ac6ed182ed
2006-04-22 Andreas Tobler <a.tobler@schweiz.ch> * README: Remove notice about 'Crazy Comments'. * src/debug.c: Remove lint directives. Cleanup white spaces. * src/java_raw_api.c: Likewise. * src/prep_cif.c: Likewise. * src/raw_api.c: Likewise. * src/ffitest.c: Delete. No longer needed, all test cases migrated to the testsuite. * src/arm/ffi.c: Remove lint directives. * src/m32r/ffi.c: Likewise. * src/pa/ffi.c: Likewise. * src/powerpc/ffi.c: Likewise. * src/powerpc/ffi_darwin.c: Likewise. * src/sh/ffi.c: Likewise. * src/sh64/ffi.c: Likewise. * src/x86/ffi.c: Likewise. * testsuite/libffi.call/float2.c: Likewise. * testsuite/libffi.call/promotion.c: Likewise. * testsuite/libffi.call/struct1.c: Likewise. From-SVN: r113181
58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
/* Area: ffi_call
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Purpose: Check return value long double.
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Limitations: none.
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PR: none.
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Originator: From the original ffitest.c */
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/* { dg-do run } */
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#include "ffitest.h"
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#include "float.h"
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static long double ldblit(float f)
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{
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return (long double) (((long double) f)/ (long double) 3.0);
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}
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int main (void)
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{
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ffi_cif cif;
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ffi_type *args[MAX_ARGS];
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void *values[MAX_ARGS];
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float f;
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long double ld;
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args[0] = &ffi_type_float;
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values[0] = &f;
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/* Initialize the cif */
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CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
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&ffi_type_longdouble, args) == FFI_OK);
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f = 3.14159;
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#if 1
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/* This is ifdef'd out for now. long double support under SunOS/gcc
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is pretty much non-existent. You'll get the odd bus error in library
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routines like printf(). */
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printf ("%Lf\n", ldblit(f));
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#endif
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ld = 666;
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ffi_call(&cif, FFI_FN(ldblit), &ld, values);
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#if 1
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/* This is ifdef'd out for now. long double support under SunOS/gcc
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is pretty much non-existent. You'll get the odd bus error in library
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routines like printf(). */
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printf ("%Lf, %Lf, %Lf, %Lf\n", ld, ldblit(f), ld - ldblit(f), LDBL_EPSILON);
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#endif
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/* These are not always the same!! Check for a reasonable delta */
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if (ld - ldblit(f) < LDBL_EPSILON)
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puts("long double return value tests ok!");
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else
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CHECK(0);
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exit(0);
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}
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