Port, board and/or hardware

nrf port, nrf52 board

MicroPython version

mpy latest, nrf52 board

The build process has failed with a compiler configuration issue if support for double is configured.

Build error report:

CC ../../py/formatfloat.c
../../py/formatfloat.c: In function 'mp_format_float':
../../py/formatfloat.c:92:26: error: implicit conversion from 'float' to 'double' to match other operand of binary expression [-Werror=double-promotion]
92 | #define fp_isless1(x) (x < 1.0)
| ^
../../py/formatfloat.c:183:16: note: in expansion of macro 'fp_isless1'
183 | } else if (fp_isless1(f)) {
| ^~~~~~~~~~
../../py/formatfloat.c:336:15: error: implicit conversion from 'float' to 'double' to match other operand of binary expression [-Werror=double-promotion]
336 | f *= FPCONST(10.0);
| ^~
cc1: all warnings being treated as errors

Reproduction

mpconfigport.h

#if NRF51
#define MICROPY_FLOAT_IMPL (MICROPY_FLOAT_IMPL_NONE)
#else
#define MICROPY_FLOAT_IMPL (MICROPY_FLOAT_IMPL_DOUBLE)
#endif

Expected behaviour

No response

Observed behaviour

Related build error report.

Additional Information

No, I've provided everything above.

Code of Conduct

Yes, I agree