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Hexadecimal floats for "perfect values" 0h42f60000 == 123; use bit_cast in compiler

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gingerBill
2018-02-25 15:09:16 +00:00
parent 27b7dc336a
commit d247ba4751
9 changed files with 70 additions and 54 deletions
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src/integer128.cpp
+6 -6
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@@ -278,7 +278,7 @@ f64 u128_to_f64(u128 a) {
return -((cast(f64)h * 18446744073709551616.0) + cast(f64)l);
}
i128 u128_to_i128(u128 a) {
return *cast(i128 *)&a;
return bit_cast<i128>(a);
}
@@ -306,7 +306,7 @@ f64 i128_to_f64(i128 a) {
return -((cast(f64)h * 18446744073709551616.0) + cast(f64)l);
}
u128 i128_to_u128(i128 a) {
return *cast(u128 *)&a;
return bit_cast<u128>(a);
}
@@ -335,7 +335,7 @@ String i128_to_string(i128 a, char *out_buf, isize out_buf_len) {
a = i128_neg(a);
}
u128 v = *cast(u128 *)&a;
u128 v = bit_cast<u128>(a);
u128 b = u128_from_u64(10);;
while (u128_ge(v, b)) {
buf[--i] = gb__num_to_char_table[u128_to_i64(u128_mod(v, b))];
@@ -692,9 +692,9 @@ void i128_divide(i128 a, i128 b, i128 *quo_, i128 *rem_) {
irem = i128_from_i64(r);
} else if (a.hi > 0 || b.hi > 0) {
u128 q, r = {0};
u128_divide(*cast(u128 *)&a, *cast(u128 *)&b, &q, &r);
iquo = *cast(i128 *)&q;
irem = *cast(i128 *)&r;
u128_divide(bit_cast<u128>(a), bit_cast<u128>(b), &q, &r);
iquo = bit_cast<i128>(q);
irem = bit_cast<i128>(r);
} else if (i128_eq(b, I128_ZERO)) {
iquo = i128_from_u64(a.lo/b.lo);
} else {