1 /* $NetBSD: platform_ldbl96.c,v 1.6 2023/07/05 11:42:14 rillig Exp $ */ 2 # 3 "platform_ldbl96.c" 3 4 /* 5 * Test features that only apply to platforms that have 96-bit long double. 6 */ 7 8 /* lint1-extra-flags: -c -h -a -p -b -r -z -X 351 */ 9 /* lint1-only-if: ldbl96 */ 10 11 /* CONSTCOND */ 12 typedef int bits_per_byte[((unsigned char)-1) == 255 ? 1 : -1]; 13 typedef int bytes_per_long_double[sizeof(long double) == 12 ? 1 : -1]; 14 15 /* 16 * Both i386 and m68k use the same floating point format for 'long double', 17 * which has 1 bit sign + 15 bit exponent + 64 bit unnormalized mantissa. 18 * This means the maximum representable value is 1.1111111(bin) * 2^16383, 19 * which is about 1.189e4932. 20 */ 21 /* expect+1: warning: floating-point constant out of range [248] */ 22 double larger_than_ldbl = 1e4933; 23 /* expect+1: warning: floating-point constant out of range [248] */ 24 long double larger_than_ldbl_l = 1e4933L; 25 /* expect+1: warning: floating-point constant out of range [248] */ 26 double larger_than_dbl = 1e4932; 27 /* Fits in 'long double' but not in 'double'. */ 28 long double larger_than_dbl_l = 1e4932L; 29