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| author | Marco Paland <marco@paland.com> | 2019-02-18 12:28:05 +0100 |
|---|---|---|
| committer | Marco Paland <marco@paland.com> | 2019-02-18 12:39:16 +0100 |
| commit | d61d0146e6ce9bf13396a015c5dece9eac4bf901 (patch) | |
| tree | 4dfcbb370592d94ffd6debd80daf513ebef9ac22 /README.md | |
| parent | 369b7bbc988c509d68d7d62a1c438f5a8caf3835 (diff) | |
| parent | 496e5aa066d33490492d71baf39d271114fd9d42 (diff) | |
| download | printf-d61d0146e6ce9bf13396a015c5dece9eac4bf901.tar.gz printf-d61d0146e6ce9bf13396a015c5dece9eac4bf901.tar.bz2 printf-d61d0146e6ce9bf13396a015c5dece9eac4bf901.zip | |
Merge exponential support
Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 5 |
1 files changed, 4 insertions, 1 deletions
@@ -28,7 +28,7 @@ Therefore I decided to write an own, final implementation which meets the follow - Support of decimal/floating number representation (with an own fast itoa/ftoa)
- Reentrant and thread-safe, malloc free, no static vars/buffers
- LINT and compiler L4 warning free, mature, coverity clean, automotive ready
- - Extensive test suite (> 370 test cases) passing
+ - Extensive test suite (> 390 test cases) passing
- Simply the best *printf* around the net
- MIT license
@@ -92,6 +92,8 @@ The following format specifiers are supported: | x | Unsigned hexadecimal integer (lowercase) |
| X | Unsigned hexadecimal integer (uppercase) |
| f or F | Decimal floating point |
+| e or E | Scientific-notation (exponential) floating point |
+| g or G | Scientific or decimal floating point |
| c | Single character |
| s | String of characters |
| p | Pointer address |
@@ -164,6 +166,7 @@ int length = sprintf(NULL, "Hello, world"); // length is set to 12 | PRINTF_NTOA_BUFFER_SIZE | 32 | ntoa (integer) conversion buffer size. This must be big enough to hold one converted numeric number _including_ leading zeros, normally 32 is a sufficient value. Created on the stack |
| PRINTF_FTOA_BUFFER_SIZE | 32 | ftoa (float) conversion buffer size. This must be big enough to hold one converted float number _including_ leading zeros, normally 32 is a sufficient value. Created on the stack |
| PRINTF_DISABLE_SUPPORT_FLOAT | undefined | Define this to disable floating point (%f) support |
+| PRINTF_DISABLE_SUPPORT_EXPONENTIAL | undefined | Define this to disable exponential floating point (%e) support |
| PRINTF_DISABLE_SUPPORT_LONG_LONG | undefined | Define this to disable long long (%ll) support |
| PRINTF_DISABLE_SUPPORT_PTRDIFF_T | undefined | Define this to disable ptrdiff_t (%t) support |
|