Merge pull request #151 from stan-dev/integrate-1d

Fix return value of integrate_1d to be real

Author: mitzimorris

src/functions-reference/higher-order_functions.Rmd

@@ -329,16 +329,16 @@ integrator separates parameter values, `theta`, from data values, `x_r`.
 
 ### Call to the 1D Integrator
 
-<!-- vector; integrate_1d; (function integrand, real a, real b, real[] theta, real[] x_r, int[] x_i); -->
-\index{{\tt \bfseries integrate\_1d }!{\tt (function integrand, real a, real b, real[] theta, real[] x\_r, int[] x\_i): vector}|hyperpage}
+<!-- real; integrate_1d; (function integrand, real a, real b, real[] theta, real[] x_r, int[] x_i); -->
+\index{{\tt \bfseries integrate\_1d }!{\tt (function integrand, real a, real b, real[] theta, real[] x\_r, int[] x\_i): real}|hyperpage}
 
-`vector` **`integrate_1d`** `(function integrand, real a, real b, real[] theta, real[] x_r, int[] x_i)`<br>\newline
+`real` **`integrate_1d`** `(function integrand, real a, real b, real[] theta, real[] x_r, int[] x_i)`<br>\newline
 Integrates the integrand from a to b.
 
-<!-- vector; integrate_1d; (function integrand, real a, real b, real[] theta, real[] x_r, int[] x_i), real relative_tolerance); -->
-\index{{\tt \bfseries integrate\_1d }!{\tt (function integrand, real a, real b, real[] theta, real[] x\_r, int[] x\_i, real relative\_tolerance): vector}|hyperpage}
+<!-- real; integrate_1d; (function integrand, real a, real b, real[] theta, real[] x_r, int[] x_i), real relative_tolerance); -->
+\index{{\tt \bfseries integrate\_1d }!{\tt (function integrand, real a, real b, real[] theta, real[] x\_r, int[] x\_i, real relative\_tolerance): real}|hyperpage}
 
-`vector` **`integrate_1d`** `(function integrand, real a, real b, real[] theta, real[] x_r, int[] x_i, real relative_tolerance)`<br>\newline
+`real` **`integrate_1d`** `(function integrand, real a, real b, real[] theta, real[] x_r, int[] x_i, real relative_tolerance)`<br>\newline
 Integrates the integrand from a to b with the given relative tolerance.