1.6. Integer Mathematical Functions
This section describes integer mathematical functions. To use these functions you do not need to include any additional header files in your program.
Functions
- __device__ int abs ( int a )
- Calculate the absolute value of the input int argument.
- __device__ long int labs ( long int a )
- Calculate the absolute value of the input longint argument.
- __device__ long long int llabs ( long long int a )
- Calculate the absolute value of the input longlongint argument.
- __device__ long long int llmax ( const long long int a, const long long int b )
- Calculate the maximum value of the input longlongint arguments.
- __device__ long long int llmin ( const long long int a, const long long int b )
- Calculate the minimum value of the input longlongint arguments.
- __device__ unsigned long long int max ( const unsigned long long int a, const long long int b )
- Calculate the maximum value of the input unsignedlonglongint and longlongint arguments.
- __device__ unsigned long long int max ( const long long int a, const unsigned long long int b )
- Calculate the maximum value of the input longlongint and unsignedlonglongint arguments.
- __device__ unsigned long long int max ( const unsigned long long int a, const unsigned long long int b )
- Calculate the maximum value of the input unsignedlonglongint arguments.
- __device__ long long int max ( const long long int a, const long long int b )
- Calculate the maximum value of the input longlongint arguments.
- __device__ unsigned long int max ( const unsigned long int a, const long int b )
- Calculate the maximum value of the input unsignedlongint and longint arguments.
- __device__ unsigned long int max ( const long int a, const unsigned long int b )
- Calculate the maximum value of the input longint and unsignedlongint arguments.
- __device__ unsigned long int max ( const unsigned long int a, const unsigned long int b )
- Calculate the maximum value of the input unsignedlongint arguments.
- __device__ long int max ( const long int a, const long int b )
- Calculate the maximum value of the input longint arguments.
- __device__ unsigned int max ( const unsigned int a, const int b )
- Calculate the maximum value of the input unsignedint and int arguments.
- __device__ unsigned int max ( const int a, const unsigned int b )
- Calculate the maximum value of the input int and unsignedint arguments.
- __device__ unsigned int max ( const unsigned int a, const unsigned int b )
- Calculate the maximum value of the input unsignedint arguments.
- __device__ int max ( const int a, const int b )
- Calculate the maximum value of the input int arguments.
- __device__ unsigned long long int min ( const unsigned long long int a, const long long int b )
- Calculate the minimum value of the input unsignedlonglongint and longlongint arguments.
- __device__ unsigned long long int min ( const long long int a, const unsigned long long int b )
- Calculate the minimum value of the input longlongint and unsignedlonglongint arguments.
- __device__ unsigned long long int min ( const unsigned long long int a, const unsigned long long int b )
- Calculate the minimum value of the input unsignedlonglongint arguments.
- __device__ long long int min ( const long long int a, const long long int b )
- Calculate the minimum value of the input longlongint arguments.
- __device__ unsigned long int min ( const unsigned long int a, const long int b )
- Calculate the minimum value of the input unsignedlongint and longint arguments.
- __device__ unsigned long int min ( const long int a, const unsigned long int b )
- Calculate the minimum value of the input longint and unsignedlongint arguments.
- __device__ unsigned long int min ( const unsigned long int a, const unsigned long int b )
- Calculate the minimum value of the input unsignedlongint arguments.
- __device__ long int min ( const long int a, const long int b )
- Calculate the minimum value of the input longint arguments.
- __device__ unsigned int min ( const unsigned int a, const int b )
- Calculate the minimum value of the input unsignedint and int arguments.
- __device__ unsigned int min ( const int a, const unsigned int b )
- Calculate the minimum value of the input int and unsignedint arguments.
- __device__ unsigned int min ( const unsigned int a, const unsigned int b )
- Calculate the minimum value of the input unsignedint arguments.
- __device__ int min ( const int a, const int b )
- Calculate the minimum value of the input int arguments.
- __device__ unsigned long long int ullmax ( const unsigned long long int a, const unsigned long long int b )
- Calculate the maximum value of the input unsignedlonglongint arguments.
- __device__ unsigned long long int ullmin ( const unsigned long long int a, const unsigned long long int b )
- Calculate the minimum value of the input unsignedlonglongint arguments.
- __device__ unsigned int umax ( const unsigned int a, const unsigned int b )
- Calculate the maximum value of the input unsignedint arguments.
- __device__ unsigned int umin ( const unsigned int a, const unsigned int b )
- Calculate the minimum value of the input unsignedint arguments.
Functions
- __device__ int abs ( int a )
-
Calculate the absolute value of the input int argument.
Description
Calculate the absolute value of the input argument a.
- __device__ long int labs ( long int a )
-
Calculate the absolute value of the input longint argument.
Description
Calculate the absolute value of the input argument a.
- __device__ long long int llabs ( long long int a )
-
Calculate the absolute value of the input longlongint argument.
Description
Calculate the absolute value of the input argument a.
- __device__ long long int llmax ( const long long int a, const long long int b )
-
Calculate the maximum value of the input longlongint arguments.
Description
Calculate the maximum value of the arguments a and b.
- __device__ long long int llmin ( const long long int a, const long long int b )
-
Calculate the minimum value of the input longlongint arguments.
Description
Calculate the minimum value of the arguments a and b.
- __device__ unsigned long long int max ( const unsigned long long int a, const long long int b )
-
Calculate the maximum value of the input unsignedlonglongint and longlongint arguments.
Description
Calculate the maximum value of the arguments a and b, perform integer promotion first.
- __device__ unsigned long long int max ( const long long int a, const unsigned long long int b )
-
Calculate the maximum value of the input longlongint and unsignedlonglongint arguments.
Description
Calculate the maximum value of the arguments a and b, perform integer promotion first.
- __device__ unsigned long long int max ( const unsigned long long int a, const unsigned long long int b )
-
Calculate the maximum value of the input unsignedlonglongint arguments.
Description
Calculate the maximum value of the arguments a and b.
- __device__ long long int max ( const long long int a, const long long int b )
-
Calculate the maximum value of the input longlongint arguments.
Description
Calculate the maximum value of the arguments a and b.
- __device__ unsigned long int max ( const unsigned long int a, const long int b )
-
Calculate the maximum value of the input unsignedlongint and longint arguments.
Description
Calculate the maximum value of the arguments a and b, perform integer promotion first.
- __device__ unsigned long int max ( const long int a, const unsigned long int b )
-
Calculate the maximum value of the input longint and unsignedlongint arguments.
Description
Calculate the maximum value of the arguments a and b, perform integer promotion first.
- __device__ unsigned long int max ( const unsigned long int a, const unsigned long int b )
-
Calculate the maximum value of the input unsignedlongint arguments.
Description
Calculate the maximum value of the arguments a and b.
- __device__ long int max ( const long int a, const long int b )
-
Calculate the maximum value of the input longint arguments.
Description
Calculate the maximum value of the arguments a and b.
- __device__ unsigned int max ( const unsigned int a, const int b )
-
Calculate the maximum value of the input unsignedint and int arguments.
Description
Calculate the maximum value of the arguments a and b, perform integer promotion first.
- __device__ unsigned int max ( const int a, const unsigned int b )
-
Calculate the maximum value of the input int and unsignedint arguments.
Description
Calculate the maximum value of the arguments a and b, perform integer promotion first.
- __device__ unsigned int max ( const unsigned int a, const unsigned int b )
-
Calculate the maximum value of the input unsignedint arguments.
Description
Calculate the maximum value of the arguments a and b.
- __device__ int max ( const int a, const int b )
-
Calculate the maximum value of the input int arguments.
Description
Calculate the maximum value of the arguments a and b.
- __device__ unsigned long long int min ( const unsigned long long int a, const long long int b )
-
Calculate the minimum value of the input unsignedlonglongint and longlongint arguments.
Description
Calculate the minimum value of the arguments a and b, perform integer promotion first.
- __device__ unsigned long long int min ( const long long int a, const unsigned long long int b )
-
Calculate the minimum value of the input longlongint and unsignedlonglongint arguments.
Description
Calculate the minimum value of the arguments a and b, perform integer promotion first.
- __device__ unsigned long long int min ( const unsigned long long int a, const unsigned long long int b )
-
Calculate the minimum value of the input unsignedlonglongint arguments.
Description
Calculate the minimum value of the arguments a and b.
- __device__ long long int min ( const long long int a, const long long int b )
-
Calculate the minimum value of the input longlongint arguments.
Description
Calculate the minimum value of the arguments a and b.
- __device__ unsigned long int min ( const unsigned long int a, const long int b )
-
Calculate the minimum value of the input unsignedlongint and longint arguments.
Description
Calculate the minimum value of the arguments a and b, perform integer promotion first.
- __device__ unsigned long int min ( const long int a, const unsigned long int b )
-
Calculate the minimum value of the input longint and unsignedlongint arguments.
Description
Calculate the minimum value of the arguments a and b, perform integer promotion first.
- __device__ unsigned long int min ( const unsigned long int a, const unsigned long int b )
-
Calculate the minimum value of the input unsignedlongint arguments.
Description
Calculate the minimum value of the arguments a and b.
- __device__ long int min ( const long int a, const long int b )
-
Calculate the minimum value of the input longint arguments.
Description
Calculate the minimum value of the arguments a and b.
- __device__ unsigned int min ( const unsigned int a, const int b )
-
Calculate the minimum value of the input unsignedint and int arguments.
Description
Calculate the minimum value of the arguments a and b, perform integer promotion first.
- __device__ unsigned int min ( const int a, const unsigned int b )
-
Calculate the minimum value of the input int and unsignedint arguments.
Description
Calculate the minimum value of the arguments a and b, perform integer promotion first.
- __device__ unsigned int min ( const unsigned int a, const unsigned int b )
-
Calculate the minimum value of the input unsignedint arguments.
Description
Calculate the minimum value of the arguments a and b.
- __device__ int min ( const int a, const int b )
-
Calculate the minimum value of the input int arguments.
Description
Calculate the minimum value of the arguments a and b.
- __device__ unsigned long long int ullmax ( const unsigned long long int a, const unsigned long long int b )
-
Calculate the maximum value of the input unsignedlonglongint arguments.
Description
Calculate the maximum value of the arguments a and b.
- __device__ unsigned long long int ullmin ( const unsigned long long int a, const unsigned long long int b )
-
Calculate the minimum value of the input unsignedlonglongint arguments.
Description
Calculate the minimum value of the arguments a and b.
- __device__ unsigned int umax ( const unsigned int a, const unsigned int b )
-
Calculate the maximum value of the input unsignedint arguments.
Description
Calculate the maximum value of the arguments a and b.
- __device__ unsigned int umin ( const unsigned int a, const unsigned int b )
-
Calculate the minimum value of the input unsignedint arguments.
Description
Calculate the minimum value of the arguments a and b.