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/* See LICENSE file for copyright and license details. */
#include <stdint.h>
#include <stdio.h>
int
main(void)
{
char *u16 = (char *)&(uint16_t){0x0001};
char *u32 = (char *)&(uint32_t){0x00010203};
char *u64 = (char *)&(uint64_t){0x0001020304050607};
int le16 = (u16[1] == 0 && u16[0] == 1);
int le32 = (u32[3] == 0 && u32[2] == 1 && u32[1] == 2 && u32[0] == 3);
int le64 = (u64[7] == 0 && u64[6] == 1 && u64[5] == 2 && u64[4] == 3 &&
u64[3] == 4 && u64[2] == 5 && u64[1] == 6 && u64[0] == 7);
int be16 = (u16[0] == 0 && u16[1] == 1);
int be32 = (u32[0] == 0 && u32[1] == 1 && u32[2] == 2 && u32[3] == 3);
int be64 = (u64[0] == 0 && u64[1] == 1 && u64[2] == 2 && u64[3] == 3 &&
u64[4] == 4 && u64[5] == 5 && u64[6] == 6 && u64[7] == 7);
if (le16)
printf("#define HOST_ENDIAN_IS_LITTLE_ENDIAN_16\n");
if (le32)
printf("#define HOST_ENDIAN_IS_LITTLE_ENDIAN_32\n");
if (le64)
printf("#define HOST_ENDIAN_IS_LITTLE_ENDIAN_64\n");
if (le16 && le32 && le64)
printf("#define HOST_ENDIAN_IS_LITTLE_ENDIAN\n");
if (be16)
printf("#define HOST_ENDIAN_IS_BIG_ENDIAN_16\n");
if (be32)
printf("#define HOST_ENDIAN_IS_BIG_ENDIAN_32\n");
if (be64)
printf("#define HOST_ENDIAN_IS_BIG_ENDIAN_64\n");
if (be16 && be32 && be64)
printf("#define HOST_ENDIAN_IS_BIG_ENDIAN\n");
if (sizeof(float) == 4) {
unsigned long int a, b;
a = (unsigned long int)*(uint32_t *)&(float){ (float)(1. / 12.) };
b = (unsigned long int)*(uint32_t *)&(float){ -(float)(1. / 12.) };
printf("#define USING_BINARY32 %i\n",
a == 0x3daaaaabUL && b == 0xbdaaaaabUL);
}
if (sizeof(double) == 8) {
unsigned long long int a, b;
a = (unsigned long long int)*(uint64_t *)&(double){ 1. / 12. };
b = (unsigned long long int)*(uint64_t *)&(double){ -1. / 12. };
printf("#define USING_BINARY64 %i\n",
a == 0x3fb5555555555555ULL && b == 0xbfb5555555555555ULL);
}
return 0;
}
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