| 29,6 → 29,7 |
|---|
| #include "sftypes.h" |
| #include "conversion.h" |
| #include "comparison.h" |
| #include "common.h" |
| |
| float64 convertFloat32ToFloat64(float32 a) |
| { |
| 385,4 → 386,74 |
|---|
| return (__s32)_float64_to_uint64_helper(a); |
| } |
| |
| |
| /** Convert unsigned integer to float32 |
| * |
| * |
| */ |
| float32 uint32_to_float32(__u32 i) |
| { |
| int counter; |
| __s32 exp; |
| float32 result; |
| |
| result.parts.sign = 0; |
| result.parts.fraction = 0; |
| |
| counter = countZeroes32(i); |
| |
| exp = FLOAT32_BIAS + 32 - counter - 1; |
| |
| if (counter == 32) { |
| result.binary = 0; |
| return result; |
| } |
| |
| if (counter > 0) { |
| i <<= counter - 1; |
| } else { |
| i >>= 1; |
| } |
| |
| roundFloat32(&exp, &i); |
| |
| result.parts.fraction = i >> 7; |
| result.parts.exp = exp; |
| |
| return result; |
| } |
| |
| float32 int32_to_float32(__s32 i) |
| { |
| float32 result; |
| |
| if (i < 0) { |
| result = uint32_to_float32((__u32)(-i)); |
| } else { |
| result = uint32_to_float32((__u32)i); |
| } |
| |
| result.parts.sign = i < 0; |
| |
| return result; |
| } |
| |
| |
| float32 uint64_to_float32(__u64 i) |
| { |
| } |
| |
| float32 int64_to_float32(__s64 i) |
| { |
| float32 result; |
| |
| if (i < 0) { |
| result = uint64_to_float32((__u64)(-i)); |
| } else { |
| result = uint64_to_float32((__u64)i); |
| } |
| |
| result.parts.sign = i < 0; |
| |
| return result; |
| } |