8 #ifndef BITCOIN_COMPAT_ASSUMPTIONS_H
9 #define BITCOIN_COMPAT_ASSUMPTIONS_H
17 # error "Bitcoin cannot be compiled without assertions."
25 static_assert(__cplusplus >= 201703L,
"C++17 standard assumed");
31 static_assert(std::numeric_limits<float>::is_iec559,
"IEEE 754 float assumed");
32 static_assert(std::numeric_limits<double>::is_iec559,
"IEEE 754 double assumed");
37 static_assert(std::numeric_limits<unsigned char>::digits == 8,
"8-bit byte assumed");
41 static_assert(
sizeof(
float) == 4,
"32-bit float assumed");
42 static_assert(
sizeof(
double) == 8,
"64-bit double assumed");
47 static_assert(
sizeof(
short) == 2,
"16-bit short assumed");
48 static_assert(
sizeof(
int) == 4,
"32-bit int assumed");
49 static_assert(
sizeof(
unsigned) == 4,
"32-bit unsigned assumed");
54 static_assert(
sizeof(
size_t) == 4 ||
sizeof(
size_t) == 8,
"size_t assumed to be 32-bit or 64-bit");
55 static_assert(
sizeof(
size_t) ==
sizeof(
void*),
"Sizes of size_t and void* assumed to be equal");
62 #endif // BITCOIN_COMPAT_ASSUMPTIONS_H