From 8db5724b774001373836c5dc5d09b455071be8f3 Mon Sep 17 00:00:00 2001 From: MichaelDvP Date: Wed, 18 Jan 2023 08:52:38 +0100 Subject: [PATCH] fix rounding of web number-inputs --- src/helpers.cpp | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/src/helpers.cpp b/src/helpers.cpp index f027df312..f9f3dfc9b 100644 --- a/src/helpers.cpp +++ b/src/helpers.cpp @@ -249,10 +249,11 @@ char * Helpers::render_value(char * result, const double value, const int8_t for return nullptr; } - uint32_t p[] = {0, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000}; + uint32_t p[] = {1, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000}; char * ret = result; - auto whole = (int32_t)value; + double v = value < 0 ? value - 1.0 / (2 * p[format]) : value + 1.0 / (2 * p[format]); + auto whole = (int32_t)v; itoa(whole, result, 10); @@ -261,7 +262,7 @@ char * Helpers::render_value(char * result, const double value, const int8_t for } *result++ = '.'; - auto decimal = abs((int32_t)((value - whole) * p[format])); + auto decimal = abs((int32_t)((v - whole) * p[format])); for (int8_t i = 1; i < format; i++) { if (decimal < p[i]) { *result++ = '0'; // add leading zeros