code>(reals y | reals mu, reals sigma)</code><br>The log of the double exponential complementary cumulative distribution function of y given location mu and scale sigma</p>
<!-- R; double_exponential_rng; (reals mu, reals sigma); -->

<p><code>R</code> <strong><code>double_exponential_rng</code></strong><code>(reals mu, reals sigma)</code><br>Generate a double exponential variate with location mu and scale sigma; may only be used in transformed data and generated quantities blocks. For a description of argu