| 79 | |
| 80 | |
| 81 | char *sigFig(int fig, char *string, double value) |
| 82 | { |
| 83 | char format[80]; |
| 84 | double _l = (value == 0.0) ? 0.0 : log10(fabs(value)); int l; |
| 85 | if(_l < 0.) |
| 86 | { |
| 87 | l = (int)fabs(floor(_l)); |
| 88 | snprintf(format, 79, "%%%d.%df", fig + l + 1, fig + l - 1); |
| 89 | } |
| 90 | else |
| 91 | { |
| 92 | l = (int)_l + 1; |
| 93 | if(fig <= l) snprintf(format, 79, "%%.0f"); |
| 94 | else snprintf(format, 79, "%%%d.%df", fig + 1, fig - l); |
| 95 | } |
| 96 | snprintf(string, STRLEN - 1, format, value); |
| 97 | return string; |
| 98 | } |
| 99 | |
| 100 | |
| 101 | extern "C" { |