Air mass: Difference between revisions

→‎{{header|Wren}}: Updated to use new core library methods.
m (more decimal places)
(→‎{{header|Wren}}: Updated to use new core library methods.)
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// The density of air as a function of height above sea level.
var rho = Fn.new { |a| Math.exp(-a/8500).exp }
 
// a = altitude of observer
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var d = 0
while (d < FIN) {
var delta = MathDD.max(DD, DD * d) // adaptive step size to avoid it taking forever
sum = sum + rho.call(height.call(a, z, d + 0.5 * delta)) * delta
d = d + delta
9,476

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