Ejemplos de calculated_number_fabs en C++ (Cpp)

Ejemplo n.º 1

Archivo: min.c Proyecto: FedericoCeratto/netdata

void grouping_add_min(RRDR *r, calculated_number value) {
    if(!isnan(value)) {
        struct grouping_min *g = (struct grouping_min *)r->internal.grouping_data;

        if(!g->count || calculated_number_fabs(value) < calculated_number_fabs(g->min)) {
            g->min = value;
            g->count++;
        }
    }
}

Ejemplo n.º 2

Archivo: web_buffer_svg.c Proyecto: leirenzhichui/netdata

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 = calculated_number_fabs(value);
        }

        if(isgreaterequal(abs, 1000)) {
            len = snprintfz(value_string, value_string_len, "%0.0" LONG_DOUBLE_MODIFIER, (LONG_DOUBLE) value);
            trim_zeros = 0;
        }
        else if(isgreaterequal(abs, 10))     len = snprintfz(value_string, value_string_len, "%0.1" LONG_DOUBLE_MODIFIER, (LONG_DOUBLE) value);
        else if(isgreaterequal(abs, 1))      len = snprintfz(value_string, value_string_len, "%0.2" LONG_DOUBLE_MODIFIER, (LONG_DOUBLE) value);
        else if(isgreaterequal(abs, 0.1))    len = snprintfz(value_string, value_string_len, "%0.2" LONG_DOUBLE_MODIFIER, (LONG_DOUBLE) value);
        else if(isgreaterequal(abs, 0.01))   len = snprintfz(value_string, value_string_len, "%0.4" LONG_DOUBLE_MODIFIER, (LONG_DOUBLE) value);
        else if(isgreaterequal(abs, 0.001))  len = snprintfz(value_string, value_string_len, "%0.5" LONG_DOUBLE_MODIFIER, (LONG_DOUBLE) value);
        else if(isgreaterequal(abs, 0.0001)) len = snprintfz(value_string, value_string_len, "%0.6" LONG_DOUBLE_MODIFIER, (LONG_DOUBLE) value);
        else                                 len = snprintfz(value_string, value_string_len, "%0.7" LONG_DOUBLE_MODIFIER, (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.*" LONG_DOUBLE_MODIFIER "%s%s", precision, (LONG_DOUBLE) value, separator, units);
    }

    return value_string;
}