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-rw-r--r--py/modmath.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/py/modmath.c b/py/modmath.c
index 38ed390ddf..46423d2b5c 100644
--- a/py/modmath.c
+++ b/py/modmath.c
@@ -120,6 +120,7 @@ MATH_FUN_1_TO_BOOL(isnan, isnan)
MATH_FUN_1_TO_INT(trunc, trunc)
/// \function ldexp(x, exp)
MATH_FUN_2(ldexp, ldexp)
+#if MICROPY_PY_MATH_SPECIAL_FUNCTIONS
/// \function erf(x)
/// Return the error function of `x`.
MATH_FUN_1(erf, erf)
@@ -132,6 +133,7 @@ MATH_FUN_1(gamma, tgamma)
/// \function lgamma(x)
/// return the natural logarithm of the gamma function of `x`.
MATH_FUN_1(lgamma, lgamma)
+#endif
//TODO: factorial, fsum
// Functions that return a tuple
@@ -211,10 +213,12 @@ STATIC const mp_map_elem_t mp_module_math_globals_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR_trunc), (mp_obj_t)&mp_math_trunc_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_radians), (mp_obj_t)&mp_math_radians_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_degrees), (mp_obj_t)&mp_math_degrees_obj },
+ #if MICROPY_PY_MATH_SPECIAL_FUNCTIONS
{ MP_OBJ_NEW_QSTR(MP_QSTR_erf), (mp_obj_t)&mp_math_erf_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_erfc), (mp_obj_t)&mp_math_erfc_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_gamma), (mp_obj_t)&mp_math_gamma_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_lgamma), (mp_obj_t)&mp_math_lgamma_obj },
+ #endif
};
STATIC MP_DEFINE_CONST_DICT(mp_module_math_globals, mp_module_math_globals_table);