From dd19b876d4c9a604946f6c4e39cc4eac5f12cfb9 Mon Sep 17 00:00:00 2001 From: Thomas Van Lenten Date: Fri, 16 Jun 2017 12:30:08 -0400 Subject: Raise the number of digits used for floats. About 1.5% of all IEEE754 single-precision numbers require nine decimal digits to represent accurately. --- src/google/protobuf/stubs/strutil.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/google') diff --git a/src/google/protobuf/stubs/strutil.cc b/src/google/protobuf/stubs/strutil.cc index 336894b5..1a4d71c8 100644 --- a/src/google/protobuf/stubs/strutil.cc +++ b/src/google/protobuf/stubs/strutil.cc @@ -1401,7 +1401,7 @@ char* FloatToBuffer(float value, char* buffer) { float parsed_value; if (!safe_strtof(buffer, &parsed_value) || parsed_value != value) { int snprintf_result = - snprintf(buffer, kFloatToBufferSize, "%.*g", FLT_DIG+2, value); + snprintf(buffer, kFloatToBufferSize, "%.*g", FLT_DIG+3, value); // Should never overflow; see above. GOOGLE_DCHECK(snprintf_result > 0 && snprintf_result < kFloatToBufferSize); -- cgit v1.2.3