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bugfix: floating point precision; added strutils.formatFloat

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Araq 2011-01-09 14:52:15 +01:00
commit 064417fc5a
13 changed files with 156 additions and 56 deletions
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lib/pure/math.nim
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@ -1,7 +1,7 @@
#
#
# Nimrod's Runtime Library
# (c) Copyright 2010 Andreas Rumpf
# (c) Copyright 2011 Andreas Rumpf
#
# See the file "copying.txt", included in this
# distribution, for details about the copyright.
@ -24,6 +24,17 @@ const
PI* = 3.1415926535897932384626433 ## the circle constant PI (Ludolph's number)
E* = 2.71828182845904523536028747 ## Euler's number
MaxFloat64Precision* = 16 ## maximum number of meaningful digits
## after the decimal point for Nimrod's
## ``float64`` type.
MaxFloat32Precision* = 8 ## maximum number of meaningful digits
## after the decimal point for Nimrod's
## ``float32`` type.
MaxFloatPrecision* = MaxFloat64Precision ## maximum number of
## meaningful digits
## after the decimal point
## for Nimrod's ``float`` type.
type
TFloatClass* = enum ## describes the class a floating point value belongs to.
## This is the type that is returned by `classify`.