DOC: fixing a sign issue in FFTlog function, closes #16027. Documentation now matches code.
DOC: fixing a sign issue in FFTlog function, closes #16027. Documentation now matches code.

scipy/scipy,mdhaber/scipy,andyfaff/scipy,Stefan-Endres/scipy,rgommers/scipy,Stefan-Endres/scipy,rgommers/scipy,perimosocordiae/scipy,scipy/scipy,andyfaff/scipy,anntzer/scipy,rgommers/scipy,anntzer/scipy,WarrenWeckesser/scipy,rgommers/scipy,ilayn/scipy,Stefan-Endres/scipy,mdhaber/scipy,scipy/scipy,scipy/scipy,andyfaff/scipy,ilayn/scipy,ilayn/scipy,ilayn/scipy,perimosocordiae/scipy,anntzer/scipy,anntzer/scipy,perimosocordiae/scipy,endolith/scipy,andyfaff/scipy,endolith/scipy,endolith/scipy,anntzer/scipy,mdhaber/scipy,endolith/scipy,andyfaff/scipy,anntzer/scipy,perimosocordiae/scipy,andyfaff/scipy,WarrenWeckesser/scipy,Stefan-Endres/scipy,scipy/scipy,ilayn/scipy,mdhaber/scipy,scipy/scipy,WarrenWeckesser/scipy,endolith/scipy,perimosocordiae/scipy,Stefan-Endres/scipy,WarrenWeckesser/scipy,rgommers/scipy,endolith/scipy,WarrenWeckesser/scipy,ilayn/scipy,mdhaber/scipy,perimosocordiae/scipy,Stefan-Endres/scipy,mdhaber/scipy,WarrenWeckesser/scipy