6.6.3 DBL_MANT_DIG Macro
Number of base-FLT_RADIX digits in a double precision
floating-point significand.
Attention: The default size of the MPLAB XC16
and XC-DSC
double type is 32 bits, but this can be changed to 64 bits
with the -fno-short-double option.Include
<float.h>
Definition
| Compiler | Definition |
|---|---|
| MPLAB XC8 | 24 |
| MPLAB XC16 and XC-DSC | 24/53 (See attention note) |
| MPLAB XC32 | 53 |