| 47,14 → 47,32 |
|---|
| /* TODO: fix underflow */ |
| }; |
| |
| cfrac >>= 1; |
| ++cexp; |
| cfrac += (0x1 << (64 - FLOAT64_FRACTION_SIZE - 3)); |
| |
| if ((cexp < 0) || ( cexp == 0 && (!(cfrac & (FLOAT64_HIDDEN_BIT_MASK << (64 - FLOAT64_FRACTION_SIZE - 1)))))) { |
| /* FIXME: underflow */ |
| result.parts.exp = 0; |
| if ((cexp + FLOAT64_FRACTION_SIZE) < 0) { |
| result.parts.fraction = 0; |
| return result; |
| } |
| //cfrac >>= 1; |
| while (cexp < 0) { |
| cexp++; |
| cfrac >>= 1; |
| } |
| |
| result.parts.fraction = ((cfrac >>(64 - FLOAT64_FRACTION_SIZE - 2) ) & (~FLOAT64_HIDDEN_BIT_MASK)); |
| |
| return result; |
| } |
| |
| ++cexp; |
| |
| if (cfrac & (FLOAT64_HIDDEN_BIT_MASK << (64 - FLOAT64_FRACTION_SIZE - 1 ))) { |
| ++cexp; |
| cfrac >>= 1; |
| } |
| } |
| |
| /* check overflow */ |
| if (cexp >= FLOAT64_MAX_EXPONENT ) { |
| 64,26 → 82,10 |
|---|
| return result; |
| } |
| |
| if (cexp < 0) { |
| /* FIXME: underflow */ |
| result.parts.exp = 0; |
| if ((cexp + FLOAT64_FRACTION_SIZE) < 0) { |
| result.parts.fraction = 0; |
| return result; |
| } |
| cfrac >>= 1; |
| while (cexp < 0) { |
| cexp ++; |
| cfrac >>= 1; |
| } |
| return result; |
| |
| } else { |
| cexp ++; /*normalized*/ |
| result.parts.exp = (__u32)cexp; |
| } |
| result.parts.exp = (__u32)cexp; |
| |
| result.parts.fraction = ((cfrac >>(64 - FLOAT64_FRACTION_SIZE - 2 ) ) & (~FLOAT64_HIDDEN_BIT_MASK)); |
| |
| return result; |
| } |
| |