PGI User's Guide

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$Intel(R) Math Kernel Library for Linux* OS User's Guide$

Examples160int a,b,c;a=8; b=2;printf("main: a = %d b = %d ptr c = %x\n",a,b,&c);c2cp_func(a,b,&c);printf("main: res = %d\n",c);}Example 12.10. Simple C++ Function c2cp_func.C with Extern C#include extern "C" void c2cp_func(int num1,int num2,int *res){cout
Chapter 12. Inter-language CallingExample 12.12. C++ function f2cp_func.C#define TRUE 0xff#define FALSE 0extern "C"{extern void f2cp_func_ (char *bool1, *letter1,int *numint1, *numint2,float *numfloat1,double *numdoub1,short *numshort1,int len_letter1){*bool1 = TRUE; *letter1 = 'v';*numint1 = 11; *numint2 = -44;*numfloat1 = 39.6; *numdoub1 = 39.2; *numshort1 = 981;}}Assuming the Fortran program is in a file fmain.f, and the C++ function is in a file cpfunc.C, create anexecutable, using the following command lines:$ pgcpp -c f2cp_func.C$ pgfortran f2cp_func.o f2cp_main.f -pgcpplibsExecuting the a.out file should produce the following output:T v 11 -44 39.6 39.2 981Example - C++ Calling FortranExample 12.14, “Fortran Subroutine cp2f_func.f” shows a Fortran subroutine called by the C++ mainprogram shown in Example 12.13, “C++ main program cp2f_main.C”. Notice that each call uses the &operator to pass by reference. Also notice that the call to the Fortran subroutine uses all lower-case and atrailing "_":Example 12.13. C++ main program cp2f_main.C#include extern "C" { extern void cp2f_func_(char *,char *,int *,int *,float *,double *,short *); }main (){char bool1, letter1;int numint1, numint2;float numfloat1;double numdoub1;short numshor1;cp2f_func(&bool1,&letter1,&numint1,&numint2,&numfloat1, &numdoub1,&numshor1);cout
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While every precaution has been tak
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PGI ® Compiler User’s Guide4. Us
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PGI ® Compiler User’s GuideRefer
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Organizationxvi• Fortran 95 Handb
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Conventionsin this guide with which
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Chapter 1. Getting StartedThis chap
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Chapter 1. Getting StartedTo do thi
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Chapter 2. Using Command LineOption
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Invoking Function Inlining50except:
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Creating an Inline Librarylevel of
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Restrictions on InliningA Fortran s
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OpenMP OverviewFortran directives a
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Task OverviewN = 1000DO I = 1, NV(I
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C/C++ Parallelization PragmasC/C++
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Directive and Pragma ClausesFortran
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Directive and Pragma ClausesThis cl
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Run-time Library RoutinesRun-time L
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Run-time Library RoutinesRun-time L
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Environment VariablesRun-time Libra
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Chapter 6. Using MPIMessage Passing
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Chapter 6. Using MPIyou are using M
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Chapter 6. Using MPIthe root of the
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Chapter 6. Using MPIcorrelated with
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Chapter 6. Using MPI• Add the fol
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TerminologyAvailability84The PGI 11
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System Requirements86Vector operati
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Memory Model88• waits for complet
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Accelerator DirectivesAccelerator D
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Accelerator Directives• Initial d
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Accelerator DirectivesThis directiv
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Accelerator Directive ClausesUse th
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Environment Variables• Interfaces
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PGI Unified Binary for Accelerators
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Profiling Accelerator KernelsWith '
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Supported IntrinsicsTable 7.5. Supp
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References related to AcceleratorsT
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PGI Proprietary C and C++ Pragmas10
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