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 - rootpol.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30347-cb65b7994e) Lines: 1468 1530 95.9 %
Date: 2025-06-27 09:22:08 Functions: 116 119 97.5 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
FFT 56
FFT_i 98
FFTinv 56
QX_complex_roots 290021
RgX_gtofp_bit 7023462
RgX_normalize1 35887
X2XP1 5989895
ZX_Uspensky 1313782
ZX_Uspensky_equal 28
ZX_Uspensky_equal_yes 14
ZX_Uspensky_no 21
ZX_deg1root 15275
ZX_graeffe 5383
ZX_realroots_irred 48625
ZX_rescale2prim 2233613
ZX_sturm 6395
ZX_sturm_i 123157
ZX_sturm_irred 116762
ZX_sturmpart 1128175
ZX_to_ZiX 16453066
ZiX_sqr 99013361
_gen_nored 11174281
_gen_one 14443045
_gen_zero 325988
_intervalcmp 0
_mp_add 24651779
_mp_cmul 34725020
_mp_mul 4373463
_mp_sqr 6291967
_mp_sub 0
_sqrtnr 22710
a_posteriori_errors 530656
abs_update 8003726
abs_update_r 778445
all_roots 529608
append_clone 1603031
bkeval_single_power 5223425
check_ab 1178802
checkbound 2354732
checkvalidpol 266941
clean_roots 529653
cleanroots 231644
cmp_complex_appr 2231728
conformal_basecase 1403458
conformal_mapping 467779
conformal_pol 1403575
dblexp 6547311
dbllog2 300574760
dft 502216
dual_modulus 1012167
eval_rel_pol 13134982
fft 14157489
fft2 7462
findpower 40946843
fix_roots 530655
fix_roots1 394085
fujiwara_bound 2265020
fujiwara_bound_real 1406769
graeffe 49495872
homothetie 1609656
homothetie2n 9955132
homothetie_gauss 36488880
ind_maxlog2 902396
initdft 996046
isexactpol 239634
isexactscalar 931280
isreal 961612
isvalidcoeff 1229675
logmax_modulus 4449677
logmin_modulus 1614356
logmodulus 606601
logpre_modulus 606600
logradius 493825
lower_bound 40945498
mydbllog2i 224297146
mydbllog2r 56778762
mydbllogr 9544639
mygprec 63699794
mygprec_absolute 4300448
mygprec_special 530661
mygprecrc 214995259
mygprecrc_special 2161050
myshiftic 135783815
myshiftrc 35498759
newton_polygon 5505823
optimize_split 493830
parameters 493830
pol_to_gaussint 17584597
polgraeffe 14
polmod_to_embed 84
polrootsbound 27300
polrootsbound_i 27293
polsolve 166631
quicktofp 6960991
realroots 50627
refine_F 502214
refine_H 2459752
root_error 1899191
roots 8018
roots_aux 239662
roots_com 239634
rootsdeg0 42
scalepol 4288083
scalepol2n 0
sol_ok 3378
solve_exact_pol 231040
split_0 494153
split_0_1 468103
split_0_2 468103
split_1 467783
split_2 493830
split_complete 1518961
split_fromU 493830
split_pols 166632
splitcauchy 166638
splitpoleval 5223685
tocomplex 1201013
update_radius 493826
usp 1125907

Generated by: LCOV version 1.16