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 - ZV.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30374-15b900da95) Lines: 839 988 84.9 %
Date: 2025-07-08 09:22:12 Functions: 131 149 87.9 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Flc_lincomb1_inplace 29896206
QM_QC_mul 126986
QM_mul 558644
QM_sqr 700
RgM_check_ZM 644153
RgM_issquare 42
RgV_check_ZV 1499101
ZC_Q_mul 2757767
ZC_ZV_mul 0
ZC_Z_add 366852
ZC_Z_div 3676688
ZC_Z_divexact 5780722
ZC_Z_mul 36135975
ZC_Z_sub 0
ZC_add 27071471
ZC_add_i 37101674
ZC_copy 18130256
ZC_divexactu 2261
ZC_hnfdivrem 10681660
ZC_hnfdivrem_i 11308544
ZC_is_ei 174398
ZC_lincomb 34780123
ZC_lincomb1 16021251
ZC_lincomb1_inplace 64076153
ZC_lincomb1_inplace_i 75129883
ZC_lincomb_1 757509
ZC_modhnf 280
ZC_neg 6354453
ZC_reducemodlll 97983
ZC_reducemodmatrix 112288
ZC_reducemodmatrix_i 112288
ZC_sub 9086042
ZC_sub_i 9418519
ZC_z_mul 64252
ZMV_to_zmV 49
ZM_Q_mul 1140687
ZM_ZC_mul 25778891
ZM_ZC_mul_i 77291473
ZM_ZV_divrem 0
ZM_Z_div 19308
ZM_Z_divexact 530398
ZM_Z_mul 3378952
ZM_add 844579
ZM_copy 667170
ZM_det_triangular 4141822
ZM_diag_mul 578852
ZM_divexactu 441
ZM_equal 3494811
ZM_equal0 73997
ZM_hnfdivrem 491839
ZM_hnfdivrem_i 491855
ZM_isdiagonal 625677
ZM_ishnf 826661
ZM_isidentity 658095
ZM_isscalar 160986
ZM_max_expi 0
ZM_max_expi_i 0
ZM_max_lg 22781
ZM_max_lg_i 27466254
ZM_modhnf 14
ZM_mul 20855554
ZM_mul_classical 13659042
ZM_mul_diag 21
ZM_mul_fast 839
ZM_mul_i 21238235
ZM_mul_slice 1105
ZM_mul_sw 74295
ZM_mul_worker 1105
ZM_multosym 0
ZM_nc_mul_i 0
ZM_neg 1732117
ZM_nm_mul 0
ZM_pow 0
ZM_powu 23631
ZM_reducemodlll 0
ZM_reducemodmatrix 239859
ZM_reducemodmatrix_i 239857
ZM_sqr 25235
ZM_sqr_fast 0
ZM_sqr_i 25235
ZM_sqr_slice 0
ZM_sqr_worker 0
ZM_sub 156846
ZM_supnorm 4260
ZM_to_zm 1022
ZM_togglesign 0
ZM_transmul 2289
ZM_transmultosym 532221
ZM_zc_mul 17289547
ZM_zc_mul_i 19357854
ZM_zm_mul 976730
ZMrow_ZC_mul 135846701
ZMrow_ZC_mul_i 587398661
ZMrow_equal0 16231
ZRED 1170485
ZV_ZM_mul 231175
ZV_ZV_divrem 7
ZV_abscmp 19747
ZV_cmp 3249934
ZV_content 300440
ZV_dotproduct 16635620
ZV_dotproduct_i 19468534
ZV_dotsquare 6856140
ZV_equal 293282
ZV_equal0 14707803
ZV_equal_lg 6510760
ZV_max_expi 0
ZV_max_expi_i 0
ZV_max_lg 10640
ZV_max_lg_i 110668463
ZV_neg_inplace 391042
ZV_prod 8855946
ZV_sum 77
ZV_to_nv 496644
ZV_togglesign 5128634
ZV_zc_mul 2229528
Z_ZC_sub 584533
ZincrementalGS 1279135
Zupdate_row 402314
_ZM_mul 280
_ZM_sqr 24156
_mulii 319217289
add_slices 594360
check_ZV 2029190
matmodhnf 49
matmodhnf_check 98
nm_Z_mul 0
subtract_slices 520065
sw_bound 13733339
vecsmall_prod 14694393
zmV_to_ZMV 126
zm_to_Flm 22694
zm_to_ZM 157961
zvV_equal 1638
zv_ZM_mul 2408
zv_abs 77
zv_canon_inplace 22921521
zv_content 18464401
zv_dotproduct 196399119
zv_equal 30996412
zv_equal0 23113188
zv_neg 51871
zv_neg_inplace 126
zv_prod 950987
zv_prod_Z 1933118
zv_sum 16511
zv_sumpart 0
zv_to_Flv 366646
zv_z_mul 28659

Generated by: LCOV version 1.16