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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /js/src/ctypes/libffi/testsuite/libffi.call/float2.c | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/ctypes/libffi/testsuite/libffi.call/float2.c')
-rw-r--r-- | js/src/ctypes/libffi/testsuite/libffi.call/float2.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/js/src/ctypes/libffi/testsuite/libffi.call/float2.c b/js/src/ctypes/libffi/testsuite/libffi.call/float2.c new file mode 100644 index 000000000..a0b296cf4 --- /dev/null +++ b/js/src/ctypes/libffi/testsuite/libffi.call/float2.c @@ -0,0 +1,58 @@ +/* Area: ffi_call + Purpose: Check return value long double. + Limitations: none. + PR: none. + Originator: From the original ffitest.c */ + +/* { dg-excess-errors "fails" { target x86_64-*-mingw* x86_64-*-cygwin* } } */ +/* { dg-do run { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */ + +#include "ffitest.h" +#include "float.h" + +static long double ldblit(float f) +{ + return (long double) (((long double) f)/ (long double) 3.0); +} + +int main (void) +{ + ffi_cif cif; + ffi_type *args[MAX_ARGS]; + void *values[MAX_ARGS]; + float f; + long double ld; + + args[0] = &ffi_type_float; + values[0] = &f; + + /* Initialize the cif */ + CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, + &ffi_type_longdouble, args) == FFI_OK); + + f = 3.14159; + +#if 1 + /* This is ifdef'd out for now. long double support under SunOS/gcc + is pretty much non-existent. You'll get the odd bus error in library + routines like printf(). */ + printf ("%Lf\n", ldblit(f)); +#endif + ld = 666; + ffi_call(&cif, FFI_FN(ldblit), &ld, values); + +#if 1 + /* This is ifdef'd out for now. long double support under SunOS/gcc + is pretty much non-existent. You'll get the odd bus error in library + routines like printf(). */ + printf ("%Lf, %Lf, %Lf, %Lf\n", ld, ldblit(f), ld - ldblit(f), LDBL_EPSILON); +#endif + + /* These are not always the same!! Check for a reasonable delta */ + if (ld - ldblit(f) < LDBL_EPSILON) + puts("long double return value tests ok!"); + else + CHECK(0); + + exit(0); +} |