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Testsuite/Fortran: gfortran.dg/pr96711.f90 - fix expected value for PowerPC [PR96983] 

gcc/testsuite/ChangeLog:

	PR fortran/96983
	* gfortran.dg/pr96711.f90: Use 2**digit(x) instead of a hard-coded value;
	add comments regarding what the code does.
This commit is contained in:
Tobias Burnus 2021-05-20 09:51:10 +02:00
parent 94fa4c67b9
commit 9e0a5e3ea3
1 changed files with 4 additions and 2 deletions
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gcc/testsuite/gfortran.dg/pr96711.f90
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@ -10,10 +10,12 @@ program p
implicit none
real(8) :: x
real(16) :: y
! Assume radix(x) == 2
! 2/epsilon(x) = 2/(radix(x)**(1-digits(x)) = 2**digits(x) with that assumption
integer(16), parameter :: k1 = nint (2 / epsilon (x), kind(k1))
integer(16), parameter :: k2 = nint (2 / epsilon (y), kind(k2))
integer(16), parameter :: m1 = 9007199254740992_16 !2**53
integer(16), parameter :: m2 = 10384593717069655257060992658440192_16 !2**113
integer(16), parameter :: m1 = 2_16**digits(x) ! IEEE: 2**53
integer(16), parameter :: m2 = 2_16**digits(y) ! IEEE: 2**113
integer(16), volatile :: m
x = 2 / epsilon (x)
y = 2 / epsilon (y)