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/GNU Fortran 6

9.19 ASINH — Inverse hyperbolic sine function

Description:
ASINH(X) computes the inverse hyperbolic sine of X.
Standard:
Fortran 2008 and later
Class:
Elemental function
Syntax:
RESULT = ASINH(X)
Arguments:
X The type shall be REAL or COMPLEX.
Return value:
The return value is of the same type and kind as X. If X is complex, the imaginary part of the result is in radians and lies between -\pi/2 \leq \Im \asinh(x) \leq \pi/2.
Example:
PROGRAM test_asinh
  REAL(8), DIMENSION(3) :: x = (/ -1.0, 0.0, 1.0 /)
  WRITE (*,*) ASINH(x)
END PROGRAM
Specific names:
Name Argument Return type Standard
DASINH(X) REAL(8) X REAL(8) GNU extension.
See also:
Inverse function: SINH

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Licensed under the GNU Free Documentation License, Version 1.3.
https://gcc.gnu.org/onlinedocs/gcc-6.3.0/gfortran/ASINH.html