Repository owner: Jacob Williams (jacobwilliams)
Adaptive numerical integration, including improper and oscillatory integrals.
Repository · Pinned source (ab42d5079428) · Try in playground · Checked package example
Topics: adaptive-methods, fortran, fortran-package-manager, gauss-kronrod, gauss-kronrod-quadrature, improper-integrals, numerical-integration, oscillatory-integrals, quadpack, quadrature, quadrature-integration, slatec
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Build record verified 2026-10-27.
No other selected build records this repository as a dependency. This is not a measure of usage outside the catalog.
These mappings have pinned source evidence. A checked package example may exercise only some of them; source review is not a numerical benchmark.
Module: quadpack
H2a1a1: verified
Derivatives / callbacks: none
Adaptive finite-interval quadrature of a callback; improper and weighted integrals require other routines.
Pinned source: src/quadpack_generic.F90
Author examples/tests: test/quadpack_test_module.F90
Module: quadpack
H2a2a1: verified
Derivatives / callbacks: function values only
Adaptive one-dimensional integration on a finite interval using subdivision and extrapolation for integrable singularities. The checked driver adapts author test_qags (1/sqrt(x)) and adds log(x)/sqrt(x). These endpoint singularities have exact integrals 2 and -4. It checks status zero, finite values, independent accuracy and callback counts; it does not evaluate the singular endpoint or claim coverage of all special integrands.
Pinned source: src/quadpack_generic.F90
Author examples/tests: test/quadpack_test_module.F90