add doc links

Author: nshaffer

doc/specs/stdlib_experimental_quadrature.md

@@ -93,9 +93,9 @@ Simpson's ordinary ("1/3") rule is used for odd-length arrays. For even-length a
 
 ### Syntax
 
-`result = simps(y, x [, even])`
+`result = [[stdlib_experimental_quadrature(module):simps(interface)]](y, x [, even])`
 
-`result = simps(y, dx [, even])`
+`result = [[stdlib_experimental_quadrature(module):simps(interface)]](y, dx [, even])`
 
 ### Arguments
 
@@ -140,7 +140,7 @@ Simpson's ordinary ("1/3") rule is used for odd-length arrays. For even-length a
 
 ### Syntax
 
-`result = simps_weights(x [, even])`
+`result = [[stdlib_experimental_quadrature(module):simps_weights(interface)]](x [, even])`
 
 ### Arguments
 

src/stdlib_experimental_quadrature.fypp

@@ -47,6 +47,8 @@ module stdlib_experimental_quadrature
 
 
     interface simps
+        !! Integrates sampled values using Simpson's rule
+        !! ([Specification](../page/specs/stdlib_experimental_quadrature.html#description_3))
         ! "recursive" is an implementation detail
         #:for k1, t1 in REAL_KINDS_TYPES
         pure recursive module function simps_dx_${k1}$(y, dx, even) result(integral)
@@ -68,6 +70,8 @@ module stdlib_experimental_quadrature
 
 
     interface simps_weights
+        !! Integrates sampled values using trapezoidal rule weights for given abscissas
+        !! ([Specification](../page/specs/stdlib_experimental_quadrature.html#description_3))
         #:for k1, t1 in REAL_KINDS_TYPES
         pure recursive module function simps_weights_${k1}$(x, even) result(w)
             ${t1}$, dimension(:), intent(in) :: x