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 30550-07450a7a86) Lines: 2553 2914 87.6 %
Date: 2025-11-19 09:22:25 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 462318
Fl2_inv_pre 201973
Fl2_mul_pre 2014318
Fl2_norm_pre 128194
Fl2_pow_pre 689842
Fl2_sqr_pre 5074841
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78415
Fl_Flxq_log 35539
Fl_Xp1_powu 0
Fl_to_Flx 21232908
Flm_to_FlxV 2772
FlvV_polint_tree 2540805
Flv_Flm_polint 103491
Flv_inv 1744790
Flv_invVandermonde 153445
Flv_inv_i 1756801
Flv_inv_indir 51283
Flv_inv_inplace 12017
Flv_inv_pre 10049
Flv_inv_pre_indir 21419424
Flv_inv_pre_inplace 19690568
Flv_polint 1486577
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1745995
Flv_roots_to_pol 795653
Flv_to_Flx 25514256
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 325154
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 297722
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28968
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171887
FlxV_to_Flm_lg 12984144
FlxV_to_FlxX 397977
FlxV_to_ZXV 606913
FlxV_to_ZXV_inplace 3031437
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10029946
Flx_Fl_mul 7329213
Flx_Fl_mul_pre 18301345
Flx_Fl_mul_to_monic 12028837
Flx_Fl_sub 151843
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786298
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13182870
Flx_Flxq_eval 791708
Flx_Flxq_eval_pre 2448959
Flx_Frobenius 86486
Flx_Frobenius_pre 13815785
Flx_Laplace 27344
Flx_Newton 54106
Flx_add 64937788
Flx_addmulmul 416801
Flx_addshift 3728641
Flx_addspec 7257702
Flx_blocks 517206
Flx_blocks_Flm 12983304
Flx_composedprod 0
Flx_composedsum 27557
Flx_convol 0
Flx_deflate 421043
Flx_deriv 22988850
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 34770640
Flx_divrem 30453712
Flx_divrem_Barrett 605615
Flx_divrem_Barrettspec 906297
Flx_divrem_basecase 62328271
Flx_divrem_pre 79770206
Flx_double 2445177
Flx_equal 27091957
Flx_eval 20418707
Flx_eval2BILspec 579089
Flx_eval_powers_pre 48607183
Flx_eval_pre 136402234
Flx_extgcd 857253
Flx_extgcd_basecase 6289642
Flx_extgcd_halfgcd 146652
Flx_extgcd_pre 6289645
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109397
Flx_gcd 34269737
Flx_gcd_basecase 85214089
Flx_gcd_pre 86882387
Flx_get_red 14506547
Flx_get_red_pre 97559944
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1130119
Flx_halfgcd_all_pre 1130124
Flx_halfgcd_pre 875738
Flx_halfres_basecase 1137196
Flx_halfres_i 1157163
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 161331
Flx_integ 0
Flx_integXn 422814
Flx_invBarrett 0
Flx_invBarrett_Newton 23161
Flx_invBarrett_basecase 134340
Flx_invBarrett_pre 158801
Flx_invLaplace 54373
Flx_is_l_pow 8213
Flx_is_smooth 74256
Flx_is_smooth_pre 119511
Flx_is_smooth_squarefree 127768
Flx_is_squarefree 9184208
Flx_lgrenormalizespec 2135127
Flx_matFrobenius 0
Flx_matFrobenius_pre 86567
Flx_mod_Xn1 31764
Flx_mod_Xnm1 5056855
Flx_mul 27839960
Flx_mul_pre 377829848
Flx_mulhigh_i 939136
Flx_mullimb 1189127126
Flx_mullimb_ok 3384232096
Flx_mulspec 383423795
Flx_mulspec_Kronecker 7298438
Flx_mulspec_basecase 345786303
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10144
Flx_mulspec_mulii_inflate 282089
Flx_mulspec_quartmulii 97164
Flx_neg 3265421
Flx_neg_inplace 1778757
Flx_negspec 3265413
Flx_normalize 63991486
Flx_powu 0
Flx_powu_pre 3971
Flx_recip 0
Flx_recipspec 7304256
Flx_red 1883903
Flx_rem 42231593
Flx_rem_basecase 802150008
Flx_rem_pre 926829203
Flx_renormalize 2153758942
Flx_rescale 1117
Flx_resultant 4735352
Flx_resultant_basecase_pre 14621680
Flx_resultant_pre 14623706
Flx_shift 27415759
Flx_shiftip 633519176
Flx_splitting 147725
Flx_sqr 354691
Flx_sqr_pre 279551519
Flx_sqrspec 279680657
Flx_sqrspec_Kronecker 691236
Flx_sqrspec_basecase 278935900
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2070
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138720385
Flx_subspec 898843
Flx_to_Flv 66698781
Flx_to_FlxX 71629
Flx_to_ZX 38306497
Flx_to_ZX_inplace 36577641
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204547
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049887
Flx_unscale 0
Flx_val 4493535
Flx_valrem 27455090
Flxn_div 55182
Flxn_div_pre 55197
Flxn_exp 0
Flxn_expint 109390
Flxn_inv 1037
Flxn_mul 75838
Flxn_mul_pre 5169040
Flxn_mulhigh 517145
Flxn_recip 217421
Flxn_red 6340495
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 69453
Flxq_autpow_sqr 47317
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112473
Flxq_autsum_pre 98769
Flxq_autsum_sqr 105111
Flxq_auttrace 0
Flxq_auttrace_mul 782860
Flxq_auttrace_pre 962547
Flxq_auttrace_sqr 655332
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417763
Flxq_easylog 519352
Flxq_inv 335766
Flxq_inv_pre 4287527
Flxq_invsafe 670698
Flxq_invsafe_pre 5432397
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 45979
Flxq_minpoly_pre 812045
Flxq_mul 13192522
Flxq_mul_pre 189635786
Flxq_norm 443325
Flxq_order 97328
Flxq_pow 948359
Flxq_pow_Frobenius 22604239
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23667708
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232071
Flxq_powers_pre 22448665
Flxq_powu 488427
Flxq_powu_pre 24368912
Flxq_sqr 2763155
Flxq_sqr_pre 278519084
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 4225266
Flxq_transmul_init 1751458
RgXV_to_FlxV 7
RgX_to_Flx 2250314
Rg_to_F2 1710420
Rg_to_Fl 73222380
Rg_to_Flxq 3598618
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3814523
ZXV_to_FlxV 0
ZX_to_Flx 171034446
Z_mod2BIL_Flx 293611
Z_mod2BIL_Flx_2 296541
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561638
ZpX_invLaplace_init 497
_Fl2_mul 1985271
_Fl2_pow 689832
_Fl2_rand 118293
_Fl2_sqr 5074794
_Flx_add 389834
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11014108
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 148392176
_Flxq_neg 366572
_Flxq_one 22447546
_Flxq_pow 22596828
_Flxq_powu 68
_Flxq_powu_i 23113079
_Flxq_rand 6576
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 270520383
bounded_order 395394
gener_Flxq 7201
get_Fl_threshold 2331923276
get_Flx_red 990852603
get_Flxq_field 68902
get_Flxq_star 283446
init_invlaplace 12514
int_to_Flx 12216
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 20881446
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 5660263
kron_unpack_Flx_bits_wide 5611972
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8411505
mkF2 7560640
monomial_Flx 944077
random_Flx 2651350
set_Flxq 68922
set_Flxq_pre 69782917
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6536578

Generated by: LCOV version 1.16