def test_unary_minus_sin():
"""http://code.pediapress.com/wiki/ticket/450"""
val = expr.expr("-sin(1.5707963267948966)")
print val
assert math.fabs(-1 - val) < 0.0001
val = expr.expr("-sin ((90--82)*3.14159265358979/180)*(90+-80.0833333)*1.55*1.30522+49.3")
print val
assert math.fabs(46.507864831337 - val) < 0.0001
def test_unary_minus_sin():
"""http://code.pediapress.com/wiki/ticket/450"""
val = expr.expr("-sin(1.5707963267948966)")
print val
assert math.fabs(-1 - val) < 0.0001
val = expr.expr(
"-sin ((90--82)*3.14159265358979/180)*(90+-80.0833333)*1.55*1.30522+49.3"
)
print val
assert math.fabs(46.507864831337 - val) < 0.0001
def EXPR(self, rl):
import math
if rl:
try:
ex = rl[0].strip()
if not ex:
return u""
val = expr.expr(ex)
if int(val) == val and math.fabs(val) < 1e14:
return str(int(val))
r = str(float(val))
except Exception, err:
# log("ERROR: error while evaluating #expr:%r\n" % (ex,))
return self._error(err)
if "e" in r:
f, i = r.split("e")
i = int(i)
if i < 0:
sign = ""
else:
sign = "+"
fixed = str(float(f)) + "E" + sign + str(int(i))
return fixed
return r
def EXPR(self, rl):
import math
if rl:
try:
ex = rl[0].strip()
if not ex:
return u""
val = expr.expr(ex)
if int(val) == val and math.fabs(val) < 1e14:
return str(int(val))
r = str(float(val))
except Exception, err:
# log("ERROR: error while evaluating #expr:%r\n" % (ex,))
return self._error(err)
if "e" in r:
f, i = r.split("e")
i = int(i)
if i < 0:
sign = ''
else:
sign = '+'
fixed = str(float(f)) + "E" + sign + str(int(i))
return fixed
return r
def IFEXPR(self, rl):
try:
ex = rl[0].strip()
if ex:
r = expr.expr(rl[0])
else:
r = False
except Exception, err:
# log("ERROR: error while evaluating #ifexpr:%r\n" % (rl[0],))
return self._error(err)
def IFEXPR(self, rl):
try:
ex = rl[0].strip()
if ex:
r = expr.expr(rl[0])
else:
r = False
except Exception, err:
# log("ERROR: error while evaluating #ifexpr:%r\n" % (rl[0],))
return self._error(err)
def EXPR(self, rl):
if rl:
try:
r=str(expr.expr(rl[0]))
except Exception, err:
return self._error(err)
if "e" in r:
f,i = r.split("e")
i=int(i)
if i<0:
sign = ''
else:
sign = '+'
fixed=str(float(f))+"E"+sign+str(int(i))
return fixed
return r
def EXPR(self, rl):
if rl:
try:
r = str(expr.expr(rl[0]))
except Exception, err:
return self._error(err)
if "e" in r:
f, i = r.split("e")
i = int(i)
if i < 0:
sign = ''
else:
sign = '+'
fixed = str(float(f)) + "E" + sign + str(int(i))
return fixed
return r
#! /usr/bin/env python
import sys
import time
from mwlib import expr
e = []
for x in sys.stdin:
e.append(eval(x))
print "have %s expressions" % len(e)
stime = time.time()
for x in e:
expr.expr(u"1+2")
print "needed", time.time() - stime
def IFEXPR(self, rl):
try:
r = expr.expr(rl[0])
except Exception, err:
return self._error(err)
def IFEXPR(self, rl):
try:
r = expr.expr(rl[0])
except Exception, err:
return self._error(err)