2017-02-20 Paul Thomas <pault@gcc.gnu.org>
[official-gcc.git] / gcc / testsuite / gfortran.dg / hypot_1.f90
blob59022fab93ca23150555d3e5ca882eded7add29b
1 ! { dg-do run }
3 program test
4 implicit none
6 interface check
7 procedure check_r4
8 procedure check_r8
9 end interface check
11 real(kind=4) :: x4, y4
12 real(kind=8) :: x8, y8
14 x8 = 1.9_8 ; x4 = 1.9_4
15 y8 = -2.1_8 ; y4 = -2.1_4
17 call check(hypot(x8,y8), hypot(1.9_8,-2.1_8))
18 call check(hypot(x4,y4), hypot(1.9_4,-2.1_4))
20 contains
21 subroutine check_r4 (a, b)
22 real(kind=4), intent(in) :: a, b
23 if (abs(a - b) > 1.e-5 * abs(b)) call abort
24 end subroutine
25 subroutine check_r8 (a, b)
26 real(kind=8), intent(in) :: a, b
27 if (abs(a - b) > 1.e-7 * abs(b)) call abort
28 end subroutine
29 end program test