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 30571-c0dfe82732) Lines: 2553 2925 87.3 %
Date: 2025-12-06 09:22:10 Functions: 304 363 83.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 462377
Fl2_inv_pre 201963
Fl2_mul_pre 2012763
Fl2_norm_pre 128176
Fl2_pow_pre 689838
Fl2_sqr_pre 5069131
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78335
Fl_Flxq_log 35549
Fl_Xp1_powu 0
Fl_to_Flx 21215330
Flm_to_FlxV 2772
FlvV_polint_tree 2540871
Flv_Flm_polint 103491
Flv_inv 1744778
Flv_invVandermonde 153445
Flv_inv_i 1756787
Flv_inv_indir 51281
Flv_inv_inplace 12017
Flv_inv_pre 10048
Flv_inv_pre_indir 21380891
Flv_inv_pre_inplace 19651881
Flv_polint 1486569
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1745984
Flv_roots_to_pol 795704
Flv_to_Flx 25521926
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 325156
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 301287
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28975
FlxV_factorback 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171882
FlxV_to_Flm_lg 12989730
FlxV_to_FlxX 397977
FlxV_to_ZXV 606924
FlxV_to_ZXV_inplace 3032227
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10031899
Flx_Fl_mul 7328399
Flx_Fl_mul_pre 18298186
Flx_Fl_mul_to_monic 12030473
Flx_Fl_sub 151857
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786280
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13188382
Flx_Flxq_eval 791721
Flx_Flxq_eval_pre 2449837
Flx_Frobenius 86485
Flx_Frobenius_pre 13819350
Flx_Laplace 27346
Flx_Newton 54098
Flx_add 64927493
Flx_addmulmul 416799
Flx_addshift 3728641
Flx_addspec 7257702
Flx_blocks 516744
Flx_blocks_Flm 12988551
Flx_composedprod 0
Flx_composedsum 27541
Flx_convol 0
Flx_deflate 421052
Flx_deriv 22989166
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 34762212
Flx_divrem 30452291
Flx_divrem_Barrett 606599
Flx_divrem_Barrettspec 907163
Flx_divrem_basecase 62328529
Flx_divrem_pre 79760873
Flx_double 2445177
Flx_equal 26942169
Flx_eval 20405966
Flx_eval2BILspec 579099
Flx_eval_powers_pre 48543821
Flx_eval_pre 136360174
Flx_extgcd 857301
Flx_extgcd_basecase 6289830
Flx_extgcd_halfgcd 146652
Flx_extgcd_pre 6289818
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109403
Flx_gcd 34268025
Flx_gcd_basecase 85205045
Flx_gcd_pre 86870134
Flx_get_red 14511572
Flx_get_red_pre 97351343
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1129892
Flx_halfgcd_all_pre 1129896
Flx_halfgcd_pre 876237
Flx_halfres_basecase 1136971
Flx_halfres_i 1156936
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160876
Flx_integ 0
Flx_integXn 422725
Flx_invBarrett 0
Flx_invBarrett_Newton 23160
Flx_invBarrett_basecase 134338
Flx_invBarrett_pre 158800
Flx_invLaplace 54378
Flx_is_l_pow 8128
Flx_is_smooth 74256
Flx_is_smooth_pre 118088
Flx_is_smooth_squarefree 126206
Flx_is_squarefree 9184333
Flx_lgrenormalizespec 2137051
Flx_matFrobenius 0
Flx_matFrobenius_pre 86569
Flx_mod_Xn1 31769
Flx_mod_Xnm1 5057539
Flx_mul 27831711
Flx_mul_pre 377147710
Flx_mulhigh_i 938429
Flx_mullimb 1188729245
Flx_mullimb_ok 3372048891
Flx_mulspec 382852897
Flx_mulspec_Kronecker 7299730
Flx_mulspec_basecase 345487981
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10140
Flx_mulspec_mulii_inflate 282094
Flx_mulspec_quartmulii 97160
Flx_neg 3266240
Flx_neg_inplace 1778757
Flx_negspec 3266224
Flx_normalize 63987221
Flx_powu 0
Flx_powu_pre 4027
Flx_recip 0
Flx_recipspec 7308450
Flx_red 1887160
Flx_rem 42213401
Flx_rem_basecase 801441363
Flx_rem_pre 925556447
Flx_renormalize 2152928857
Flx_rescale 1117
Flx_resultant 4736069
Flx_resultant_basecase_pre 14622640
Flx_resultant_pre 14624603
Flx_shift 27421932
Flx_shiftip 632614675
Flx_splitting 148118
Flx_sqr 354778
Flx_sqr_pre 278534716
Flx_sqrspec 278869590
Flx_sqrspec_Kronecker 691296
Flx_sqrspec_basecase 278968461
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2066
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138714649
Flx_subspec 899626
Flx_to_Flv 66714587
Flx_to_FlxX 71643
Flx_to_ZX 38308053
Flx_to_ZX_inplace 36575460
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204539
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049887
Flx_unscale 0
Flx_val 4485918
Flx_valrem 27440529
Flxn_div 55138
Flxn_div_pre 55179
Flxn_exp 0
Flxn_expint 109396
Flxn_inv 1037
Flxn_mul 75847
Flxn_mul_pre 5167858
Flxn_mulhigh 516639
Flxn_recip 217284
Flxn_red 6339255
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 20698
Flxq_autpow_pre 69456
Flxq_autpow_sqr 47324
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112490
Flxq_autsum_pre 98774
Flxq_autsum_sqr 105124
Flxq_auttrace 0
Flxq_auttrace_mul 783003
Flxq_auttrace_pre 963017
Flxq_auttrace_sqr 655492
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519388
Flxq_inv 335770
Flxq_inv_pre 4287584
Flxq_invsafe 670733
Flxq_invsafe_pre 5432552
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 170663
Flxq_minpoly 45993
Flxq_minpoly_pre 812496
Flxq_mul 13192548
Flxq_mul_pre 189053759
Flxq_norm 443326
Flxq_order 97328
Flxq_pow 948492
Flxq_pow_Frobenius 22390148
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23453813
Flxq_pow_table 0
Flxq_pow_table_pre 4392
Flxq_powers 232062
Flxq_powers_pre 22454115
Flxq_powu 488426
Flxq_powu_pre 24366588
Flxq_sqr 2763153
Flxq_sqr_pre 277558783
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_sqrtl_spec_pre 37667
Flxq_sqrtn 23093
Flxq_sqrtn_spec_pre 21901
Flxq_sumautsum_msqr 40915
Flxq_sumautsum_pre 210713
Flxq_sumautsum_sqr 295314
Flxq_trace 4696
Flxq_transmul 4227508
Flxq_transmul_init 1752443
RgXV_to_FlxV 7
RgX_to_Flx 2250320
Rg_to_F2 1710497
Rg_to_Fl 73223976
Rg_to_Flxq 3598768
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3815471
ZXV_to_FlxV 0
ZX_to_Flx 171025186
Z_mod2BIL_Flx 293616
Z_mod2BIL_Flx_2 296546
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561512
ZpX_invLaplace_init 497
_Fl2_mul 1983729
_Fl2_pow 689827
_Fl2_rand 118192
_Fl2_sqr 5069134
_Flx_add 0
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11008485
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
_Flxq_add 389834
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 147841785
_Flxq_neg 366572
_Flxq_one 22453856
_Flxq_pow 22382736
_Flxq_powu 68
_Flxq_powu_i 23111309
_Flxq_rand 6573
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 269739403
bounded_order 395402
gener_Flxq 7201
get_Fl_threshold 2327458035
get_Flx_red 989568246
get_Flxq_field 68902
get_Flxq_star 283444
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 20884000
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 5663219
kron_unpack_Flx_bits_wide 5609575
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8413067
mkF2 7552834
monomial_Flx 944573
random_Flx 2652373
set_Flxq 68922
set_Flxq_pre 69568701
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6523537

Generated by: LCOV version 1.16