fix few compilation bugs

Author: 9il

source/mir/functional.d

@@ -300,6 +300,7 @@ template naryFun(alias fun)
 {
     static if (is(typeof(fun) : string))
     {
+        import mir.math.common;
         /// Specialization for string lambdas
         @optmath auto ref naryFun(Args...)(auto ref Args args)
             if (args.length <= 26)

source/mir/interpolate/constant.d

@@ -38,7 +38,7 @@ version(mir_test)
 
 
 import std.traits;
-import std.meta: AliasSeq;
+import std.meta: AliasSeq, staticMap;
 import mir.array.primitives;
 import mir.ndslice.slice;
 import mir.internal.utility;

source/mir/interpolate/linear.d

@@ -40,7 +40,7 @@ unittest
 }
 
 import std.traits;
-import std.meta: AliasSeq;
+import std.meta: AliasSeq, staticMap;
 import mir.array.primitives;
 import mir.ndslice.slice;
 import mir.math.common: optmath;
@@ -326,7 +326,7 @@ struct LinearKernel(uint derivative, X)
         static if (derivative)
         {
             auto diff = y1 - y0;
-            typeof(y)[derivative + 1] ret = 0;
+            Y[derivative + 1] ret = 0;
             ret[0] = y;
             ret[1] = diff / step;
             return ret;

source/mir/interpolate/spline.d

@@ -795,7 +795,7 @@ struct SplineKernel(uint derivative, X)
         auto y = pl + wq * pr;
         static if (derivative)
         {
-            typeof(y)[derivative + 1] ret = 0;
+            Y[derivative + 1] ret = 0;
             ret[0] = y;
             auto wd = w1 - w0;
             auto zd = z1 + z0;

source/mir/math/common.d

@@ -13,6 +13,8 @@ version(LDC)
 {
     static import ldc.attributes;
 
+    import std.meta: AliasSeq;
+
     /++
     Functions attribute, an alias for `AliasSeq!(llvmFastMathFlag("contract"));`.