diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..01c4107
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,42 @@
+project("Interflop_stdlib")
+
+# fmaqApprox.c was removed because of quad implementation depending on compiler runtime.
+# PinCRT doesn't support this part of GCC C library
+# usage of fmaq for single and double precision was replaced by fmal (lib math)
+set (INTERFLOP_STDLIB_C_SRC
+    # FMA
+    "fma/fmaqApproxM.c"
+    # # HASHMAP
+    "hashmap/vfc_hashmap.c"
+    # # IOSTREAM
+    "iostream/logger.c"
+    # PRNG
+    "prng/tinymt64.c"
+    # # RNG
+    "rng/splitmix64.c"
+    "rng/vfc_rng.c"
+    "rng/xoroshiro128.c"
+    "interflop_stdlib.c"
+)
+
+set (INTERFLOP_STDLIB_CXX_SRC
+    # FMA
+    "fma/interflop_fma.cxx"
+    # PRNG
+    "prng/xoshiro.cxx"
+)
+
+add_library(interflop_stdlib_c OBJECT ${INTERFLOP_STDLIB_C_SRC})
+target_compile_definitions(interflop_stdlib_c PRIVATE ${CRT_COMPILE_DEFINITIONS})
+target_compile_options (interflop_stdlib_c PRIVATE ${CRT_PREPROCESS_OPTIONS} ${CRT_COMPILE_OPTIONS})
+
+
+add_library(interflop_stdlib_cxx OBJECT ${INTERFLOP_STDLIB_CXX_SRC})
+target_compile_definitions(interflop_stdlib_cxx PRIVATE  ${CRT_COMPILE_DEFINITIONS})
+target_compile_options (interflop_stdlib_cxx PRIVATE ${CRT_PREPROCESS_OPTIONS} ${CRT_COMPILE_OPTIONS} ${CRT_CXX_COMPILE_OPTIONS})
+
+
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${OUTPUT_DIRECTORY})
+add_library (interflop_stdlib SHARED $<TARGET_OBJECTS:interflop_stdlib_c>  $<TARGET_OBJECTS:interflop_stdlib_cxx>)
+target_link_options (interflop_stdlib PRIVATE ${CRT_LINK_OPTIONS})
+target_link_libraries (interflop_stdlib ${CRT_LINK_LIBRARIES})
diff --git a/fma/fmaqApproxM.c b/fma/fmaqApproxM.c
new file mode 100644
index 0000000..f9b4180
--- /dev/null
+++ b/fma/fmaqApproxM.c
@@ -0,0 +1,24 @@
+#include <math.h>
+#include "fmaqApproxM.h"
+
+__float128 fmaqApprox(__float128 x, __float128 y, __float128 z) {
+  return fmal(x, y, z);
+}
+
+double fmadApprox(double x, double y, double z) {
+  long double x128 = (long double) x;
+  long double y128 = (long double) y;
+  long double z128 = (long double) z;
+
+  long double res =  fmal(x128, y128, z128);
+  return (double)res;
+}
+
+float fmafApprox(float x, float y, float z) {
+  long double x128 = (long double) x;
+  long double y128 = (long double) y;
+  long double z128 = (long double) z;
+
+  long double res =  (long double)fmal (x128, y128, z128);
+  return (float)res;
+}
diff --git a/fma/fmaqApproxM.h b/fma/fmaqApproxM.h
new file mode 100644
index 0000000..d28ffc5
--- /dev/null
+++ b/fma/fmaqApproxM.h
@@ -0,0 +1,17 @@
+#pragma once
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+#define __float128 long double
+
+__float128 fmaqApprox(__float128 x, __float128 y, __float128 z);
+
+double fmadApprox(double x, double y, double z);
+
+float fmafApprox(float x, float y, float z);
+
+#if defined(__cplusplus)
+}
+#endif
diff --git a/fma/interflop_fma.cxx b/fma/interflop_fma.cxx
index 63224b2..87305ad 100644
--- a/fma/interflop_fma.cxx
+++ b/fma/interflop_fma.cxx
@@ -1,5 +1,9 @@
 #include "interflop_fma.h"
+#ifdef PIN_CRT
+#include "fmaqApproxM.h"
+#else
 #include "fmaqApprox.h"
+#endif
 
 #if HAVE_FMA_INTRINSIC
 #include "vr_fma.hxx"
diff --git a/interflop.h b/interflop.h
index 2a364bf..52fb92c 100644
--- a/interflop.h
+++ b/interflop.h
@@ -8,6 +8,7 @@ extern "C" {
 #endif
 
 #include "interflop/interflop_stdlib.h"
+#include "interflop/interflop_vinterface.h"
 
 /* interflop backend interface */
 
@@ -115,6 +116,9 @@ struct interflop_backend_interface_t {
   /* interflop_finalize: called at the end of the instrumented program
    * execution */
   void (*interflop_finalize)(void *context);
+
+  int enabled_vbackend;
+  struct interflop_backend_vector_interface_t vbackend;
 };
 
 /**
diff --git a/interflop_vinterface.h b/interflop_vinterface.h
new file mode 100644
index 0000000..845052c
--- /dev/null
+++ b/interflop_vinterface.h
@@ -0,0 +1,33 @@
+#ifndef __INTERFLOP_VINTERFACE_H__
+#define __INTERFLOP_VINTERFACE_H__
+
+struct interflop_vector_op_interface_t
+{
+  void (*op_vector_float_1) (float *a, float *b, float *c, void *context);
+  void (*op_vector_float_4) (float *a, float *b, float *c, void *context);
+  void (*op_vector_float_8) (float *a, float *b, float *c, void *context);
+  void (*op_vector_float_16) (float *a, float *b, float *c, void *context);
+
+  void (*op_vector_double_1) (double *a, double *b, double *c, void *context);
+  void (*op_vector_double_2) (double *a, double *b, double *c, void *context);
+  void (*op_vector_double_4) (double *a, double *b, double *c, void *context);
+  void (*op_vector_double_8) (double *a, double *b, double *c, void *context);
+};
+
+struct interflop_vector_type_t
+{
+  struct interflop_vector_op_interface_t add;
+  struct interflop_vector_op_interface_t sub;
+  struct interflop_vector_op_interface_t mul;
+  struct interflop_vector_op_interface_t div;
+};
+
+struct interflop_backend_vector_interface_t
+{
+  struct interflop_vector_type_t scalar;
+  struct interflop_vector_type_t vector128;
+  struct interflop_vector_type_t vector256;
+  struct interflop_vector_type_t vector512;
+};
+
+#endif
\ No newline at end of file