add gcd and prime factors

src/meson.build

@@ -0,0 +1,24 @@
+inc += include_directories('.')
+
+headers = [ 
+  'numbers/gcd.hpp',
+  'numbers/prime_factors.hpp'
+]
+
+sources = [ 
+]
+
+lib = library(
+  meson.project_name(), 
+  include_directories : inc,
+  sources: [headers, sources],
+  dependencies : deps,
+  cpp_args: args
+)
+
+dsp_sdk_dep = declare_dependency(
+  include_directories: inc, 
+  link_with: lib 
+)
+
+deps += dsp_sdk_dep