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-rw-r--r--gcc/testsuite/gfortran.dg/c_by_val.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/c_by_val.c b/gcc/testsuite/gfortran.dg/c_by_val.c
new file mode 100644
index 000000000..617668619
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/c_by_val.c
@@ -0,0 +1,76 @@
+/* Passing from fortran to C by value, using %VAL. */
+
+#include <inttypes.h>
+
+/* We used to #include <complex.h>, but this fails for some platforms
+ (like cygwin) who don't have it yet. */
+#define complex __complex__
+#define _Complex_I (1.0iF)
+
+extern void f_to_f__ (float*, float, float*, float**);
+extern void f_to_f8__ (double*, double, double*, double**);
+extern void i_to_i__ (int*, int, int*, int**);
+extern void i_to_i8__ (int64_t*, int64_t, int64_t*, int64_t**);
+extern void c_to_c__ (complex float*, complex float, complex float*, complex float**);
+extern void c_to_c8__ (complex double*, complex double, complex double*, complex double**);
+extern void abort (void);
+
+void
+f_to_f__(float *retval, float a1, float *a2, float **a3)
+{
+ if ( a1 != *a2 ) abort();
+ if ( a1 != **a3 ) abort();
+ a1 = 0.0;
+ *retval = *a2 * 2.0;
+ return;
+}
+
+void
+f_to_f8__(double *retval, double a1, double *a2, double **a3)
+{
+ if ( a1 != *a2 ) abort();
+ if ( a1 != **a3 ) abort();
+ a1 = 0.0;
+ *retval = *a2 * 2.0;
+ return;
+}
+
+void
+i_to_i__(int *retval, int i1, int *i2, int **i3)
+{
+ if ( i1 != *i2 ) abort();
+ if ( i1 != **i3 ) abort();
+ i1 = 0;
+ *retval = *i2 * 3;
+ return;
+}
+
+void
+i_to_i8__(int64_t *retval, int64_t i1, int64_t *i2, int64_t **i3)
+{
+ if ( i1 != *i2 ) abort();
+ if ( i1 != **i3 ) abort();
+ i1 = 0;
+ *retval = *i2 * 3;
+ return;
+}
+
+void
+c_to_c__(complex float *retval, complex float c1, complex float *c2, complex float **c3)
+{
+ if ( c1 != *c2 ) abort();
+ if ( c1 != *(*c3) ) abort();
+ c1 = 0.0 + 0.0 * _Complex_I;
+ *retval = (*c2) * 4.0;
+ return;
+}
+
+void
+c_to_c8__(complex double *retval, complex double c1, complex double *c2, complex double **c3)
+{
+ if ( c1 != *c2 ) abort();
+ if ( c1 != *(*c3) ) abort();
+ c1 = 0.0 + 0.0 * _Complex_I;;
+ *retval = (*c2) * 4.0;
+ return;
+}