SQRT — Square-root function#
-
SQRT(X)#
SQRT(X)
computes the square root ofX
.- Parameters
X – The type shall be
REAL
orCOMPLEX
.- Returns
The return value is of type
REAL
orCOMPLEX
. The kind type parameter is the same asX
.
- Standard:
Fortran 77 and later
- Class:
Elemental function
- Syntax:
RESULT = SQRT(X)
- Example:
program test_sqrt real(8) :: x = 2.0_8 complex :: z = (1.0, 2.0) x = sqrt(x) z = sqrt(z) end program test_sqrt
- Specific names:
Name
Argument
Return type
Standard
SQRT(X)
REAL(4) X
REAL(4)
Fortran 77 and later
DSQRT(X)
REAL(8) X
REAL(8)
Fortran 77 and later
CSQRT(X)
COMPLEX(4) X
COMPLEX(4)
Fortran 77 and later
ZSQRT(X)
COMPLEX(8) X
COMPLEX(8)
GNU extension
CDSQRT(X)
COMPLEX(8) X
COMPLEX(8)
GNU extension