[Octave-bug-tracker] [bug #64361] sinc() return NaN on sinc(-1:0.20:1-0.20) expression

[Dmitri A. Sergatskov]

Follow-up Comment #8, bug #64361 (project octave):

So it must be some re-casting happens between x = (-1:0.2:1-0.2)
and calling x(i):


octave:43> x = (-1:0.2:1-0.2)
x =

 Columns 1 through 6:

   -1.000000000000000   -0.800000000000000   -0.600000000000000  
-0.400000000000000   -0.200000000000000    0.000000000000000

 Columns 7 through 10:

    0.200000000000000    0.400000000000000    0.600000000000000   
0.800000000000000

octave:44> format long
octave:45> x = (-1:0.2:1-0.2)
x =

 Columns 1 through 6:

   -1.000000000000000   -0.800000000000000   -0.600000000000000  
-0.400000000000000   -0.200000000000000    0.000000000000000

 Columns 7 through 10:

    0.200000000000000    0.400000000000000    0.600000000000000   
0.800000000000000

octave:46> (-1:0.2:1-0.2) - x(6)
ans =

 Columns 1 through 5:

  -1.000000000000000e+00  -8.000000000000000e-01  -6.000000000000000e-01 
-4.000000000000000e-01  -2.000000000000000e-01

 Columns 6 through 10:

   5.551115123125783e-17   2.000000000000001e-01   4.000000000000001e-01  
6.000000000000001e-01   8.000000000000000e-01



Dmitri.
-- 



    _______________________________________________________

Reply to this item at:

  <https://savannah.gnu.org/bugs/?64361>

_______________________________________________
Message sent via Savannah
https://savannah.gnu.org/