Mercurial > hg > CbC > CbC_gcc
view libffi/testsuite/libffi.call/float3.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
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/* Area: ffi_call Purpose: Check float arguments with different orders. Limitations: none. PR: none. Originator: From the original ffitest.c */ /* { dg-do run } */ #include "ffitest.h" #include "float.h" #include <math.h> static double floating_1(float a, double b, long double c) { return (double) a + b + (double) c; } static double floating_2(long double a, double b, float c) { return (double) a + b + (double) c; } int main (void) { ffi_cif cif; ffi_type *args[MAX_ARGS]; void *values[MAX_ARGS]; double rd; float f; double d; long double ld; args[0] = &ffi_type_float; values[0] = &f; args[1] = &ffi_type_double; values[1] = &d; args[2] = &ffi_type_longdouble; values[2] = &ld; /* Initialize the cif */ CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3, &ffi_type_double, args) == FFI_OK); f = 3.14159; d = (double)1.0/(double)3.0; ld = 2.71828182846L; floating_1 (f, d, ld); ffi_call(&cif, FFI_FN(floating_1), &rd, values); CHECK(fabs(rd - floating_1(f, d, ld)) < DBL_EPSILON); args[0] = &ffi_type_longdouble; values[0] = &ld; args[1] = &ffi_type_double; values[1] = &d; args[2] = &ffi_type_float; values[2] = &f; /* Initialize the cif */ CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3, &ffi_type_double, args) == FFI_OK); floating_2 (ld, d, f); ffi_call(&cif, FFI_FN(floating_2), &rd, values); CHECK(fabs(rd - floating_2(ld, d, f)) < DBL_EPSILON); exit (0); }