norm_trunc: Truncated normal distribution.
In kuperov/bdist: Extra distributions for Bayesian analysis

Density, distribution function, quantile function, and random generation for the normal distribution truncated at (lower, upper).

rnorm_trunc(n, mean, sd, lower, upper)

dnorm_trunc(x, lower = -Inf, upper = Inf, mean = 0, sd = 1, log = F)

pnorm_trunc(q, mean, sd, lower, upper)

qnorm_trunc(p, mean, sd, lower, upper)

`n`	number of variates to generate
`mean`	underlying distribution mean
`sd`	underlying distribution sd
`lower`	lower truncation bound
`upper`	upper truncation bound
`x`	vector of quantiles
`log`	return logarithm
`q`	vector of quantiles
`p`	vector of probabilities