GSoC: Intrinsic functions

[HarshitaKalani]

To keep a track of the tasks that need to be done and are in progress.

• Compile time implementation of intrinsic array functions:

  • Sum Improve code for eval_sum and implement eval_product #3996
  • Product Improve code for eval_sum and implement eval_product #3996
  • MinVal feat: Implement eval_maxval and eval_minval #4010
  • MaxVal feat: Implement eval_maxval and eval_minval #4010
  • Count Implement eval_count #4012

• Implement intrinsics from scratch List of Standard generic intrinsic procedure #492

  • Spacing Implement intrinsic spacing #4016
  • Nearest Implement intrinsic nearest #4018
  • Implement ASR node for spacing and nearest
  • Iany Implement array intrinsic iany and iall #4020
  • Iall Implement array intrinsic iany and iall #4020
  • Norm2 Implement array intrinsic norm2 #4035
  • Dgamma Implement intrinsic Dgamma #4088
  • PARITY Implement parity intrinsic #4095
  • IPARITY Implement iparity intrinsic function #4094
  • Isnan Implement isnan intrinsic  #4097
  • Int feat: implement intrinsic int #3953
  • Real Implement intrinsic real #4063
  • SAME_TYPE_AS Implement same_type_as intrinsic #4109
  • CSHIFT Implement cshift intrinsic #4176
  • ERFC_SCALED Implement erfc_scaled intrinsic #4119

• Implement ieee arithmetic functions Implement ieee arithmetic functions #4148

• Implement bessel functions

• Throw error for coarrays and atmoic intrinsic chore: throw error for coarray and atomic intrinsics #3888

• Refactoring

  • Merge Refactor: Move merge from 'intrinsic_array_functions' to 'intrinsic_elemental_function' #4026
  • if-else to switch Refactor: Change if-else to switch case #4027
  • Kind Replace 'Kind' from Intrinsic Elemental Function to Type Inquiry Intrinsic Function #4068
  • Support array type return type for elemental intrinsics Support array type return_type for elemental intrinsics #4061
  • Reshape intrinsic
  • Add bozconstant support in automatic script
  • Handle optional args for minloc and maxloc Handle character arg, mask, kind and back keywords for minloc and maxloc  #4128

• Remove from old runtime library Remove old Fortran runtime library #3034

  • Achar feat: Implement achar intrinsic #3635
  • Remove lfortran_intrinsic_sin file Remove lfortran_intrinsic_sin file from runtime library #4089
  • trim Implement len_trim and trim intrinsic #3674
  • len_trim Implement len_trim and trim intrinsic #3674

• : Register intrinsics in fortran backend

  • : Array intrinsics Register array intrinsics in fortran backend #4036
  • : Elemental intrinsics Register intrinsic elemental functions in fortran backend #4054
  • : TypeInquiry intrinsics Deregister features from fortran backend which are not in use yet (for which no tests exist) #4083
  • generalise fortran backend for all intrinsic functions refactor: generalise fortran backend for all intrinsic functions #4134

• : Register intrinsics in c/cpp backend Support Intrinsic functions in c/cpp backend #4155

• : Register intrinsics in julia backend Support Intrinsic functions in Julia backend #4156

• Ensure tests exists for all intrinsics Implement all intrinsic functions #3067

  • enh: update integration test for verify intrinsic #4227
  • Update test for scan intrinsic and handle kind = 8 for verify and scan intrinsic #4228
  • Enh: Update integration test for index intrinsic #4229
  • Update integration tests for adjustl and adjustr #4253
  • Add integration test for selected_real_kind #4096

• Performance options for intrinsics

• Other issues

  • Compile time reduction of kind fix: support compile time reduction of kind argument #4073
  • Logical type casting enh: support type conversion from Integer to logical #4042
  • Fix: add type check for ArrayPhysicalCast before downcasting  #4241

[HarshitaKalani]

Opened the following issues:

• Fix compile time handling of character len  #3980
• Rectify the return type of intrinsic_array_functions when initialised as parameter #3981
• Fix: wrong output for fast compilation of sum intrinsic #3990
• fix: wrong output with unpack intrinsic #4038
• Do we need a line truncation error? #4039
• Support type conversion from Integer to logical #4041
• Enh: throw error for wrong syntax in cmplx intrinsic #4049
• Implement intrinsic real #4050
• Implement intrinsic int #4051
• Incorrect Conversion of Small Floating-Point Literal in Fortran backend #4052
• Check if variable is allocated using the allocated intrinsic before using deallocate  #4053
• Support compile time reduction of kind argument for intrinsic functions #4058
• Fix: for array input in intrinsic elemental functions, return array output #4059
• Seg fault in fortran program utilizing nested sum function with intrinsic mask #4062
• Intrinsic Kind is a TypeInquiry function and not Elemental function #4067
• Support TypeInquiry functions in Julia backend #4069
• Intrinsic functions with "kind_arg": True throw compiler error with implied_do_loops #4070
• Throw error for if result of NINT overflows its kind #4079
• Is fix an intrinsic elemental function? #4080
• Throw error when I in intrinsic maskr /maskl is greater than BIT_SIZE of INTEGER(KIND=4) #4081
• Rectify the fortran code generation for maskr/maskl intrinsic  #4082
• Add an integration test #4090
• Handle line_truncation issue in fortran backend #4106
• Generalise visit_IntrinsicArrayFunction() in Fortran backend #4107
• Rename functions in intrinsic_functions.c  #4108
• Create nan at compile time #4116
• Preserve expression in Fortran Code Generation #4139
• Support Intrinsic functions in c/cpp backend #4155
• Support Intrinsic functions in Julia backend #4156
• Add array tests for adjustl (was: std::bad_alloc error when using ADJUSTL with an array of characters) #4174
• Handle multiple arguments for intrinsics mapping #4190
• How to run integration tests with cpp backend? #4216
• Kind Mismatch Error in verify intrinsic with kind=8  #4226