| … | |
… | |
| 558 | #define ECB_STDFP 0 |
558 | #define ECB_STDFP 0 |
| 559 | #endif |
559 | #endif |
| 560 | |
560 | |
| 561 | #ifndef ECB_NO_LIBM |
561 | #ifndef ECB_NO_LIBM |
| 562 | |
562 | |
| 563 | #if __STDC_IEC_559__ || ECB_STDFP |
|
|
| 564 | /* we assume this is defined for most C and many C++ compilers */ |
|
|
| 565 | ecb_inline ecb_bool ecb_float_ieee (void) ecb_const; |
|
|
| 566 | ecb_inline ecb_bool ecb_float_ieee (void) { return 1; } |
|
|
| 567 | ecb_inline ecb_bool ecb_double_ieee (void) ecb_const; |
|
|
| 568 | ecb_inline ecb_bool ecb_double_ieee (void) { return 1; } |
|
|
| 569 | #elif ECB_CPP |
|
|
| 570 | #include <limits> |
|
|
| 571 | ecb_inline ecb_bool ecb_float_ieee (void) ecb_const; |
|
|
| 572 | ecb_inline ecb_bool ecb_float_ieee (void) { return std::numeric_limits<float >::is_iec559; } |
|
|
| 573 | ecb_inline ecb_bool ecb_double_ieee (void) ecb_const; |
|
|
| 574 | ecb_inline ecb_bool ecb_double_ieee (void) { return std::numeric_limits<double>::is_iec559; } |
|
|
| 575 | #else |
|
|
| 576 | ecb_inline ecb_bool ecb_float_ieee (void) ecb_const; |
|
|
| 577 | ecb_inline ecb_bool ecb_float_ieee (void) { return 0; } |
|
|
| 578 | ecb_inline ecb_bool ecb_double_ieee (void) ecb_const; |
|
|
| 579 | ecb_inline ecb_bool ecb_double_ieee (void) { return 0; } |
|
|
| 580 | #endif |
|
|
| 581 | |
|
|
| 582 | /* convert a float to ieee single/binary32 */ |
563 | /* convert a float to ieee single/binary32 */ |
| 583 | ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; |
564 | ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; |
| 584 | ecb_function_ uint32_t |
565 | ecb_function_ uint32_t |
| 585 | ecb_float_to_binary32 (float x) |
566 | ecb_float_to_binary32 (float x) |
| 586 | { |
567 | { |
