Azur/libnum/src/static_checks.cpp

54 lines
1.4 KiB
C++

#include <num/num.h>
using namespace num;
static_assert(sizeof(num8) == 1);
static_assert(sizeof(num16) == 2);
static_assert(sizeof(num32) == 4);
static_assert(sizeof(num64) == 8);
static_assert(num8(1).v == 0x00);
static_assert(num8(0.5).v == 0x80);
static_assert(num8(0.0625f).v == 0x10);
static_assert((float)num8(0.25) == 0.25f);
static_assert(num8(0.625) + num8(0.125) == num8(0.75));
static_assert(num8(0.25) < num8(0.75));
static_assert(num8(0.5) >= num8(0.5));
static_assert((uint16_t)num16(-1).v == 0xff00);
static_assert(num16(num8(0.25)).v == num16(0.25).v);
static_assert(num32(num16(-15)) == num32(-15));
static_assert(num64(num16(1)) == num64(1));
static_assert(num64(num16(-1)) == num64(-1));
/* Comparisons between num8 and int */
static_assert(num8(0) == 0);
static_assert(num8(0) != 1);
static_assert(num8(0.5) != 0);
static_assert(num8(0.5) != 1);
static_assert(num8(1) == 0); // overflow
static_assert(num8(1) != 1); // overflow
static_assert(!(num8(0) < 0));
static_assert(num8(0) < 1);
static_assert(!(num8(0.5) < 0));
static_assert(num8(0.5) < 1);
static_assert(num8(0) <= 0);
static_assert(num8(0) <= 1);
static_assert(!(num8(0.5) <= 0));
static_assert(num8(0.5) <= 1);
static_assert(!(num8(0) > 0));
static_assert(!(num8(0) > 1));
static_assert(num8(0.5) > 0);
static_assert(!(num8(0.5) > 1));
static_assert(num8(0) >= 0);
static_assert(!(num8(0) >= 1));
static_assert(num8(0.5) >= 0);
static_assert(!(num8(0.5) >= 1));