aboutsummaryrefslogtreecommitdiff
path: root/gcc/testsuite/gfortran.dg/large_real_kind_3.F90
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/testsuite/gfortran.dg/large_real_kind_3.F90')
-rw-r--r--gcc/testsuite/gfortran.dg/large_real_kind_3.F9024
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/large_real_kind_3.F90 b/gcc/testsuite/gfortran.dg/large_real_kind_3.F90
new file mode 100644
index 00000000000..664be865f5b
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/large_real_kind_3.F90
@@ -0,0 +1,24 @@
+! { dg-do run }
+! { dg-require-effective-target fortran_large_real }
+! { dg-xfail-if "" { "powerpc*-apple-darwin*" } { "*" } { "" } }
+
+! Testing erf and erfc library calls on large real kinds (larger than kind=8)
+ implicit none
+
+ integer,parameter :: k = selected_real_kind (precision (0.0_8) + 1)
+ real(8),parameter :: eps = 1e-8
+
+ real(kind=k) :: x
+ real(8) :: y
+
+#define TEST_FUNCTION(func,val) \
+ x = val ;\
+ y = x ;\
+ x = func (x) ;\
+ y = func (y) ;\
+ if (abs((y - x) / y) > eps) call abort
+
+ TEST_FUNCTION(erf,1.45123231)
+ TEST_FUNCTION(erfc,-0.123789)
+
+end