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: 2025-12-05 09:21:30 Functions: 304 363 83.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 463133
Fl2_inv_pre 202214
Fl2_mul_pre 2015612
Fl2_norm_pre 128234
Fl2_pow_pre 690915
Fl2_sqr_pre 5073891
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78480
Fl_Flxq_log 35538
Fl_Xp1_powu 0
Fl_to_Flx 21211351
Flm_to_FlxV 2772
FlvV_polint_tree 2540796
Flv_Flm_polint 103492
Flv_inv 1744844
Flv_invVandermonde 153445
Flv_inv_i 1756851
Flv_inv_indir 51282
Flv_inv_inplace 12017
Flv_inv_pre 10048
Flv_inv_pre_indir 21342143
Flv_inv_pre_inplace 19613511
Flv_polint 1486626
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1746040
Flv_roots_to_pol 795582
Flv_to_Flx 25521766
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 325158
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 22301
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 293619
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28960
FlxV_factorback 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171884
FlxV_to_Flm_lg 12989338
FlxV_to_FlxX 397977
FlxV_to_ZXV 606931
FlxV_to_ZXV_inplace 3032220
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10028267
Flx_Fl_mul 7327162
Flx_Fl_mul_pre 18297116
Flx_Fl_mul_to_monic 12029124
Flx_Fl_sub 151851
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786346
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13187877
Flx_Flxq_eval 791761
Flx_Flxq_eval_pre 2449877
Flx_Frobenius 86484
Flx_Frobenius_pre 13819933
Flx_Laplace 27342
Flx_Newton 54102
Flx_add 64920092
Flx_addmulmul 416799
Flx_addshift 3728641
Flx_addspec 7257702
Flx_blocks 516788
Flx_blocks_Flm 12988172
Flx_composedprod 0
Flx_composedsum 27550
Flx_convol 0
Flx_deflate 421066
Flx_deriv 22990447
Flx_diff1 14421
Flx_digits 0
Flx_div_by_X_x 34737277
Flx_divrem 30452611
Flx_divrem_Barrett 604485
Flx_divrem_Barrettspec 905068
Flx_divrem_basecase 62329327
Flx_divrem_pre 79762362
Flx_double 2445177
Flx_equal 26940545
Flx_eval 20401134
Flx_eval2BILspec 579073
Flx_eval_powers_pre 48564682
Flx_eval_pre 136355136
Flx_extgcd 857314
Flx_extgcd_basecase 6289760
Flx_extgcd_halfgcd 146651
Flx_extgcd_pre 6289734
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109399
Flx_gcd 34258439
Flx_gcd_basecase 85193818
Flx_gcd_pre 86857905
Flx_get_red 14511894
Flx_get_red_pre 97352435
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1129744
Flx_halfgcd_all_pre 1129754
Flx_halfgcd_pre 876104
Flx_halfres_basecase 1136824
Flx_halfres_i 1156788
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160248
Flx_integ 0
Flx_integXn 422715
Flx_invBarrett 0
Flx_invBarrett_Newton 23160
Flx_invBarrett_basecase 134338
Flx_invBarrett_pre 158797
Flx_invLaplace 54370
Flx_is_l_pow 8174
Flx_is_smooth 74256
Flx_is_smooth_pre 118391
Flx_is_smooth_squarefree 126521
Flx_is_squarefree 9184437
Flx_lgrenormalizespec 2132844
Flx_matFrobenius 0
Flx_matFrobenius_pre 86568
Flx_mod_Xn1 31769
Flx_mod_Xnm1 5056765
Flx_mul 27827849
Flx_mul_pre 377018830
Flx_mulhigh_i 938500
Flx_mullimb 1189131052
Flx_mullimb_ok 3368749504
Flx_mulspec 382724674
Flx_mulspec_Kronecker 7293296
Flx_mulspec_basecase 345392375
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10140
Flx_mulspec_mulii_inflate 282081
Flx_mulspec_quartmulii 97164
Flx_neg 3264184
Flx_neg_inplace 1778757
Flx_negspec 3264173
Flx_normalize 63980874
Flx_powu 0
Flx_powu_pre 3908
Flx_recip 0
Flx_recipspec 7303441
Flx_red 1880363
Flx_rem 42215622
Flx_rem_basecase 801050151
Flx_rem_pre 925192946
Flx_renormalize 2152390634
Flx_rescale 1117
Flx_resultant 4736409
Flx_resultant_basecase_pre 14622662
Flx_resultant_pre 14624814
Flx_shift 27422783
Flx_shiftip 632244251
Flx_splitting 147267
Flx_sqr 354636
Flx_sqr_pre 278258175
Flx_sqrspec 278591144
Flx_sqrspec_Kronecker 691096
Flx_sqrspec_basecase 278678664
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2067
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138706281
Flx_subspec 897553
Flx_to_Flv 66713453
Flx_to_FlxX 71643
Flx_to_ZX 38307636
Flx_to_ZX_inplace 36574914
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204546
Flx_translate1 17081
Flx_translate1_basecase 29173
Flx_triple 1049887
Flx_unscale 0
Flx_val 4489520
Flx_valrem 27429417
Flxn_div 55147
Flxn_div_pre 55190
Flxn_exp 0
Flxn_expint 109396
Flxn_inv 1037
Flxn_mul 75848
Flxn_mul_pre 5168577
Flxn_mulhigh 516690
Flxn_recip 217272
Flxn_red 6339720
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 782907
Flxq_auttrace_pre 962889
Flxq_auttrace_sqr 655397
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519380
Flxq_inv 335770
Flxq_inv_pre 4287579
Flxq_invsafe 670638
Flxq_invsafe_pre 5432453
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 170665
Flxq_minpoly 45993
Flxq_minpoly_pre 812426
Flxq_mul 13192530
Flxq_mul_pre 188981021
Flxq_norm 443327
Flxq_order 97328
Flxq_pow 948399
Flxq_pow_Frobenius 22390128
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23453637
Flxq_pow_table 0
Flxq_pow_table_pre 4392
Flxq_powers 232068
Flxq_powers_pre 22454787
Flxq_powu 488430
Flxq_powu_pre 24366009
Flxq_sqr 2763153
Flxq_sqr_pre 277300186
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_sqrtl_spec_pre 37667
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 4226955
Flxq_transmul_init 1752176
RgXV_to_FlxV 7
RgX_to_Flx 2250312
Rg_to_F2 1710332
Rg_to_Fl 73222732
Rg_to_Flxq 3598790
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3813453
ZXV_to_FlxV 0
ZX_to_Flx 171025431
Z_mod2BIL_Flx 293603
Z_mod2BIL_Flx_2 296533
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561697
ZpX_invLaplace_init 497
_Fl2_mul 1986594
_Fl2_pow 690904
_Fl2_rand 118400
_Fl2_sqr 5073920
_Flx_add 0
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11008579
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
_Flxq_add 389834
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 147774969
_Flxq_neg 366572
_Flxq_one 22454039
_Flxq_pow 22382716
_Flxq_powu 68
_Flxq_powu_i 23111339
_Flxq_rand 6564
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 269494737
bounded_order 395388
gener_Flxq 7201
get_Fl_threshold 2326443811
get_Flx_red 989245700
get_Flxq_field 68902
get_Flxq_star 283446
init_invlaplace 12514
int_to_Flx 12217
int_to_Flx_half 507268
int_to_Flx_quart 107385
kron_pack_Flx_spec 53168
kron_pack_Flx_spec_2 3389
kron_pack_Flx_spec_3 0
kron_pack_Flx_spec_bits 20870747
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 5656797
kron_unpack_Flx_bits_wide 5609100
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8406428
mkF2 7560945
monomial_Flx 944448
random_Flx 2652037
set_Flxq 68922
set_Flxq_pre 69570018
translate_basecase 42339
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6532179

Generated by: LCOV version 1.16