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 30604-e5d817ee12) Lines: 2553 2925 87.3 %
Date: 2026-01-08 09:21:40 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 2067
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 3625
Flv_prod_pre 3719
_Flx_composedsum 3882
Flx_powu_pre 4012
Flxq_pow_table_pre 4392
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5463
_Flxq_s 6567
_Flxq_rand 6576
Flx_FlxM_qmul 6927
FlxM_mul2 7098
gener_Flxq 7201
Flx_is_l_pow 8180
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 9646
Flx_mulspec_mulii 10143
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 12217
init_invlaplace 12514
Flx_halve 14026
Flx_diff1 14392
Flx_translate1 16848
Flx_halfres_split 19964
Flxq_autpow_msqr 20698
Flxq_sqrtn_spec_pre 21901
FlxM_eval_powers_pre 22302
Flxq_sqrtn 23094
Flx_invBarrett_Newton 23161
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 26000
Flx_Laplace 27358
Flx_composedsum 27556
FlxV_composedsum 28973
Flx_translate1_basecase 29138
Flx_mod_Xn1 31508
FlxV_Flc_mul 34482
Fl_Flxq_log 35556
Flxq_sqrtl_spec_pre 37666
Flxq_sumautsum_msqr 40915
translate_basecase 42303
kron_unpack_Flx 42785
Flxq_minpoly 45937
FlxM_pack_ZM 46835
Flxq_autpow_sqr 47317
Flv_inv_indir 52210
kron_pack_Flx_spec 53168
Flx_Newton 54104
Flx_invLaplace 54393
Flxn_div 55195
Flxn_div_pre 55208
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65849
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flxq_autpow_pre 69450
Flx_to_FlxX 71405
Flx_is_smooth 74256
Flxn_mul 75848
Fl2_sqrtn_pre 76056
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_matFrobenius_pre 86566
Flx_Frobenius 86619
Flx_mulspec_quartmulii 97163
Flxq_order 97328
Flxq_autsum_pre 98768
FlxC_to_ZXC 104060
Flv_Flm_polint 104561
Flxq_autsum_sqr 105110
int_to_Flx_quart 107385
Flxn_expint 109398
Flx_fromNewton 109402
Flxq_autsum_mul 112472
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
_Fl2_rand 113884
FlxM_pack_ZM_bits 116239
Flx_is_smooth_pre 118446
Flx_is_smooth_squarefree 126638
Fl2_norm_pre 127593
Flx_invBarrett_basecase 134392
Flx_extgcd_halfgcd 146655
Flx_splitting 148011
Flx_Fl_sub 151681
Flv_invVandermonde 153445
Flx_invBarrett_pre 158854
Flx_inflate 161024
Flxq_log 164210
Flxq_matrix_pow_pre 170662
FlxV_to_Flm 171881
Fl2_inv_pre 197212
Flx_to_int_quartspec 204546
Flxq_sumautsum_pre 210713
Flxn_recip 217437
Flxq_sqrt 230547
Flxq_sqrt_pre 230547
Flxq_powers 231998
FlxqC_red_pre 234845
Flxq_div 237864
get_Flxq_star 283439
Flx_mulspec_mulii_inflate 294053
Flxq_sumautsum_sqr 295314
FlxT_red 300288
Z_mod2BIL_Flx 305867
Z_mod2BIL_Flx_2 308797
FlxC_eval_powers_pre 325153
Flxq_inv 335771
Flx_sqr 354795
_Flxq_neg 366572
_Flxq_add 389834
bounded_order 395396
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416805
Flx_deflate 420797
Flx_integXn 422812
Flxq_norm 443129
Fl2_equal1 449659
Flx_to_int_halfspec 468590
Flxq_powu 488335
int_to_Flx_half 507058
Flxn_mulhigh 517360
Flx_blocks 517401
Flxq_easylog 519357
Flx_eval2BILspec 603309
Flx_divrem_Barrett 606269
FlxV_to_ZXV 606731
Flxq_auttrace_sqr 652798
Flxq_invsafe 670307
_Fl2_pow 671362
Fl2_pow_pre 671385
kron_pack_Flx_spec_half 688104
Flx_sqrspec_Kronecker 695176
Flxq_auttrace_mul 780107
Flx_Flxq_eval 791290
Flxq_minpoly_pre 809678
Flv_roots_to_pol 842006
Flx_extgcd 856686
Flx_halfgcd_pre 873060
Flx_subspec 900218
Flx_divrem_Barrettspec 907798
Flx_mulhigh_i 939472
monomial_Flx 941125
Flxq_pow 948224
Flxq_auttrace_pre 959902
Flx_triple 1049261
Flx_halfgcd_all_i 1126650
Flx_halfgcd_all_pre 1126661
Flx_halfres_basecase 1133725
Flx_halfres_i 1153693
_Flxq_rmul 1461838
Flv_polint 1485160
_Flxq_red 1550928
Rg_to_F2 1710475
Flv_inv 1744434
Flv_producttree 1745652
Flxq_transmul_init 1746101
Flv_inv_i 1756442
Flx_neg_inplace 1777875
Flx_Flv_multieval_tree 1785958
Flx_red 1885402
_Fl2_mul 1923849
Fl2_mul_pre 1952887
Flx_lgrenormalizespec 2137855
RgX_to_Flx 2249944
Flxq_div_pre 2416819
Flx_double 2443925
Flx_Flxq_eval_pre 2444541
FlvV_polint_tree 2587259
random_Flx 2645896
Flxq_sqr 2763146
FlxV_to_ZXV_inplace 3031551
Flx_negspec 3265825
Flx_neg 3265839
Rg_to_Flxq 3588264
Flx_addshift 3724675
ZXT_to_FlxT 3814526
Flxq_transmul 4212115
Flxq_inv_pre 4286460
Flx_val 4467833
Flx_resultant 4733638
Flx_mod_Xnm1 4907498
Fl2_sqr_pre 4909052
_Fl2_sqr 4909087
Flxn_mul_pre 5161726
Flxq_invsafe_pre 5429324
kron_unpack_Flx_bits_narrow 5662744
kron_unpack_Flx_bits_wide 5670737
Flx_extgcd_pre 6285993
Flx_extgcd_basecase 6286017
Flxn_red 6334585
zx_to_Flx 6391542
Flx_addspec 7250880
Flx_recipspec 7291092
mkF2 7322207
Flx_Fl_mul 7328741
Flx_mulspec_Kronecker 7355065
Z_to_Flx 7556514
maxbitcoeffpol 8484410
Flx_is_squarefree 9180513
Flx_Fl_add 9844271
_Flx_mul 11780454
Flx_Fl_mul_to_monic 11854895
Flx_blocks_Flm 12966327
FlxV_to_Flm_lg 12967112
Flx_FlxqV_eval_pre 13165847
Flxq_mul 13192515
Flx_Frobenius_pre 13812302
Flx_get_red 14503327
Flx_resultant_basecase_pre 14597863
Flx_resultant_pre 14600078
Flx_Fl_mul_pre 18292410
Flv_inv_pre_inplace 19336046
Flx_eval 20417344
kron_pack_Flx_spec_bits 20997763
Flv_inv_pre_indir 21070788
Fl_to_Flx 21936549
_Flxq_one 22435892
Flxq_powers_pre 22436091
_Flxq_powu_i 22923162
Flx_deriv 22982547
_Flxq_pow 23401968
Flxq_pow_Frobenius 23409375
Flxq_powu_pre 24176743
Flxq_pow_pre 24472851
Flv_to_Flx 25484692
Flx_shift 27380347
Flx_mul 27808472
Flx_equal 27959205
Flx_valrem 28463523
Flx_divrem 30448592
Flx_gcd 35018444
Flx_div_by_X_x 36548350
Flx_to_ZX_inplace 36572606
Flx_to_ZX 38297762
Flx_rem 42215937
Flx_eval_powers_pre 48525638
Flx_divrem_basecase 62278094
Flx_normalize 64794660
Flx_add 66107273
Flx_to_Flv 66639698
set_Flxq_pre 70386052
Rg_to_Fl 73209310
Flx_divrem_pre 79720567
Flx_gcd_basecase 85771347
Flx_gcd_pre 87429943
Flx_get_red_pre 98133621
Flx_eval_pre 136163360
Flx_sub 138632693
_Flxq_mul 148886071
ZX_to_Flx 171018823
Flxq_mul_pre 190095545
_Flxq_sqr 268334918
Flxq_sqr_pre 276217939
Flx_sqrspec_basecase 276645450
Flx_sqr_pre 277194455
Flx_sqrspec 277353428
Flx_mulspec_basecase 349187007
Flx_mul_pre 381288987
Flx_mulspec 386881457
Flx_shiftip 634914714
Flx_rem_basecase 801823409
Flx_rem_pre 925802585
get_Flx_red 989816792
Flx_mullimb 1185103522
Flx_renormalize 2157311643
get_Fl_threshold 2335274113
Flx_mullimb_ok 3405766995

Generated by: LCOV version 1.16