| ! { dg-do link } |
| ! |
| ! This test checks whether the largest possible |
| ! floating-point number works. That's usually |
| ! REAL(16) -- either because the hardware supports it or |
| ! because of libquadmath. However, it can also be |
| ! REAL(10) or REAL(8) |
| ! |
| program test_qp |
| use iso_fortran_env, only: real_kinds |
| implicit none |
| integer, parameter :: QP = real_kinds(ubound(real_kinds,dim=1)) |
| real(QP), parameter :: Z1 = 1,HALF_PI = asin(Z1),PI = HALF_PI+HALF_PI |
| real(QP) :: x = 0.124_QP |
| complex(QP) :: z = 0.124_QP |
| print *, 'kind = ', qp |
| print *, x |
| print *, PI |
| print *, 16*atan(0.2_QP)-4*atan(Z1/239) |
| print *, sin(PI) |
| print *, cos(HALF_PI) |
| print *, asinh(PI) |
| print *, erfc(Z1) |
| print *, epsilon(x) |
| print *, precision(x) |
| print *, digits(x) |
| |
| print *, z |
| print *, PI*cmplx(0.0_qp, 1.0_qp) |
| ! Disable the complex functions as not all "long-double" systems have |
| ! a libm with those C99 functions. (libquadmath had), cf. PR 46584 |
| ! print *, 16*atan(0.2_QP)-4*atan(Z1/239) |
| ! print *, sin(z) |
| ! print *, cos(z) |
| ! print *, sinh(z) ! asinh not implemented in libquadmath, cf. PR 46416 |
| print *, precision(z) |
| end program test_qp |
