8 #ifndef BITCOIN_COMPAT_ASSUMPTIONS_H 9 #define BITCOIN_COMPAT_ASSUMPTIONS_H 17 # error "Bitcoin cannot be compiled without assertions." 24 #if !defined(_MSC_VER) 28 static_assert(__cplusplus >= 201103L,
"C++11 standard assumed");
35 static_assert(std::numeric_limits<float>::is_iec559,
"IEEE 754 float assumed");
36 static_assert(std::numeric_limits<double>::is_iec559,
"IEEE 754 double assumed");
41 static_assert(std::numeric_limits<unsigned char>::digits == 8,
"8-bit byte assumed");
45 static_assert(
sizeof(
float) == 4,
"32-bit float assumed");
46 static_assert(
sizeof(
double) == 8,
"64-bit double assumed");
51 static_assert(
sizeof(
short) == 2,
"16-bit short assumed");
52 static_assert(
sizeof(
int) == 4,
"32-bit int assumed");
53 static_assert(
sizeof(
unsigned) == 4,
"32-bit unsigned assumed");
58 static_assert(
sizeof(
size_t) == 4 ||
sizeof(
size_t) == 8,
"size_t assumed to be 32-bit or 64-bit");
59 static_assert(
sizeof(
size_t) ==
sizeof(
void*),
"Sizes of size_t and void* assumed to be equal");
66 #endif // BITCOIN_COMPAT_ASSUMPTIONS_H