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Diffstat (limited to 'gcc/testsuite/gfortran.dg/quad_1.f90')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/quad_1.f90 | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/quad_1.f90 b/gcc/testsuite/gfortran.dg/quad_1.f90 new file mode 100644 index 000000000..e75faacdb --- /dev/null +++ b/gcc/testsuite/gfortran.dg/quad_1.f90 @@ -0,0 +1,37 @@ +! { 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 |