43 lines
724 B
C
43 lines
724 B
C
/* Area: ffi_call
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Purpose: Check return value 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 double dblit(float f)
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{
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return f/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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double d;
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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_double, args) == FFI_OK);
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f = 3.14159;
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ffi_call(&cif, FFI_FN(dblit), &d, values);
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/* These are not always the same!! Check for a reasonable delta */
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CHECK(d - dblit(f) < DBL_EPSILON);
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exit(0);
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}
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