Expand examples to show polymorphism
diff --git a/Doc/lib/libdecimal.tex b/Doc/lib/libdecimal.tex
index 2e68794..08c9b9e 100644
--- a/Doc/lib/libdecimal.tex
+++ b/Doc/lib/libdecimal.tex
@@ -935,7 +935,7 @@
3.141592653589793238462643383279502887
"""
getcontext().prec += 9 # extra digits for intermediate steps
- three = Decimal(3) # substitute "three=3.0" for regular floats
+ three = Decimal(3) # substitute "three=3.0" for regular floats
lastc, t, c, n, na, d, da = 0, three, 3, 1, 0, 0, 24
while c != lastc:
lastc = c
@@ -947,12 +947,16 @@
return c
def exp(x):
- """Return e raised to the power of x.
+ """Return e raised to the power of x. Result type matches input type.
>>> print exp(Decimal(1))
2.718281828459045235360287471352662498
>>> print exp(Decimal(2))
7.389056098930650227230427460575007813
+ >>> print exp(2.0)
+ 7.38905609893
+ >>> print exp(2+0j)
+ (7.38905609893+0j)
"""
getcontext().prec += 9 # extra digits for intermediate steps
i, laste, e, fact, num = 0, 0, 1, 1, 1
@@ -970,6 +974,10 @@
>>> print cos(Decimal('0.5'))
0.8775825618903727161162815826038296521
+ >>> print cos(0.5)
+ 0.87758256189
+ >>> print cos(0.5+0j)
+ (0.87758256189+0j)
"""
getcontext().prec += 9 # extra digits for intermediate steps
i, laste, e, fact, num, sign = 0, 0, 1, 1, 1, 1
@@ -988,6 +996,10 @@
>>> print sin(Decimal('0.5'))
0.4794255386042030002732879352155713880
+ >>> print sin(0.5)
+ 0.479425538604
+ >>> print sin(0.5+0j)
+ (0.479425538604+0j)
"""
getcontext().prec += 9 # extra digits for intermediate steps
i, laste, e, fact, num, sign = 1, 0, x, 1, x, 1