| import math | |
| INF = float("inf") | |
| MINUS_INF = float("-inf") | |
| NaN = float("NaN") | |
| def floatToGoString(d): | |
| d = float(d) | |
| if d == INF: | |
| return '+Inf' | |
| elif d == MINUS_INF: | |
| return '-Inf' | |
| elif math.isnan(d): | |
| return 'NaN' | |
| else: | |
| s = repr(d) | |
| dot = s.find('.') | |
| # Go switches to exponents sooner than Python. | |
| # We only need to care about positive values for le/quantile. | |
| if d > 0 and dot > 6: | |
| mantissa = f'{s[0]}.{s[1:dot]}{s[dot + 1:]}'.rstrip('0.') | |
| return f'{mantissa}e+0{dot - 1}' | |
| return s | |