From 7a72c0db5a6c2b1f0978516134a95bb6867706ef Mon Sep 17 00:00:00 2001
From: Damien George
Date: Wed, 19 Apr 2017 18:46:53 +1000
Subject: py: Reduce str/repr precision of float numbers when floats are
 30-bit.

With 30-bit floats there aren't enough bits to faithfully print 7 decimal
digits, so reduce the precision to 6 digits.
---
 py/objfloat.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'py/objfloat.c')

diff --git a/py/objfloat.c b/py/objfloat.c
index 5cf995417..d0e616612 100644
--- a/py/objfloat.c
+++ b/py/objfloat.c
@@ -113,7 +113,11 @@ STATIC void float_print(const mp_print_t *print, mp_obj_t o_in, mp_print_kind_t
     mp_float_t o_val = mp_obj_float_get(o_in);
 #if MICROPY_FLOAT_IMPL == MICROPY_FLOAT_IMPL_FLOAT
     char buf[16];
+    #if MICROPY_OBJ_REPR == MICROPY_OBJ_REPR_C
+    const int precision = 6;
+    #else
     const int precision = 7;
+    #endif
 #else
     char buf[32];
     const int precision = 16;
-- 
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