Data
type

Size
(bytes)

C/C++

FTN77

FTN95

Integer

1

char

INTEGER*1

INTEGER (KIND=1)

Integer

2

short int

INTEGER*2

INTEGER (KIND=2)

Integer

4

int
long int

INTEGER*4

INTEGER (KIND=3)

Unsigned integer

1

unsigned char

-

-

Unsigned integer

2

unsigned short int

-

-

Unsigned integer

4

unsigned int

-

-

Logical

1

char

LOGICAL*1

LOGICAL (KIND=1)

Logical

2

short int

LOGICAL*2

LOGICAL (KIND=2)

Logical

4

int

LOGICAL*4

LOGICAL (KIND=3)

Real

4

float

REAL; REAL*4

REAL (KIND=1)

Real

8

double

REAL*8; DOUBLE PRECISION

REAL (KIND=2)

Real

10

long double

-

REAL (KIND=3)

Character

1

char

CHARACTER

CHARACTER