#if defined(__mips__) && defined(__sgi__) #include #endif /* defined(__mips__) && defined(__sgi__) */ #if __INT_MAX__ != 2147483647 || (__LONG_LONG_MAX__ != 9223372036854775807ll && __LONG_MAX__ != 9223372036854775807ll) int main(void) { exit (0); } #else #if __LONG_MAX__ != 9223372036854775807ll typedef unsigned long long ull; #else typedef unsigned long ull; #endif typedef unsigned ul; union fl { float f; ul l; } uf; union dl { double d; ull ll; } ud; int failed = 0; void c(ull d, ul f) { ud.ll = d; uf.f = (float) ud.d; if (uf.l != f) { failed++; } } int main() { #if defined(__mips__) && defined(__sgi__) /* Many MIPS chips round denormalized floating point numbers to zero rather than follow the IEEE standard. Change the rounding mode to correspond to the IEEE rounding mode that rounds numbers to the nearest representable mode, the most common IEEE rounding mode. */ set_fpc_csr(0); #endif /* defined(__mips__) && defined(__sgi__) */ if (sizeof (float) != sizeof (ul) || sizeof (double) != sizeof (ull)) exit (0); c(0x3690000000000000ULL, 0x00000000U); #if (defined __arm__ || defined __thumb__) && ! (defined __ARMEB__ || defined __VFP_FP__) /* The ARM always stores FP numbers in big-wordian format, even when running in little-byteian mode. */ c(0x0000000136900000ULL, 0x00000001U); c(0xffffffff369fffffULL, 0x00000001U); c(0x0000000036A00000ULL, 0x00000001U); c(0xffffffff36A7ffffULL, 0x00000001U); c(0x0000000036A80000ULL, 0x00000002U); c(0xffffffff36AfffffULL, 0x00000002U); c(0x0000000036b00000ULL, 0x00000002U); c(0x0000000136b00000ULL, 0x00000002U); c(0xdfffffff380fffffULL, 0x007fffffU); c(0xe0000000380fffffULL, 0x00800000U); c(0xe0000001380fffffULL, 0x00800000U); c(0xffffffff380fffffULL, 0x00800000U); c(0x0000000038100000ULL, 0x00800000U); c(0x0000000138100000ULL, 0x00800000U); c(0x1000000038100000ULL, 0x00800000U); c(0x1000000138100000ULL, 0x00800001U); c(0x2fffffff38100000ULL, 0x00800001U); c(0x3000000038100000ULL, 0x00800002U); c(0x5000000038100000ULL, 0x00800002U); c(0x5000000138100000ULL, 0x00800003U); #else c(0x3690000000000001ULL, 0x00000001U); c(0x369fffffffffffffULL, 0x00000001U); c(0x36A0000000000000ULL, 0x00000001U); c(0x36A7ffffffffffffULL, 0x00000001U); c(0x36A8000000000000ULL, 0x00000002U); c(0x36AfffffffffffffULL, 0x00000002U); c(0x36b0000000000000ULL, 0x00000002U); c(0x36b0000000000001ULL, 0x00000002U); c(0x380fffffdfffffffULL, 0x007fffffU); c(0x380fffffe0000000ULL, 0x00800000U); c(0x380fffffe0000001ULL, 0x00800000U); c(0x380fffffffffffffULL, 0x00800000U); c(0x3810000000000000ULL, 0x00800000U); c(0x3810000000000001ULL, 0x00800000U); c(0x3810000010000000ULL, 0x00800000U); c(0x3810000010000001ULL, 0x00800001U); c(0x381000002fffffffULL, 0x00800001U); c(0x3810000030000000ULL, 0x00800002U); c(0x3810000050000000ULL, 0x00800002U); c(0x3810000050000001ULL, 0x00800003U); #endif if (failed) abort (); else exit (0); } #endif