On Sat, 21 Dec 2013 00:18:33 -0800, Dan Stromberg wrote:
> C++ should use automated tests too, but is often used without because
> the compilers make it almost reasonable to do without.
For some definition of "reasonable" that I haven't come across before.
I'd like to see the compiler that can determine which of the following
pseudo-code functions is buggy:
# Given the length of the shadow cast when the sun is at
# angle degrees measured from the horizontal, return the
# height of the thing casting the shadow.
def calculate_height(length:float, angle:float):float;
if not 0.0 <= angle < 90.0:
Error, "angle out of range"
if not length >= 0.0:
Error, "length cannot be negative"
return length*sin(degrees_to_radian(angle))
def calculate_height(length:float, angle:float):float;
if not 0.0 <= angle < 90.0:
error("angle out of range")
if not length >= 0.0:
error("length cannot be negative")
return length*tan(degrees_to_radian(angle))
--
Steven
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