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require 'narray'
include NMath
def pr x
x.each{|i|
if i.kind_of?(Complex)
printf("%.3f%+.3fi ",i.real,i.image)
else
printf("%.3f ",i)
end
}
print "\n"
end
def testmath(x)
print "x = "
pr x
print "sqrt(x) = "
pr sqrt(x)
print "sin(x) = "
pr sin(x)
print "cos(x) = "
pr cos(x)
print "tan(x) = "
pr tan(x)
print "sinh(x) = "
pr sinh(x)
print "cosh(x) = "
pr cosh(x)
print "tanh(x) = "
pr tanh(x)
print "exp(x) = "
pr exp(x)
print "log(x) = "
pr log(x)
print "log10(x) = "
pr log10(x)
print "atan(x) = "
pr atan(x)
print "atan(tan(x)) = "
pr atan(tan(x))
end
testmath NArray.sfloat(6).indgen.div!(2)
testmath NArray.float(6).indgen.div!(2)
testmath NArray.scomplex(6).indgen.div!(2)-2 - 1.im
testmath NArray.complex(6).indgen!/5-0.5# - 0.3.im
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