Air mass: Difference between revisions
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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. |
// The density of air as a function of height above sea level. |
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var rho = Fn.new { |a| |
var rho = Fn.new { |a| (-a/8500).exp } |
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// a = altitude of observer |
// a = altitude of observer |
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var d = 0 |
var d = 0 |
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while (d < FIN) { |
while (d < FIN) { |
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var delta = |
var delta = DD.max(DD * d) // adaptive step size to avoid it taking forever |
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sum = sum + rho.call(height.call(a, z, d + 0.5 * delta)) * delta |
sum = sum + rho.call(height.call(a, z, d + 0.5 * delta)) * delta |
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d = d + delta |
d = d + delta |
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