+static inline char *format_value_with_precision_and_unit(char *value_string, size_t value_string_len, calculated_number value, const char *units, int precision) {
+ if(unlikely(isnan(value) || isinf(value)))
+ value = 0.0;
+
+ char *separator = "";
+ if(unlikely(isalnum(*units)))
+ separator = " ";
+
+ if(precision < 0) {
+ int len, lstop = 0, trim_zeros = 1;
+
+ calculated_number abs = value;
+ if(isless(value, 0)) {
+ lstop = 1;
+ abs = -value;
+ }
+
+ if(isgreaterequal(abs, 1000)) {
+ len = snprintfz(value_string, value_string_len, "%0.0Lf", (long double) value);
+ trim_zeros = 0;
+ }
+ else if(isgreaterequal(abs, 100)) len = snprintfz(value_string, value_string_len, "%0.1Lf", (long double) value);
+ else if(isgreaterequal(abs, 1)) len = snprintfz(value_string, value_string_len, "%0.2Lf", (long double) value);
+ else if(isgreaterequal(abs, 0.1)) len = snprintfz(value_string, value_string_len, "%0.3Lf", (long double) value);
+ else len = snprintfz(value_string, value_string_len, "%0.4Lf", (long double) value);
+
+ if(unlikely(trim_zeros)) {
+ int l;
+ // remove trailing zeros from the decimal part
+ for(l = len - 1; l > lstop; l--) {
+ if(likely(value_string[l] == '0')) {
+ value_string[l] = '\0';
+ len--;
+ }
+
+ else if(unlikely(value_string[l] == '.')) {
+ value_string[l] = '\0';
+ len--;
+ break;
+ }
+
+ else
+ break;
+ }
+ }
+
+ if(unlikely(len <= 0)) len = 1;
+ snprintfz(&value_string[len], value_string_len - len, "%s%s", separator, units);
+ }
+ else {
+ if(precision > 50) precision = 50;
+ snprintfz(value_string, value_string_len, "%0.*Lf%s%s", precision, (long double) value, separator, units);
+ }
+
+ return value_string;
+}
+
+inline char *format_value_and_unit(char *value_string, size_t value_string_len, calculated_number value, const char *units, int precision) {