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gui: cleanup compact_exponential, 15 digits

This commit is contained in:
Robert Jördens 2016-08-11 14:18:27 +02:00
parent 586f071756
commit 1c8202e207
1 changed files with 9 additions and 7 deletions
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16
artiq/gui/ticker.py
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@ -96,13 +96,15 @@ class Ticker:
"""
# this is after the matplotlib ScalarFormatter
# without any i18n
significand, exponent = "{:1.10e}".format(v).split("e")
significand = significand.rstrip("0").rstrip(".")
exponent_sign = exponent[0].replace("+", "")
v = "{:.15e}".format(v)
if "e" not in v:
return v # short number, inf, NaN, -inf
mantissa, exponent = v.split("e")
mantissa = mantissa.rstrip("0").rstrip(".")
exponent_sign = exponent[0].lstrip("+")
exponent = exponent[1:].lstrip("0")
s = "{:s}e{:s}{:s}".format(significand, exponent_sign,
exponent).rstrip("e")
return self.fix_minus(s)
return "{:s}e{:s}{:s}".format(mantissa, exponent_sign,
exponent).rstrip("e")
def prefix(self, offset, magnitude):
"""
@ -115,7 +117,7 @@ class Ticker:
prefix += self.compact_exponential(offset) + " + "
if magnitude != 1.:
prefix += self.compact_exponential(magnitude) + " × "
return prefix
return self.fix_minus(prefix)
def __call__(self, a, b):
"""