C_INTRINSICS
Test C Intrinsic Functions.

C_INTRINSICS is a C program which tests or demonstrates some of the intrinsic functions provided by the C language.

Licensing:

The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.

Languages:

C_INTRINSICS is available in a C version and a C++ version and a FORTRAN90 version.

Related Data and Programs:

C_OPERATORS, a C program which illustrates the use of some of the operators supplied by the C language.

CPP_INTRINSICS, a C++ program which illustrates the use of intrinsic functions supplied by the C++ language.

F77_INTRINSICS, FORTRAN77 programs which includes some examples of the use of intrinsic functions included with the FORTRAN77 standard language.

F90_INTRINSICS, FORTRAN90 programs which includes some examples of the use of intrinsic functions included with the FORTRAN90 standard language.

G++_INTRINSICS, a C++ program which demonstrates some of the intrinsic functions provided by the G++ compiler for C++.

G77_INTRINSICS, FORTRAN77 examples which includes some examples of the use of intrinsic functions included with the G77 compiler.

G95_INTRINSICS, FORTRAN90 examples which includes some examples of the use of intrinsic functions peculiar to the GNU G95 FORTRAN compiler.

GCC_INTRINSICS, a C++ program which demonstrates some of the intrinsic functions provided by the GCC compiler for C.

GFORTRAN_INTRINSICS, a FORTRAN90 program which demonstrates the use of some of the intrinsic functions included with the GFORTRAN compiler.

MATH_INTRINSICS, a JAVA program which illustrates the use of the intrinsic functions in the Java Math package.

XLF_INTRINSICS, FORTRAN90 examples which includes some examples of the use of intrinsic functions peculiar to the IBM XLF FORTRAN compiler.

Reference:

1. Samuel Harbison, Guy Steele,
   C: A Reference Manual,
   Third Edition,
   Prentice Hall, 1991,
   ISBN: 0-13-110933-2,
   LC: QA76.73.C15H38.
2. Brian Kernighan, Dennis Ritchie,
   The C Programming Language,
   Second Edition,
   Prentice Hall, 1988,
   ISBN: 0-13-110362-8,
   LC: QA76.73C15.K47.

Source Code:

• c_intrinsics.c, the source code.
• c_intrinsics_output.txt, the output file.

List of Routines:

• MAIN is the main program for C_INTRINSICS.
• TEST_ABS tests ABS.
• TEST_ACOS tests ACOS.
• TEST_ASIN tests ASIN.
• TEST_ATAN tests ATAN.
• TEST_ATAN2 tests ATAN2.
• TEST_CEIL tests CEIL.
• TEST_COS tests COS.
• TEST_COSH tests COSH.
• TEST_EXP tests EXP.
• TEST_FABS tests FABS.
• TEST_FLOOR tests FLOOR.
• TEST_FMOD tests FMOD.
• TEST_FREXP tests FREXP.
• TEST_LDEXP tests LDEXP.
• TEST_LOG tests LOG.
• TEST_LOG10 tests LOG10.
• TEST_MODF tests MODF.
• TEST_POW tests POW.
• TEST_SIN tests SIN.
• TEST_SINH tests SINH.
• TEST_SQRT tests SQRT.
• TEST_TAN tests TAN.
• TEST_TANH tests TANH.
• I4_MAX returns the maximum of two I4's.
• I4_MIN returns the smaller of two I4's.
• I4_UNIFORM returns a scaled pseudorandom I4.
• R4_NINT returns the nearest integer to an R4.
• R4_UNIFORM returns a scaled pseudorandom R4.
• R4_UNIFORM_01 returns a real pseudorandom R4.
• TIMESTAMP prints the current YMDHMS date as a time stamp.

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