This routine is not for general use. It exists solely to avoid over-optimization in DISNAN. LAISNAN: checks for NaNs by comparing its two arguments for inequality. NaN is the only floating-point value where NaN != NaN returns .TRUE. To check for NaNs, pass the same variable as both arguments. A compiler must assume that the two arguments are not the same variable, and the test will not be optimized away. Interprocedural or whole-program optimization may delete this test. The ISNAN functions will be replaced by the correct Fortran 03 intrinsic once the intrinsic is widely available. More...

Public Member Functions
pure logical(lk) function	dlaisnan (din1, din2)

	la_dlaisnan

	la_qlaisnan

pure logical(lk) function	slaisnan (sin1, sin2)

	la_slaisnan

Detailed Description

This routine is not for general use. It exists solely to avoid over-optimization in DISNAN. LAISNAN: checks for NaNs by comparing its two arguments for inequality. NaN is the only floating-point value where NaN != NaN returns .TRUE. To check for NaNs, pass the same variable as both arguments. A compiler must assume that the two arguments are not the same variable, and the test will not be optimized away. Interprocedural or whole-program optimization may delete this test. The ISNAN functions will be replaced by the correct Fortran 03 intrinsic once the intrinsic is widely available.

Member Function/Subroutine Documentation

◆ dlaisnan()

pure logical(lk) function la_lapack::laisnan::dlaisnan	(	real(dp), intent(in)	din1,
		real(dp), intent(in)	din2
	)

◆ la_dlaisnan()

la_lapack::laisnan::la_dlaisnan

◆ la_qlaisnan()

la_lapack::laisnan::la_qlaisnan

◆ la_slaisnan()

la_lapack::laisnan::la_slaisnan

◆ slaisnan()

pure logical(lk) function la_lapack::laisnan::slaisnan	(	real(sp), intent(in)	sin1,
		real(sp), intent(in)	sin2
	)

The documentation for this interface was generated from the following file:

la_lapack.f90