{"id":25264,"name":"lapack-base-spttrf","description":"Compute the `L * D * L^T` factorization of a real symmetric positive definite tridiagonal matrix `A`.","url":"https://github.com/stdlib-js/lapack-base-spttrf","last_synced_at":"2025-09-05T02:41:57.687Z","repository":{"id":251527158,"uuid":"836944686","full_name":"stdlib-js/lapack-base-spttrf","owner":"stdlib-js","description":"Compute the `L * D * L^T` factorization of a real symmetric positive definite tridiagonal matrix `A`.","archived":false,"fork":false,"pushed_at":"2025-05-26T01:43:25.000Z","size":1645,"stargazers_count":1,"open_issues_count":0,"forks_count":0,"subscribers_count":2,"default_branch":"main","last_synced_at":"2025-05-26T02:47:19.515Z","etag":null,"topics":["algebra","array","cholesky","factorization","float32","float32array","javascript","lapack","linear","math","mathematics","ndarray","node","node-js","nodejs","spttrf","stdlib","subroutines"],"latest_commit_sha":null,"homepage":"https://github.com/stdlib-js/stdlib","language":"JavaScript","has_issues":false,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"apache-2.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/stdlib-js.png","metadata":{"files":{"readme":"README.md","changelog":"CHANGELOG.md","contributing":"CONTRIBUTING.md","funding":null,"license":"LICENSE","code_of_conduct":"CODE_OF_CONDUCT.md","threat_model":null,"audit":null,"citation":"CITATION.cff","codeowners":null,"security":"SECURITY.md","support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null},"funding":{"github":["stdlib-js"],"open_collective":"stdlib","tidelift":"npm/@stdlib/stdlib"}},"created_at":"2024-08-01T22:16:08.000Z","updated_at":"2025-05-26T01:11:51.000Z","dependencies_parsed_at":"2024-12-01T03:23:22.701Z","dependency_job_id":"d3a86415-77cb-43e8-b7c1-69f5ba5381ca","html_url":"https://github.com/stdlib-js/lapack-base-spttrf","commit_stats":null,"previous_names":["stdlib-js/lapack-base-spttrf"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/stdlib-js/lapack-base-spttrf","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/stdlib-js%2Flapack-base-spttrf","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/stdlib-js%2Flapack-base-spttrf/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/stdlib-js%2Flapack-base-spttrf/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/stdlib-js%2Flapack-base-spttrf/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/stdlib-js","download_url":"https://codeload.github.com/stdlib-js/lapack-base-spttrf/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/stdlib-js%2Flapack-base-spttrf/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":273703334,"owners_count":25152999,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","status":"online","status_checked_at":"2025-09-05T02:00:09.113Z","response_time":402,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"owner":{"login":"stdlib-js","name":"stdlib","uuid":"17805691","kind":"organization","description":"Standard library for JavaScript.","email":null,"website":"https://stdlib.io","location":null,"twitter":"stdlibjs","company":null,"icon_url":"https://avatars.githubusercontent.com/u/17805691?v=4","repositories_count":3692,"last_synced_at":"2024-05-01T09:30:33.148Z","metadata":{"has_sponsors_listing":true,"funding":{"github":["stdlib-js"],"open_collective":"stdlib","tidelift":"npm/@stdlib/stdlib"}},"html_url":"https://github.com/stdlib-js","funding_links":["https://github.com/sponsors/stdlib-js","https://opencollective.com/stdlib","https://tidelift.com/funding/github/npm/@stdlib/stdlib"],"total_stars":9686,"followers":99,"following":0,"created_at":"2022-11-02T16:51:14.990Z","updated_at":"2024-05-01T09:37:07.346Z","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/stdlib-js","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/stdlib-js/repositories"},"packages":null,"commits":{"message":"Repository syncing started."},"issues_stats":{"full_name":"stdlib-js/lapack-base-spttrf","html_url":"https://github.com/stdlib-js/lapack-base-spttrf","last_synced_at":null,"status":null,"issues_count":null,"pull_requests_count":null,"avg_time_to_close_issue":null,"avg_time_to_close_pull_request":null,"issues_closed_count":null,"pull_requests_closed_count":null,"pull_request_authors_count":null,"issue_authors_count":null,"avg_comments_per_issue":null,"avg_comments_per_pull_request":null,"merged_pull_requests_count":null,"bot_issues_count":null,"bot_pull_requests_count":null,"past_year_issues_count":null,"past_year_pull_requests_count":null,"past_year_avg_time_to_close_issue":null,"past_year_avg_time_to_close_pull_request":null,"past_year_issues_closed_count":null,"past_year_pull_requests_closed_count":null,"past_year_pull_request_authors_count":null,"past_year_issue_authors_count":null,"past_year_avg_comments_per_issue":null,"past_year_avg_comments_per_pull_request":null,"past_year_bot_issues_count":null,"past_year_bot_pull_requests_count":null,"past_year_merged_pull_requests_count":null,"created_at":"2025-09-05T02:41:02.949Z","updated_at":"2025-09-05T02:41:02.949Z","repository_url":"https://issues.ecosyste.ms/api/v1/hosts/GitHub/repositories/stdlib-js%2Flapack-base-spttrf","issues_url":"https://issues.ecosyste.ms/api/v1/hosts/GitHub/repositories/stdlib-js%2Flapack-base-spttrf/issues","issue_labels_count":{},"pull_request_labels_count":{},"issue_author_associations_count":{},"pull_request_author_associations_count":{},"issue_authors":{},"pull_request_authors":{},"host":{"name":"GitHub","url":"https://github.com","kind":"github","last_synced_at":"2025-09-05T00:00:10.444Z","repositories_count":10083752,"issues_count":31254324,"pull_requests_count":96222393,"authors_count":10694625,"icon_url":"https://github.com/github.png","host_url":"https://issues.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://issues.ecosyste.ms/api/v1/hosts/GitHub/repositories","owners_url":"https://issues.ecosyste.ms/api/v1/hosts/GitHub/owners","authors_url":"https://issues.ecosyste.ms/api/v1/hosts/GitHub/authors"},"past_year_issue_labels_count":{},"past_year_pull_request_labels_count":{},"past_year_issue_author_associations_count":{},"past_year_pull_request_author_associations_count":{},"past_year_issue_authors":{},"past_year_pull_request_authors":{},"maintainers":[],"active_maintainers":[]},"events":{"total":{"PushEvent":20},"last_year":{"PushEvent":20}},"keywords":["algebra","array","cholesky","factorization","float32","float32array","javascript","lapack","linear","math","mathematics","ndarray","node","node-js","nodejs","spttrf","stdlib","subroutines"],"dependencies":[{"ecosystem":"actions","filepath":".github/workflows/benchmark.yml","sha":null,"kind":"manifest","created_at":"2024-08-03T18:50:43.030Z","updated_at":"2024-08-03T18:50:43.030Z","repository_link":"https://github.com/stdlib-js/lapack-base-spttrf/blob/main/.github/workflows/benchmark.yml","dependencies":[{"id":19497339182,"package_name":"actions/checkout","ecosystem":"actions","requirements":"8ade135a41bc03ea155e62e844d188df1ea18608","direct":true,"kind":"composite","optional":false},{"id":19497339183,"package_name":"actions/setup-node","ecosystem":"actions","requirements":"b39b52d1213e96004bfcb1c61a8a6fa8ab84f3e8","direct":true,"kind":"composite","optional":false}]},{"ecosystem":"actions","filepath":".github/workflows/cancel.yml","sha":null,"kind":"manifest","created_at":"2024-08-03T18:50:43.144Z","updated_at":"2024-08-03T18:50:43.144Z","repository_link":"https://github.com/stdlib-js/lapack-base-spttrf/blob/main/.github/workflows/cancel.yml","dependencies":[{"id":19497339197,"package_name":"styfle/cancel-workflow-action","ecosystem":"actions","requirements":"85880fa0301c86cca9da44039ee3bb12d3bedbfa","direct":true,"kind":"composite","optional":false}]},{"ecosystem":"actions","filepath":".github/workflows/close_pull_requests.yml","sha":null,"kind":"manifest","created_at":"2024-08-03T18:50:44.046Z","updated_at":"2024-08-03T18:50:44.046Z","repository_link":"https://github.com/stdlib-js/lapack-base-spttrf/blob/main/.github/workflows/close_pull_requests.yml","dependencies":[{"id":19497339347,"package_name":"superbrothers/close-pull-request","ecosystem":"actions","requirements":"9c18513d320d7b2c7185fb93396d0c664d5d8448","direct":true,"kind":"composite","optional":false}]},{"ecosystem":"actions","filepath":".github/workflows/examples.yml","sha":null,"kind":"manifest","created_at":"2024-08-03T18:50:44.266Z","updated_at":"2024-08-03T18:50:44.266Z","repository_link":"https://github.com/stdlib-js/lapack-base-spttrf/blob/main/.github/workflows/examples.yml","dependencies":[{"id":19497339384,"package_name":"actions/checkout","ecosystem":"actions","requirements":"8ade135a41bc03ea155e62e844d188df1ea18608","direct":true,"kind":"composite","optional":false},{"id":19497339385,"package_name":"actions/setup-node","ecosystem":"actions","requirements":"b39b52d1213e96004bfcb1c61a8a6fa8ab84f3e8","direct":true,"kind":"composite","optional":false}]},{"ecosystem":"actions","filepath":".github/workflows/npm_downloads.yml","sha":null,"kind":"manifest","created_at":"2024-08-03T18:50:44.403Z","updated_at":"2024-08-03T18:50:44.403Z","repository_link":"https://github.com/stdlib-js/lapack-base-spttrf/blob/main/.github/workflows/npm_downloads.yml","dependencies":[{"id":19497339403,"package_name":"actions/checkout","ecosystem":"actions","requirements":"8ade135a41bc03ea155e62e844d188df1ea18608","direct":true,"kind":"composite","optional":false},{"id":19497339404,"package_name":"actions/setup-node","ecosystem":"actions","requirements":"b39b52d1213e96004bfcb1c61a8a6fa8ab84f3e8","direct":true,"kind":"composite","optional":false},{"id":19497339405,"package_name":"actions/upload-artifact","ecosystem":"actions","requirements":"5d5d22a31266ced268874388b861e4b58bb5c2f3","direct":true,"kind":"composite","optional":false},{"id":19497339406,"package_name":"distributhor/workflow-webhook","ecosystem":"actions","requirements":"48a40b380ce4593b6a6676528cd005986ae56629","direct":true,"kind":"composite","optional":false}]},{"ecosystem":"actions","filepath":".github/workflows/productionize.yml","sha":null,"kind":"manifest","created_at":"2024-08-03T18:50:46.933Z","updated_at":"2024-08-03T18:50:46.933Z","repository_link":"https://github.com/stdlib-js/lapack-base-spttrf/blob/main/.github/workflows/productionize.yml","dependencies":[{"id":19497340603,"package_name":"actions/checkout","ecosystem":"actions","requirements":"8ade135a41bc03ea155e62e844d188df1ea18608","direct":true,"kind":"composite","optional":false},{"id":19497340604,"package_name":"actions/setup-node","ecosystem":"actions","requirements":"b39b52d1213e96004bfcb1c61a8a6fa8ab84f3e8","direct":true,"kind":"composite","optional":false},{"id":19497340605,"package_name":"stdlib-js/transform-errors-action","ecosystem":"actions","requirements":"main","direct":true,"kind":"composite","optional":false},{"id":19497341520,"package_name":"stdlib-js/bundle-action","ecosystem":"actions","requirements":"main","direct":true,"kind":"composite","optional":false},{"id":19497345062,"package_name":"8398a7/action-slack","ecosystem":"actions","requirements":"28ba43ae48961b90635b50953d216767a6bea486","direct":true,"kind":"composite","optional":false}]},{"ecosystem":"actions","filepath":".github/workflows/publish.yml","sha":null,"kind":"manifest","created_at":"2024-08-03T18:50:50.260Z","updated_at":"2024-08-03T18:50:50.260Z","repository_link":"https://github.com/stdlib-js/lapack-base-spttrf/blob/main/.github/workflows/publish.yml","dependencies":[{"id":19497345073,"package_name":"actions/checkout","ecosystem":"actions","requirements":"8ade135a41bc03ea155e62e844d188df1ea18608","direct":true,"kind":"composite","optional":false},{"id":19497345074,"package_name":"actions/setup-node","ecosystem":"actions","requirements":"b39b52d1213e96004bfcb1c61a8a6fa8ab84f3e8","direct":true,"kind":"composite","optional":false},{"id":19497345075,"package_name":"JS-DevTools/npm-publish","ecosystem":"actions","requirements":"19c28f1ef146469e409470805ea4279d47c3d35c","direct":true,"kind":"composite","optional":false},{"id":19497345076,"package_name":"8398a7/action-slack","ecosystem":"actions","requirements":"28ba43ae48961b90635b50953d216767a6bea486","direct":true,"kind":"composite","optional":false},{"id":19497345077,"package_name":"styfle/cancel-workflow-action","ecosystem":"actions","requirements":"85880fa0301c86cca9da44039ee3bb12d3bedbfa","direct":true,"kind":"composite","optional":false}]},{"ecosystem":"actions","filepath":".github/workflows/test.yml","sha":null,"kind":"manifest","created_at":"2024-08-03T18:50:50.278Z","updated_at":"2024-08-03T18:50:50.278Z","repository_link":"https://github.com/stdlib-js/lapack-base-spttrf/blob/main/.github/workflows/test.yml","dependencies":[{"id":19497345105,"package_name":"actions/checkout","ecosystem":"actions","requirements":"8ade135a41bc03ea155e62e844d188df1ea18608","direct":true,"kind":"composite","optional":false},{"id":19497345106,"package_name":"actions/setup-node","ecosystem":"actions","requirements":"b39b52d1213e96004bfcb1c61a8a6fa8ab84f3e8","direct":true,"kind":"composite","optional":false},{"id":19497345107,"package_name":"8398a7/action-slack","ecosystem":"actions","requirements":"28ba43ae48961b90635b50953d216767a6bea486","direct":true,"kind":"composite","optional":false}]},{"ecosystem":"actions","filepath":".github/workflows/test_bundles.yml","sha":null,"kind":"manifest","created_at":"2024-08-03T18:50:50.294Z","updated_at":"2024-08-03T18:50:50.294Z","repository_link":"https://github.com/stdlib-js/lapack-base-spttrf/blob/main/.github/workflows/test_bundles.yml","dependencies":[{"id":19497345126,"package_name":"actions/checkout","ecosystem":"actions","requirements":"8ade135a41bc03ea155e62e844d188df1ea18608","direct":true,"kind":"composite","optional":false},{"id":19497345127,"package_name":"actions/setup-node","ecosystem":"actions","requirements":"b39b52d1213e96004bfcb1c61a8a6fa8ab84f3e8","direct":true,"kind":"composite","optional":false},{"id":19497345128,"package_name":"8398a7/action-slack","ecosystem":"actions","requirements":"28ba43ae48961b90635b50953d216767a6bea486","direct":true,"kind":"composite","optional":false},{"id":19497345129,"package_name":"denoland/setup-deno","ecosystem":"actions","requirements":"041b854f97b325bd60e53e9dc2de9cb9f9ac0cba","direct":true,"kind":"composite","optional":false}]},{"ecosystem":"actions","filepath":".github/workflows/test_coverage.yml","sha":null,"kind":"manifest","created_at":"2024-08-03T18:50:50.308Z","updated_at":"2024-08-03T18:50:50.308Z","repository_link":"https://github.com/stdlib-js/lapack-base-spttrf/blob/main/.github/workflows/test_coverage.yml","dependencies":[{"id":19497345153,"package_name":"actions/checkout","ecosystem":"actions","requirements":"8ade135a41bc03ea155e62e844d188df1ea18608","direct":true,"kind":"composite","optional":false},{"id":19497345154,"package_name":"actions/setup-node","ecosystem":"actions","requirements":"b39b52d1213e96004bfcb1c61a8a6fa8ab84f3e8","direct":true,"kind":"composite","optional":false},{"id":19497345155,"package_name":"codecov/codecov-action","ecosystem":"actions","requirements":"84508663e988701840491b86de86b666e8a86bed","direct":true,"kind":"composite","optional":false},{"id":19497345156,"package_name":"8398a7/action-slack","ecosystem":"actions","requirements":"28ba43ae48961b90635b50953d216767a6bea486","direct":true,"kind":"composite","optional":false},{"id":19497345157,"package_name":"distributhor/workflow-webhook","ecosystem":"actions","requirements":"48a40b380ce4593b6a6676528cd005986ae56629","direct":true,"kind":"composite","optional":false}]},{"ecosystem":"actions","filepath":".github/workflows/test_install.yml","sha":null,"kind":"manifest","created_at":"2024-08-03T18:50:50.321Z","updated_at":"2024-08-03T18:50:50.321Z","repository_link":"https://github.com/stdlib-js/lapack-base-spttrf/blob/main/.github/workflows/test_install.yml","dependencies":[{"id":19497345164,"package_name":"actions/checkout","ecosystem":"actions","requirements":"8ade135a41bc03ea155e62e844d188df1ea18608","direct":true,"kind":"composite","optional":false},{"id":19497345166,"package_name":"actions/setup-node","ecosystem":"actions","requirements":"b39b52d1213e96004bfcb1c61a8a6fa8ab84f3e8","direct":true,"kind":"composite","optional":false},{"id":19497345168,"package_name":"8398a7/action-slack","ecosystem":"actions","requirements":"28ba43ae48961b90635b50953d216767a6bea486","direct":true,"kind":"composite","optional":false}]},{"ecosystem":"npm","filepath":"package.json","sha":null,"kind":"manifest","created_at":"2024-08-03T18:50:50.339Z","updated_at":"2024-08-03T18:50:50.339Z","repository_link":"https://github.com/stdlib-js/lapack-base-spttrf/blob/main/package.json","dependencies":[{"id":19497345187,"package_name":"@stdlib/assert-is-error","ecosystem":"npm","requirements":"^0.2.2","direct":true,"kind":"runtime","optional":false},{"id":19497351221,"package_name":"@stdlib/number-float64-base-to-float32","ecosystem":"npm","requirements":"^0.2.2","direct":true,"kind":"runtime","optional":false},{"id":19497352712,"package_name":"@stdlib/string-format","ecosystem":"npm","requirements":"^0.2.2","direct":true,"kind":"runtime","optional":false},{"id":19497352852,"package_name":"@stdlib/utils-define-nonenumerable-read-only-property","ecosystem":"npm","requirements":"^0.2.2","direct":true,"kind":"runtime","optional":false},{"id":19497352853,"package_name":"@stdlib/utils-try-require","ecosystem":"npm","requirements":"^0.2.2","direct":true,"kind":"runtime","optional":false},{"id":19497354468,"package_name":"@stdlib/error-tools-fmtprodmsg","ecosystem":"npm","requirements":"^0.2.2","direct":true,"kind":"runtime","optional":false},{"id":19497355681,"package_name":"@stdlib/array-float32","ecosystem":"npm","requirements":"^0.2.2","direct":true,"kind":"development","optional":false},{"id":19497355682,"package_name":"@stdlib/assert-is-browser","ecosystem":"npm","requirements":"^0.2.2","direct":true,"kind":"development","optional":false},{"id":19497356320,"package_name":"@stdlib/constants-float32-eps","ecosystem":"npm","requirements":"^0.2.2","direct":true,"kind":"development","optional":false},{"id":19497358507,"package_name":"@stdlib/math-base-assert-is-nanf","ecosystem":"npm","requirements":"^0.2.2","direct":true,"kind":"development","optional":false},{"id":19497358808,"package_name":"@stdlib/math-base-special-abs","ecosystem":"npm","requirements":"^0.2.2","direct":true,"kind":"development","optional":false},{"id":19497358809,"package_name":"@stdlib/math-base-special-pow","ecosystem":"npm","requirements":"^0.3.0","direct":true,"kind":"development","optional":false},{"id":19497359350,"package_name":"@stdlib/random-array-discrete-uniform","ecosystem":"npm","requirements":"^0.2.1","direct":true,"kind":"development","optional":false},{"id":19497359432,"package_name":"@stdlib/random-array-uniform","ecosystem":"npm","requirements":"^0.2.1","direct":true,"kind":"development","optional":false},{"id":19497359433,"package_name":"proxyquire","ecosystem":"npm","requirements":"^2.0.0","direct":true,"kind":"development","optional":false},{"id":19497359434,"package_name":"tape","ecosystem":"npm","requirements":"git+https://github.com/kgryte/tape.git#fix/globby","direct":true,"kind":"development","optional":false},{"id":19497359435,"package_name":"istanbul","ecosystem":"npm","requirements":"^0.4.1","direct":true,"kind":"development","optional":false},{"id":19497359436,"package_name":"tap-min","ecosystem":"npm","requirements":"git+https://github.com/Planeshifter/tap-min.git","direct":true,"kind":"development","optional":false},{"id":19497359477,"package_name":"@stdlib/bench-harness","ecosystem":"npm","requirements":"^0.2.2","direct":true,"kind":"development","optional":false}]},{"ecosystem":"actions","filepath":".github/workflows/test_published_package.yml","sha":null,"kind":"manifest","created_at":"2024-12-01T03:23:22.558Z","updated_at":"2024-12-01T03:23:22.558Z","repository_link":"https://github.com/stdlib-js/lapack-base-spttrf/blob/main/.github/workflows/test_published_package.yml","dependencies":[{"id":20981220042,"package_name":"actions/checkout","ecosystem":"actions","requirements":"8ade135a41bc03ea155e62e844d188df1ea18608","direct":true,"kind":"composite","optional":false},{"id":20981220043,"package_name":"actions/setup-node","ecosystem":"actions","requirements":"b39b52d1213e96004bfcb1c61a8a6fa8ab84f3e8","direct":true,"kind":"composite","optional":false},{"id":20981220044,"package_name":"8398a7/action-slack","ecosystem":"actions","requirements":"28ba43ae48961b90635b50953d216767a6bea486","direct":true,"kind":"composite","optional":false}]}],"score":null,"created_at":"2025-09-04T15:50:57.219Z","updated_at":"2025-10-07T08:11:31.827Z","avatar_url":"https://github.com/stdlib-js.png","language":"JavaScript","category":null,"sub_category":null,"monthly_downloads":0,"funding_links":["https://github.com/sponsors/stdlib-js","https://opencollective.com/stdlib","https://tidelift.com/funding/github/npm/@stdlib/stdlib"],"readme_doi_urls":[],"works":{},"citation_counts":{},"total_citations":0,"keywords_from_contributors":[],"project_url":"https://science.ecosyste.ms/api/v1/projects/25264","html_url":"https://science.ecosyste.ms/projects/25264","bibtex_url":"https://science.ecosyste.ms/projects/25264/export.bibtex","apalike_url":"https://science.ecosyste.ms/projects/25264/export.apalike"}