_Flxq_rand 6568
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 270101380
bounded_order 395394
gener_Flxq 7201
get_Fl_threshold 2332682605
get_Flx_red 991081384
get_Flxq_field 68902
get_Flxq_star 283446
init_invlaplace 12514
int_to_Flx 12216
int_to_Flx_half 507267
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 20872867
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 5657674
kron_unpack_Flx_bits_wide 5609239
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8407591
mkF2 7555484
monomial_Flx 944432
random_Flx 2652012
set_Flxq 68922
set_Flxq_pre 70071290
translate_basecase 42326
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6520103

Generated by: LCOV version 1.16