75 lines
1.4 KiB
C
75 lines
1.4 KiB
C
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/* Area: ffi_call
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Purpose: Check float arguments with different orders.
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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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#include <math.h>
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static double floating_1(float a, double b, long double c)
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{
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return (double) a + b + (double) c;
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}
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static double floating_2(long double a, double b, float c)
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{
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return (double) a + b + (double) c;
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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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double rd;
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float f;
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double d;
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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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args[1] = &ffi_type_double;
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values[1] = &d;
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args[2] = &ffi_type_longdouble;
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values[2] = &ld;
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/* Initialize the cif */
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CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3,
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&ffi_type_double, args) == FFI_OK);
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f = 3.14159;
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d = (double)1.0/(double)3.0;
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ld = 2.71828182846L;
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floating_1 (f, d, ld);
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ffi_call(&cif, FFI_FN(floating_1), &rd, values);
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CHECK(fabs(rd - floating_1(f, d, ld)) < DBL_EPSILON);
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args[0] = &ffi_type_longdouble;
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values[0] = &ld;
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args[1] = &ffi_type_double;
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values[1] = &d;
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args[2] = &ffi_type_float;
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values[2] = &f;
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/* Initialize the cif */
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CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3,
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&ffi_type_double, args) == FFI_OK);
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floating_2 (ld, d, f);
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ffi_call(&cif, FFI_FN(floating_2), &rd, values);
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CHECK(fabs(rd - floating_2(ld, d, f)) < DBL_EPSILON);
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exit (0);
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}
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