move code size benchmark to separate directory

morphisms/posint.morphism-base

@@ -0,0 +1,77 @@
+morph_posint_radix_le (SrcRadix:ℤ, DstRadix:ℤ)
+      ℕ
+    ~ <PosInt SrcRadix LittleEndian>
+    ~ <Seq~<LengthPrefix x86.UInt64> <Digit SrcRadix>~x86.UInt64>
+-->   ℕ
+    ~ <PosInt DstRadix LittleEndian>
+    ~ <Seq~<LenghtPrefix x86.UInt64> <Digit DstRadix>~x86.UInt64>
+```
+    uint64_t value = 0;
+
+    for( uint64_t i = 0; i < src->len; ++i ) {
+        value *= SrcRadix;
+        value += src->items[src->len - i - 1];
+    }
+
+    length_prefix_uint64_array_clear( dst );
+
+    while( value > 0 ) {
+        length_prefix_uint64_array_push( dst, value % DstRadix );
+        value /= DstRadix;
+    }
+
+    return 0;
+```
+
+morph_posint_radix_be (SrcRadix:ℤ, DstRadix:ℤ)
+      ℕ
+    ~ <PosInt SrcRadix BigEndian>
+    ~ <Seq~<LengthPrefix x86.UInt64> <Digit SrcRadix>~x86.UInt64>
+-->   ℕ
+    ~ <PosInt DstRadix BigEndian>
+    ~ <Seq~<LengthPrefix x86.UInt64> <Digit DstRadix>~x86.UInt64>
+```
+    uint64_t value = 0;
+
+    for( uint64_t i = 0; i < src->len; ++i ) {
+        value *= SrcRadix;
+        value += src->items[i];
+    }
+
+    uint64_t v = value;
+    dst->len = 0;
+    while( v ) {
+        dst->len++;
+        v /= DstRadix;
+    }
+
+    uint64_t i = dst->len;
+    while( value > 0 ) {
+        dst->items[--i] = ( dst, value % DstRadix );
+        value /= DstRadix;
+    }
+
+    return 0;
+```
+
+morph_posint_endianness (Radix:ℤ)
+      ℕ
+    ~ <PosInt Radix LittleEndian>
+    ~ <Seq~<LengthPrefix x86.UInt64> <Digit Radix> ~ x86.UInt64>
+-->   ℕ
+    ~ <PosInt Radix BigEndian>
+    ~ <Seq~<LengthPrefix x86.UInt64> <Digit Radix> ~ x86.UInt64>
+```
+    return length_prefix_uint64_array_reverse( src, dst );
+```
+
+morph_posint_endianness (Radix:ℤ)
+      ℕ
+    ~ <PosInt Radix BigEndian>
+    ~ <Seq~<LengthPrefix x86.UInt64> <Digit Radix> ~ x86.UInt64>
+-->   ℕ
+    ~ <PosInt Radix LittleEndian>
+    ~ <Seq~<LengthPrefix x86.UInt64> <Digit Radix> ~ x86.UInt64>
+```
+    return length_prefix_uint64_array_reverse( src, dst );
+```