2.19.4.61 inear Clause........................... 290 2.l9.5 Reduction Clauses and Directives··············· 293 2.19.5.1 Properties Common To All Reduction Clauses 294 2.l9.5.2 Reduction Scoping Clauses.......······· 299 2.19.5.3 Reduction Participating Clauses 300 2.19.5.4 reduction Clause 300 2.19.5.5 task_reduction Clause 303 2.19.5.6 in_reduction Clause 303 2.19.5.7 declare reduction Directive.................. 304 2.19.6 Data Copying Clauses.... 309 2.19.6.1 copyin Clause.··············… 310 2.l9.6.2 copyprivate Clause..........,....,......... 312 2.19.7 Data-Mapping Attribute Rules,Clauses,and Directives 314 2.19.7.1 map Clause 315 2.19.7.2 defaultmap Clause.. 324 2.l9.7.3 declare mapper Directive.··············· 326 2.20 Nesting of Regions 328 3 Runtime Library Routines 331 3.1 Runtime Library Definitions..·..·······.· 332 3.2 Execution Environment Routines 334 3.2.1 omp_set_num_threads 334 3.2.2 omp_get_num_threads 335 3.2.3 omp_get_max_threads 336 3.2.4 omp_get_thread_num 337 3.2.5 omp get num procs 338 3.2.6 omp_in_parallel.......,...............,.,. 339 3.2.7 omp_set_dynamic 340 3.2.8 omp_get_dynamic,··,, 341 3.2.9 omp_get_cancellation 342 3.2.10 omp_set_nested.... 343 32.11 omp_get_nested................... 344 3.2.12 omp_set_schedule 345 3.2.13 omp_get_schedule 347 OpenMP API-Version 5.0 November 20182.19.4.6 linear Clause . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290 2.19.5 Reduction Clauses and Directives . . . . . . . . . . . . . . . . . . . . . . . 293 2.19.5.1 Properties Common To All Reduction Clauses . . . . . . . . . . . . . . 294 2.19.5.2 Reduction Scoping Clauses . . . . . . . . . . . . . . . . . . . . . . . . 299 2.19.5.3 Reduction Participating Clauses . . . . . . . . . . . . . . . . . . . . . 300 2.19.5.4 reduction Clause . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 2.19.5.5 task_reduction Clause . . . . . . . . . . . . . . . . . . . . . . . 303 2.19.5.6 in_reduction Clause . . . . . . . . . . . . . . . . . . . . . . . . . 303 2.19.5.7 declare reduction Directive . . . . . . . . . . . . . . . . . . . . 304 2.19.6 Data Copying Clauses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309 2.19.6.1 copyin Clause . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310 2.19.6.2 copyprivate Clause . . . . . . . . . . . . . . . . . . . . . . . . . . 312 2.19.7 Data-Mapping Attribute Rules, Clauses, and Directives . . . . . . . . . . . 314 2.19.7.1 map Clause . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315 2.19.7.2 defaultmap Clause . . . . . . . . . . . . . . . . . . . . . . . . . . . 324 2.19.7.3 declare mapper Directive . . . . . . . . . . . . . . . . . . . . . . . 326 2.20 Nesting of Regions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328 3 Runtime Library Routines 331 3.1 Runtime Library Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332 3.2 Execution Environment Routines . . . . . . . . . . . . . . . . . . . . . . . . . . 334 3.2.1 omp_set_num_threads . . . . . . . . . . . . . . . . . . . . . . . . . . 334 3.2.2 omp_get_num_threads . . . . . . . . . . . . . . . . . . . . . . . . . . 335 3.2.3 omp_get_max_threads . . . . . . . . . . . . . . . . . . . . . . . . . . 336 3.2.4 omp_get_thread_num . . . . . . . . . . . . . . . . . . . . . . . . . . 337 3.2.5 omp_get_num_procs . . . . . . . . . . . . . . . . . . . . . . . . . . . 338 3.2.6 omp_in_parallel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339 3.2.7 omp_set_dynamic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340 3.2.8 omp_get_dynamic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341 3.2.9 omp_get_cancellation . . . . . . . . . . . . . . . . . . . . . . . . . 342 3.2.10 omp_set_nested . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 343 3.2.11 omp_get_nested . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 344 3.2.12 omp_set_schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345 3.2.13 omp_get_schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347 vi OpenMP API – Version 5.0 November 2018