Tweak the length(0) change

After carefully reading the standard (which just says "significant digits") and the definition of significant digits, I believe that 0 with no digits after the decimal point would have 0 significant digits.
gavinhoward · Feb 26, 2021 · 986ff37 · 986ff37
1 parent 78ecfcf
commit 986ff37
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diff --git a/src/num.c b/src/num.c
@@ -2138,7 +2138,7 @@ size_t bc_num_len(const BcNum *restrict n) {
 
 	size_t len = n->len;
 
-	if (BC_NUM_ZERO(n)) return n->scale ? n->scale : 1;
+	if (BC_NUM_ZERO(n)) return n->scale;
 
 	if (BC_NUM_RDX_VAL(n) == len) {
 

diff --git a/tests/bc/length_results.txt b/tests/bc/length_results.txt
@@ -1,4 +1,4 @@
-1
+0
 4
 8
 11