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:

• with GMP kernel
• with GMP kernel using --mt=pthread
• with native kernel, including micro-assembler code
• with native kernel, without micro-assembler
• with native kernel, without micro-assembler, disabling GCC extensions (DISABLE_INLINE)
• with GMP kernel, emulating an x86_32 architecture at Configure time via setarch

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 - base5.c (source / functions) Hit Total Coverage Test: PARI/GP v2.18.1 lcov report (development 30702-bddb8d6928) Lines: 1085 1587 68.4 % Date: 2026-02-23 02:23:56 Functions: 75 88 85.2 % Legend: Lines: hit not hit

Function Name	Hit count
K6_invar	0
K6_pol	0
condliftA4	0
condliftA5	0
condliftS4	0
condliftpA4	0
condliftpA5	0
condliftpS4	0
decind	0
decmat	0
eltdown	0
nfsnf	0
rnfidealreltoabs	0
rnfpolred	5
nfreduce	6
RgV_find_denom	10
mattocomplex	10
nf_all_roots	10
rnfT2	10
rnflllgram	10
rnfidealfactor	25
fail	36
nfsnf0	36
rnfidealmul	40
check_0	60
do_SWAP	70
prodidnorm	75
rnfpseudobasis	91
rnfideal0	110
nftau	140
rnfidealnormrel	140
rnfidealnormabs	145
rowcomb	146
rnfidealdown	155
rnfidealup	160
rnfidealreltoabs0	170
rnfidealup0	175
rnfidealtwoelement	185
element_mulvecrow	234
rnfscal	255
RED	260
findmin	260
nf_rnfeqsimple	317
rnfidealabstorel	325
rnfV_to_nfM	345
nfeltup	355
rnfidealreltoabs_i	355
rnfprincipaltohnf	550
nftocomplex	730
nfdetint	819
rnfidealhnf	950
rnfinit	1099
mkupdown	2191
nfhnf	2208
nfhnf0	2219
mknfabs	2239
nfhnfmod	2367
rnf_zkabs	2414
rnfinit0	2576
nf_nfzk	2616
nf_rnfeq	2621
rnfeltdown	2672
modulereltoabs	2744
rnfeltdown0	3008
rnfdisc_get_T	4067
rnfdisc_get_T_i	4067
idV_simplify	4551
rnfequation2	9309
element_close	18820
nfcleanmod	20255
rnfeltup	20932
eltabstorel	26697
rnfidealprimedec	27968
rnfidealprimedec_1	27968
rnfequation	29212
zero_nfbezout	30745
eltabstorel_lift	31609
nfbezout	34428
rnfequation0	41412
rnfequationall	41729
rnfeltup0	44971
colcomb	50304
rnfcomplete	53016
rnfeltabstorel	61901
colcomb1	63505
eltreltoabs	95667
rnf_build_nfabs	143996
rnfeltreltoabs	168691

Generated by: LCOV version 1.16