diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt
index 247bc9e073fc05190365e88524c595f79d6b5adb..43e4f109a62d7ae4ea5afa3920f787b70ed85862 100644
--- a/cmake_targets/CMakeLists.txt
+++ b/cmake_targets/CMakeLists.txt
@@ -1330,6 +1330,9 @@ add_library(ldpc MODULE ${PHY_LDPC_OPTIM8SEGMULTI_SRC} )
 
 add_library(coding MODULE ${PHY_TURBOSRC} )
 
+add_library(dfts MODULE ${OPENAIR1_DIR}/PHY/TOOLS/oai_dfts.c )
+
+
 set(PHY_SRC_COMMON
   ${OPENAIR1_DIR}/PHY/LTE_TRANSPORT/dci_tools_common.c
   ${OPENAIR1_DIR}/PHY/LTE_TRANSPORT/lte_mcs.c
@@ -1370,7 +1373,7 @@ set(PHY_SRC_COMMON
   ${OPENAIR1_DIR}/PHY/INIT/lte_parms.c
   ${OPENAIR1_DIR}/PHY/INIT/lte_param_init.c
   ${OPENAIR1_DIR}/PHY/TOOLS/cadd_vv.c
-  ${OPENAIR1_DIR}/PHY/TOOLS/lte_dfts.c
+#  ${OPENAIR1_DIR}/PHY/TOOLS/lte_dfts.c
   ${OPENAIR1_DIR}/PHY/TOOLS/log2_approx.c
   ${OPENAIR1_DIR}/PHY/TOOLS/cmult_sv.c
   ${OPENAIR1_DIR}/PHY/TOOLS/cmult_vv.c
@@ -1585,6 +1588,7 @@ endif ()
 
 add_library(PHY_COMMON ${PHY_SRC_COMMON})
 add_dependencies(PHY_COMMON rrc_flag)
+add_dependencies(PHY_COMMON dfts)
 add_library(PHY ${PHY_SRC})
 add_dependencies(PHY rrc_flag)
 add_library(PHY_UE ${PHY_SRC_UE})
diff --git a/openair1/PHY/LTE_ESTIMATION/lte_adjust_sync_eNB.c b/openair1/PHY/LTE_ESTIMATION/lte_adjust_sync_eNB.c
index 04fe19ecbce878acce9af7830489ff181a5a8573..aaa138fcd9d8ca066a678496c30b015e70c5edde 100644
--- a/openair1/PHY/LTE_ESTIMATION/lte_adjust_sync_eNB.c
+++ b/openair1/PHY/LTE_ESTIMATION/lte_adjust_sync_eNB.c
@@ -56,22 +56,22 @@ int lte_est_timing_advance(LTE_DL_FRAME_PARMS *frame_parms,
       // do ifft of channel estimate
       switch(frame_parms->N_RB_DL) {
       case 6:
-	dft128((int16_t*) &lte_eNB_srs->srs_ch_estimates[aa][0],
+	dft(DFT_128,(int16_t*) &lte_eNB_srs->srs_ch_estimates[aa][0],
 	       (int16_t*) lte_eNB_srs->srs_ch_estimates_time[aa],
 	       1);
 	break;
       case 25:
-	dft512((int16_t*) &lte_eNB_srs->srs_ch_estimates[aa][0],
+	dft(DFT_512,(int16_t*) &lte_eNB_srs->srs_ch_estimates[aa][0],
 	       (int16_t*) lte_eNB_srs->srs_ch_estimates_time[aa],
 	       1);
 	break;
       case 50:
-	dft1024((int16_t*) &lte_eNB_srs->srs_ch_estimates[aa][0],
+	dft(DFT_1024,(int16_t*) &lte_eNB_srs->srs_ch_estimates[aa][0],
 		(int16_t*) lte_eNB_srs->srs_ch_estimates_time[aa],
 		1);
 	break;
       case 100:
-	dft2048((int16_t*) &lte_eNB_srs->srs_ch_estimates[aa][0],
+	dft(DFT_2048,(int16_t*) &lte_eNB_srs->srs_ch_estimates[aa][0],
 	       (int16_t*) lte_eNB_srs->srs_ch_estimates_time[aa],
 	       1);
 	break;
diff --git a/openair1/PHY/LTE_ESTIMATION/lte_sync_time.c b/openair1/PHY/LTE_ESTIMATION/lte_sync_time.c
index 0c98bdc5a563295f73f2801bfdbbe25c2d5da2f5..0d765a18b339c6fe92109207cb7067cbd50ea3cc 100644
--- a/openair1/PHY/LTE_ESTIMATION/lte_sync_time.c
+++ b/openair1/PHY/LTE_ESTIMATION/lte_sync_time.c
@@ -141,28 +141,28 @@ int lte_sync_time_init(LTE_DL_FRAME_PARMS *frame_parms )   // LTE_UE_COMMON *com
 
   switch (frame_parms->N_RB_DL) {
   case 6:
-    idft128((short*)syncF_tmp,          /// complex input
+    idft(IDFT_128,(short*)syncF_tmp,          /// complex input
 	   (short*)sync_tmp, /// complex output
 	   1);
     break;
   case 25:
-    idft512((short*)syncF_tmp,          /// complex input
+    idft(IDFT_512,(short*)syncF_tmp,          /// complex input
 	   (short*)sync_tmp, /// complex output
 	   1);
     break;
   case 50:
-    idft1024((short*)syncF_tmp,          /// complex input
+    idft(IDFT_1024,(short*)syncF_tmp,          /// complex input
 	    (short*)sync_tmp, /// complex output
 	    1);
     break;
     
   case 75:
-    idft1536((short*)syncF_tmp,          /// complex input
+    idft(IDFT_1536,(short*)syncF_tmp,          /// complex input
 	     (short*)sync_tmp,
 	     1); /// complex output
     break;
   case 100:
-    idft2048((short*)syncF_tmp,          /// complex input
+    idft(IDFT_2048,(short*)syncF_tmp,          /// complex input
 	     (short*)sync_tmp, /// complex output
 	     1);
     break;
@@ -189,28 +189,28 @@ int lte_sync_time_init(LTE_DL_FRAME_PARMS *frame_parms )   // LTE_UE_COMMON *com
 
   switch (frame_parms->N_RB_DL) {
   case 6:
-    idft128((short*)syncF_tmp,          /// complex input
+    idft(IDFT_128,(short*)syncF_tmp,          /// complex input
 	   (short*)sync_tmp, /// complex output
 	   1);
     break;
   case 25:
-    idft512((short*)syncF_tmp,          /// complex input
+    idft(IDFT_512,(short*)syncF_tmp,          /// complex input
 	   (short*)sync_tmp, /// complex output
 	   1);
     break;
   case 50:
-    idft1024((short*)syncF_tmp,          /// complex input
+    idft(IDFT_1024,(short*)syncF_tmp,          /// complex input
 	    (short*)sync_tmp, /// complex output
 	    1);
     break;
     
   case 75:
-    idft1536((short*)syncF_tmp,          /// complex input
+    idft(IDFT_1536,(short*)syncF_tmp,          /// complex input
 	     (short*)sync_tmp, /// complex output
 	     1);
     break;
   case 100:
-    idft2048((short*)syncF_tmp,          /// complex input
+    idft(IDFT_2048,(short*)syncF_tmp,          /// complex input
 	    (short*)sync_tmp, /// complex output
 	    1);
     break;
@@ -237,28 +237,28 @@ int lte_sync_time_init(LTE_DL_FRAME_PARMS *frame_parms )   // LTE_UE_COMMON *com
 
   switch (frame_parms->N_RB_DL) {
   case 6:
-    idft128((short*)syncF_tmp,          /// complex input
+    idft(IDFT_128,(short*)syncF_tmp,          /// complex input
 	   (short*)sync_tmp, /// complex output
 	   1);
     break;
   case 25:
-    idft512((short*)syncF_tmp,          /// complex input
+    idft(IDFT_512,(short*)syncF_tmp,          /// complex input
 	   (short*)sync_tmp, /// complex output
 	   1);
     break;
   case 50:
-    idft1024((short*)syncF_tmp,          /// complex input
+    idft(IDFT_1024,(short*)syncF_tmp,          /// complex input
 	    (short*)sync_tmp, /// complex output
 	    1);
     break;
     
   case 75:
-    idft1536((short*)syncF_tmp,          /// complex input
+    idft(IDFT_1536,(short*)syncF_tmp,          /// complex input
 	     (short*)sync_tmp, /// complex output
 	     1);
     break;
   case 100:
-    idft2048((short*)syncF_tmp,          /// complex input
+    idft(IDFT_2048,(short*)syncF_tmp,          /// complex input
 	    (short*)sync_tmp, /// complex output
 	    1);
     break;
@@ -492,28 +492,28 @@ int ru_sync_time_init(RU_t *ru)   // LTE_UE_COMMON *common_vars
 
   switch (ru->frame_parms->N_RB_DL) {
   case 6:
-    idft128((int16_t*)(&dmrsp[0][3*ru->frame_parms->ofdm_symbol_size]),
+    idft(IDFT_128,(int16_t*)(&dmrsp[0][3*ru->frame_parms->ofdm_symbol_size]),
 	    ru->dmrssync, /// complex output
 	    1);
     break;
   case 25:
-    idft512((int16_t*)(&dmrsp[0][3*ru->frame_parms->ofdm_symbol_size]),
+    idft(IDFT_512,(int16_t*)(&dmrsp[0][3*ru->frame_parms->ofdm_symbol_size]),
 	    ru->dmrssync, /// complex output
 	    1);
     break;
   case 50:
-    idft1024((int16_t*)(&dmrsp[0][3*ru->frame_parms->ofdm_symbol_size]),
+    idft(IDFT_1024,(int16_t*)(&dmrsp[0][3*ru->frame_parms->ofdm_symbol_size]),
 	    ru->dmrssync, /// complex output
 	    1);
     break;
      
   case 75:
-    idft1536((int16_t*)(&dmrsp[0][3*ru->frame_parms->ofdm_symbol_size]),
+    idft(IDFT_1536,(int16_t*)(&dmrsp[0][3*ru->frame_parms->ofdm_symbol_size]),
 	     ru->dmrssync,
 	     1); /// complex output
     break;
   case 100:
-    idft2048((int16_t*)(&dmrsp[0][3*ru->frame_parms->ofdm_symbol_size]),
+    idft(IDFT_2048,(int16_t*)(&dmrsp[0][3*ru->frame_parms->ofdm_symbol_size]),
 	     ru->dmrssync, /// complex output
 	     1);
     break;
diff --git a/openair1/PHY/LTE_ESTIMATION/lte_ul_channel_estimation.c b/openair1/PHY/LTE_ESTIMATION/lte_ul_channel_estimation.c
index cb001f9dc48f95e75a8e355322bda9aa99a5fcfc..f5543eda52ec8f39eabc75ab50e7c18c90583365 100644
--- a/openair1/PHY/LTE_ESTIMATION/lte_ul_channel_estimation.c
+++ b/openair1/PHY/LTE_ESTIMATION/lte_ul_channel_estimation.c
@@ -246,25 +246,25 @@ int32_t lte_ul_channel_estimation(PHY_VARS_eNB *eNB,
 
       switch(frame_parms->N_RB_DL) {
         case 6:
-          idft128((int16_t *) temp_in_ifft_0,
+          idft(IDFT_128,(int16_t *) temp_in_ifft_0,
                   (int16_t *) ul_ch_estimates_time[aa],
                   1);
           break;
 
         case 25:
-          idft512((int16_t *) temp_in_ifft_0,
+          idft(IDFT_512,(int16_t *) temp_in_ifft_0,
                   (int16_t *) ul_ch_estimates_time[aa],
                   1);
           break;
 
         case 50:
-          idft1024((int16_t *) temp_in_ifft_0,
+          idft(IDFT_1024,(int16_t *) temp_in_ifft_0,
                    (int16_t *) ul_ch_estimates_time[aa],
                    1);
           break;
 
         case 100:
-          idft2048((int16_t *) temp_in_ifft_0,
+          idft(IDFT_2048,(int16_t *) temp_in_ifft_0,
                    (int16_t *) ul_ch_estimates_time[aa],
                    1);
           break;
@@ -575,25 +575,25 @@ int32_t lte_ul_channel_estimation_RRU(LTE_DL_FRAME_PARMS *frame_parms,
 
       switch(frame_parms->N_RB_DL) {
         case 6:
-          idft128((int16_t *) temp_in_ifft_0,
+          idft(IDFT_128,(int16_t *) temp_in_ifft_0,
                   (int16_t *) ul_ch_estimates_time[aa],
                   1);
           break;
 
         case 25:
-          idft512((int16_t *) temp_in_ifft_0,
+          idft(IDFT_512,(int16_t *) temp_in_ifft_0,
                   (int16_t *) ul_ch_estimates_time[aa],
                   1);
           break;
 
         case 50:
-          idft1024((int16_t *) temp_in_ifft_0,
+          idft(IDFT_1024,(int16_t *) temp_in_ifft_0,
                    (int16_t *) ul_ch_estimates_time[aa],
                    1);
           break;
 
         case 100:
-          idft2048((int16_t *) temp_in_ifft_0,
+          idft(IDFT_2048,(int16_t *) temp_in_ifft_0,
                    (int16_t *) ul_ch_estimates_time[aa],
                    1);
           break;
diff --git a/openair1/PHY/LTE_TRANSPORT/prach.c b/openair1/PHY/LTE_TRANSPORT/prach.c
index 3471f98af793b6e3b1b2bbe2f09c676ac983d729..983e30c80a1b6c50ccf4a9f7b4ac418304db86ae 100644
--- a/openair1/PHY/LTE_TRANSPORT/prach.c
+++ b/openair1/PHY/LTE_TRANSPORT/prach.c
@@ -298,24 +298,24 @@ void rx_prach0(PHY_VARS_eNB *eNB,
       switch (fp->N_RB_UL) {
         case 6:
           if (prach_fmt == 4) {
-            dft256(prach2,rxsigF[aa],1);
+            dft(DFT_256,prach2,rxsigF[aa],1);
           } else {
-            dft1536(prach2,rxsigF[aa],1);
+            dft(DFT_1536,prach2,rxsigF[aa],1);
 
             if (prach_fmt>1)
-              dft1536(prach2+3072,rxsigF[aa]+3072,1);
+              dft(DFT_1536,prach2+3072,rxsigF[aa]+3072,1);
           }
 
           break;
 
         case 15:
           if (prach_fmt == 4) {
-            dft256(prach2,rxsigF[aa],1);
+            dft(DFT_256,prach2,rxsigF[aa],1);
           } else {
-            dft3072(prach2,rxsigF[aa],1);
+            dft(DFT_3072,prach2,rxsigF[aa],1);
 
             if (prach_fmt>1)
-              dft3072(prach2+6144,rxsigF[aa]+6144,1);
+              dft(DFT_3072,prach2+6144,rxsigF[aa]+6144,1);
           }
 
           break;
@@ -323,13 +323,13 @@ void rx_prach0(PHY_VARS_eNB *eNB,
         case 25:
         default:
           if (prach_fmt == 4) {
-            dft1024(prach2,rxsigF[aa],1);
+            dft(DFT_1024,prach2,rxsigF[aa],1);
             fft_size = 1024;
           } else {
-            dft6144(prach2,rxsigF[aa],1);
+            dft(DFT_6144,prach2,rxsigF[aa],1);
 
             if (prach_fmt>1)
-              dft6144(prach2+12288,rxsigF[aa]+12288,1);
+              dft(DFT_6144,prach2+12288,rxsigF[aa]+12288,1);
 
             fft_size = 6144;
           }
@@ -338,24 +338,24 @@ void rx_prach0(PHY_VARS_eNB *eNB,
 
         case 50:
           if (prach_fmt == 4) {
-            dft2048(prach2,rxsigF[aa],1);
+            dft(DFT_2048,prach2,rxsigF[aa],1);
           } else {
-            dft12288(prach2,rxsigF[aa],1);
+            dft(DFT_12288,prach2,rxsigF[aa],1);
 
             if (prach_fmt>1)
-              dft12288(prach2+24576,rxsigF[aa]+24576,1);
+              dft(DFT_12288,prach2+24576,rxsigF[aa]+24576,1);
           }
 
           break;
 
         case 75:
           if (prach_fmt == 4) {
-            dft3072(prach2,rxsigF[aa],1);
+            dft(DFT_3072,prach2,rxsigF[aa],1);
           } else {
-            dft18432(prach2,rxsigF[aa],1);
+            dft(DFT_18432,prach2,rxsigF[aa],1);
 
             if (prach_fmt>1)
-              dft18432(prach2+36864,rxsigF[aa]+36864,1);
+              dft(DFT_18432,prach2+36864,rxsigF[aa]+36864,1);
           }
 
           break;
@@ -363,21 +363,21 @@ void rx_prach0(PHY_VARS_eNB *eNB,
         case 100:
           if (fp->threequarter_fs==0) {
             if (prach_fmt == 4) {
-              dft4096(prach2,rxsigF[aa],1);
+              dft(DFT_4096,prach2,rxsigF[aa],1);
             } else {
-              dft24576(prach2,rxsigF[aa],1);
+              dft(DFT_24576,prach2,rxsigF[aa],1);
 
               if (prach_fmt>1)
-                dft24576(prach2+49152,rxsigF[aa]+49152,1);
+                dft(DFT_24576,prach2+49152,rxsigF[aa]+49152,1);
             }
           } else {
             if (prach_fmt == 4) {
-              dft3072(prach2,rxsigF[aa],1);
+              dft(DFT_3072,prach2,rxsigF[aa],1);
             } else {
-              dft18432(prach2,rxsigF[aa],1);
+              dft(DFT_18432,prach2,rxsigF[aa],1);
 
               if (prach_fmt>1)
-                dft18432(prach2+36864,rxsigF[aa]+36864,1);
+                dft(DFT_18432,prach2+36864,rxsigF[aa]+36864,1);
             }
           }
 
@@ -589,13 +589,13 @@ void rx_prach0(PHY_VARS_eNB *eNB,
         // Now do IFFT of size 1024 (N_ZC=839) or 256 (N_ZC=139)
         if (N_ZC == 839) {
           log2_ifft_size = 10;
-          idft1024(prachF,prach_ifft_tmp,1);
+          idft(IDFT_1024,prachF,prach_ifft_tmp,1);
 
           // compute energy and accumulate over receive antennas and repetitions for BR
           for (i=0; i<2048; i++)
             prach_ifft[i] += (prach_ifft_tmp[i<<1]*prach_ifft_tmp[i<<1] + prach_ifft_tmp[1+(i<<1)]*prach_ifft_tmp[1+(i<<1)])>>9;
         } else {
-          idft256(prachF,prach_ifft_tmp,1);
+          idft(IDFT_256,prachF,prach_ifft_tmp,1);
           log2_ifft_size = 8;
 
           // compute energy and accumulate over receive antennas and repetitions for BR
diff --git a/openair1/PHY/LTE_TRANSPORT/ulsch_demodulation.c b/openair1/PHY/LTE_TRANSPORT/ulsch_demodulation.c
index 1b0d7feaf51cd647d6e199c08016df49c9e057b3..0e7bdd2ae46af2fe9075fa58e443f0d7676f433b 100644
--- a/openair1/PHY/LTE_TRANSPORT/ulsch_demodulation.c
+++ b/openair1/PHY/LTE_TRANSPORT/ulsch_demodulation.c
@@ -154,9 +154,9 @@ void lte_idft(LTE_DL_FRAME_PARMS *frame_parms,uint32_t *z, uint16_t Msc_PUSCH) {
 
   switch (Msc_PUSCH) {
     case 12:
-      dft12((int16_t *)idft_in0,(int16_t *)idft_out0);
-      dft12((int16_t *)idft_in1,(int16_t *)idft_out1);
-      dft12((int16_t *)idft_in2,(int16_t *)idft_out2);
+      dft(DFT_12,(int16_t *)idft_in0,(int16_t *)idft_out0,0);
+      dft(DFT_12,(int16_t *)idft_in1,(int16_t *)idft_out1,0);
+      dft(DFT_12,(int16_t *)idft_in2,(int16_t *)idft_out2,0);
 #if defined(__x86_64__)||defined(__i386__)
       norm128 = _mm_set1_epi16(9459);
 #elif defined(__arm__)
@@ -178,201 +178,201 @@ void lte_idft(LTE_DL_FRAME_PARMS *frame_parms,uint32_t *z, uint16_t Msc_PUSCH) {
       break;
 
     case 24:
-      dft24(idft_in0,idft_out0,1);
-      dft24(idft_in1,idft_out1,1);
-      dft24(idft_in2,idft_out2,1);
+      dft(DFT_24,idft_in0,idft_out0,1);
+      dft(DFT_24,idft_in1,idft_out1,1);
+      dft(DFT_24,idft_in2,idft_out2,1);
       break;
 
     case 36:
-      dft36(idft_in0,idft_out0,1);
-      dft36(idft_in1,idft_out1,1);
-      dft36(idft_in2,idft_out2,1);
+      dft(DFT_36,idft_in0,idft_out0,1);
+      dft(DFT_36,idft_in1,idft_out1,1);
+      dft(DFT_36,idft_in2,idft_out2,1);
       break;
 
     case 48:
-      dft48(idft_in0,idft_out0,1);
-      dft48(idft_in1,idft_out1,1);
-      dft48(idft_in2,idft_out2,1);
+      dft(DFT_48,idft_in0,idft_out0,1);
+      dft(DFT_48,idft_in1,idft_out1,1);
+      dft(DFT_48,idft_in2,idft_out2,1);
       break;
 
     case 60:
-      dft60(idft_in0,idft_out0,1);
-      dft60(idft_in1,idft_out1,1);
-      dft60(idft_in2,idft_out2,1);
+      dft(DFT_60,idft_in0,idft_out0,1);
+      dft(DFT_60,idft_in1,idft_out1,1);
+      dft(DFT_60,idft_in2,idft_out2,1);
       break;
 
     case 72:
-      dft72(idft_in0,idft_out0,1);
-      dft72(idft_in1,idft_out1,1);
-      dft72(idft_in2,idft_out2,1);
+      dft(DFT_72,idft_in0,idft_out0,1);
+      dft(DFT_72,idft_in1,idft_out1,1);
+      dft(DFT_72,idft_in2,idft_out2,1);
       break;
 
     case 96:
-      dft96(idft_in0,idft_out0,1);
-      dft96(idft_in1,idft_out1,1);
-      dft96(idft_in2,idft_out2,1);
+      dft(DFT_96,idft_in0,idft_out0,1);
+      dft(DFT_96,idft_in1,idft_out1,1);
+      dft(DFT_96,idft_in2,idft_out2,1);
       break;
 
     case 108:
-      dft108(idft_in0,idft_out0,1);
-      dft108(idft_in1,idft_out1,1);
-      dft108(idft_in2,idft_out2,1);
+      dft(DFT_108,idft_in0,idft_out0,1);
+      dft(DFT_108,idft_in1,idft_out1,1);
+      dft(DFT_108,idft_in2,idft_out2,1);
       break;
 
     case 120:
-      dft120(idft_in0,idft_out0,1);
-      dft120(idft_in1,idft_out1,1);
-      dft120(idft_in2,idft_out2,1);
+      dft(DFT_120,idft_in0,idft_out0,1);
+      dft(DFT_120,idft_in1,idft_out1,1);
+      dft(DFT_120,idft_in2,idft_out2,1);
       break;
 
     case 144:
-      dft144(idft_in0,idft_out0,1);
-      dft144(idft_in1,idft_out1,1);
-      dft144(idft_in2,idft_out2,1);
+      dft(DFT_144,idft_in0,idft_out0,1);
+      dft(DFT_144,idft_in1,idft_out1,1);
+      dft(DFT_144,idft_in2,idft_out2,1);
       break;
 
     case 180:
-      dft180(idft_in0,idft_out0,1);
-      dft180(idft_in1,idft_out1,1);
-      dft180(idft_in2,idft_out2,1);
+      dft(DFT_180,idft_in0,idft_out0,1);
+      dft(DFT_180,idft_in1,idft_out1,1);
+      dft(DFT_180,idft_in2,idft_out2,1);
       break;
 
     case 192:
-      dft192(idft_in0,idft_out0,1);
-      dft192(idft_in1,idft_out1,1);
-      dft192(idft_in2,idft_out2,1);
+      dft(DFT_192,idft_in0,idft_out0,1);
+      dft(DFT_192,idft_in1,idft_out1,1);
+      dft(DFT_192,idft_in2,idft_out2,1);
       break;
 
     case 216:
-      dft216(idft_in0,idft_out0,1);
-      dft216(idft_in1,idft_out1,1);
-      dft216(idft_in2,idft_out2,1);
+      dft(DFT_216,idft_in0,idft_out0,1);
+      dft(DFT_216,idft_in1,idft_out1,1);
+      dft(DFT_216,idft_in2,idft_out2,1);
       break;
 
     case 240:
-      dft240(idft_in0,idft_out0,1);
-      dft240(idft_in1,idft_out1,1);
-      dft240(idft_in2,idft_out2,1);
+      dft(DFT_240,idft_in0,idft_out0,1);
+      dft(DFT_240,idft_in1,idft_out1,1);
+      dft(DFT_240,idft_in2,idft_out2,1);
       break;
 
     case 288:
-      dft288(idft_in0,idft_out0,1);
-      dft288(idft_in1,idft_out1,1);
-      dft288(idft_in2,idft_out2,1);
+      dft(DFT_288,idft_in0,idft_out0,1);
+      dft(DFT_288,idft_in1,idft_out1,1);
+      dft(DFT_288,idft_in2,idft_out2,1);
       break;
 
     case 300:
-      dft300(idft_in0,idft_out0,1);
-      dft300(idft_in1,idft_out1,1);
-      dft300(idft_in2,idft_out2,1);
+      dft(DFT_300,idft_in0,idft_out0,1);
+      dft(DFT_300,idft_in1,idft_out1,1);
+      dft(DFT_300,idft_in2,idft_out2,1);
       break;
 
     case 324:
-      dft324((int16_t *)idft_in0,(int16_t *)idft_out0,1);
-      dft324((int16_t *)idft_in1,(int16_t *)idft_out1,1);
-      dft324((int16_t *)idft_in2,(int16_t *)idft_out2,1);
+      dft(DFT_324,(int16_t *)idft_in0,(int16_t *)idft_out0,1);
+      dft(DFT_324,(int16_t *)idft_in1,(int16_t *)idft_out1,1);
+      dft(DFT_324,(int16_t *)idft_in2,(int16_t *)idft_out2,1);
       break;
 
     case 360:
-      dft360((int16_t *)idft_in0,(int16_t *)idft_out0,1);
-      dft360((int16_t *)idft_in1,(int16_t *)idft_out1,1);
-      dft360((int16_t *)idft_in2,(int16_t *)idft_out2,1);
+      dft(DFT_360,(int16_t *)idft_in0,(int16_t *)idft_out0,1);
+      dft(DFT_360,(int16_t *)idft_in1,(int16_t *)idft_out1,1);
+      dft(DFT_360,(int16_t *)idft_in2,(int16_t *)idft_out2,1);
       break;
 
     case 384:
-      dft384((int16_t *)idft_in0,(int16_t *)idft_out0,1);
-      dft384((int16_t *)idft_in1,(int16_t *)idft_out1,1);
-      dft384((int16_t *)idft_in2,(int16_t *)idft_out2,1);
+      dft(DFT_384,(int16_t *)idft_in0,(int16_t *)idft_out0,1);
+      dft(DFT_384,(int16_t *)idft_in1,(int16_t *)idft_out1,1);
+      dft(DFT_384,(int16_t *)idft_in2,(int16_t *)idft_out2,1);
       break;
 
     case 432:
-      dft432((int16_t *)idft_in0,(int16_t *)idft_out0,1);
-      dft432((int16_t *)idft_in1,(int16_t *)idft_out1,1);
-      dft432((int16_t *)idft_in2,(int16_t *)idft_out2,1);
+      dft(DFT_432,(int16_t *)idft_in0,(int16_t *)idft_out0,1);
+      dft(DFT_432,(int16_t *)idft_in1,(int16_t *)idft_out1,1);
+      dft(DFT_432,(int16_t *)idft_in2,(int16_t *)idft_out2,1);
       break;
 
     case 480:
-      dft480((int16_t *)idft_in0,(int16_t *)idft_out0,1);
-      dft480((int16_t *)idft_in1,(int16_t *)idft_out1,1);
-      dft480((int16_t *)idft_in2,(int16_t *)idft_out2,1);
+      dft(DFT_480,(int16_t *)idft_in0,(int16_t *)idft_out0,1);
+      dft(DFT_480,(int16_t *)idft_in1,(int16_t *)idft_out1,1);
+      dft(DFT_480,(int16_t *)idft_in2,(int16_t *)idft_out2,1);
       break;
 
     case 540:
-      dft540((int16_t *)idft_in0,(int16_t *)idft_out0,1);
-      dft540((int16_t *)idft_in1,(int16_t *)idft_out1,1);
-      dft540((int16_t *)idft_in2,(int16_t *)idft_out2,1);
+      dft(DFT_540,(int16_t *)idft_in0,(int16_t *)idft_out0,1);
+      dft(DFT_540,(int16_t *)idft_in1,(int16_t *)idft_out1,1);
+      dft(DFT_540,(int16_t *)idft_in2,(int16_t *)idft_out2,1);
       break;
 
     case 576:
-      dft576((int16_t *)idft_in0,(int16_t *)idft_out0,1);
-      dft576((int16_t *)idft_in1,(int16_t *)idft_out1,1);
-      dft576((int16_t *)idft_in2,(int16_t *)idft_out2,1);
+      dft(DFT_576,(int16_t *)idft_in0,(int16_t *)idft_out0,1);
+      dft(DFT_576,(int16_t *)idft_in1,(int16_t *)idft_out1,1);
+      dft(DFT_576,(int16_t *)idft_in2,(int16_t *)idft_out2,1);
       break;
 
     case 600:
-      dft600((int16_t *)idft_in0,(int16_t *)idft_out0,1);
-      dft600((int16_t *)idft_in1,(int16_t *)idft_out1,1);
-      dft600((int16_t *)idft_in2,(int16_t *)idft_out2,1);
+      dft(DFT_600,(int16_t *)idft_in0,(int16_t *)idft_out0,1);
+      dft(DFT_600,(int16_t *)idft_in1,(int16_t *)idft_out1,1);
+      dft(DFT_600,(int16_t *)idft_in2,(int16_t *)idft_out2,1);
       break;
 
     case 648:
-      dft648((int16_t *)idft_in0,(int16_t *)idft_out0,1);
-      dft648((int16_t *)idft_in1,(int16_t *)idft_out1,1);
-      dft648((int16_t *)idft_in2,(int16_t *)idft_out2,1);
+      dft(DFT_648,(int16_t *)idft_in0,(int16_t *)idft_out0,1);
+      dft(DFT_648,(int16_t *)idft_in1,(int16_t *)idft_out1,1);
+      dft(DFT_648,(int16_t *)idft_in2,(int16_t *)idft_out2,1);
       break;
 
     case 720:
-      dft720((int16_t *)idft_in0,(int16_t *)idft_out0,1);
-      dft720((int16_t *)idft_in1,(int16_t *)idft_out1,1);
-      dft720((int16_t *)idft_in2,(int16_t *)idft_out2,1);
+      dft(DFT_720,(int16_t *)idft_in0,(int16_t *)idft_out0,1);
+      dft(DFT_720,(int16_t *)idft_in1,(int16_t *)idft_out1,1);
+      dft(DFT_720,(int16_t *)idft_in2,(int16_t *)idft_out2,1);
       break;
 
     case 768:
-      dft768((int16_t *)idft_in0,(int16_t *)idft_out0,1);
-      dft768((int16_t *)idft_in1,(int16_t *)idft_out1,1);
-      dft768((int16_t *)idft_in2,(int16_t *)idft_out2,1);
+      dft(DFT_768,(int16_t *)idft_in0,(int16_t *)idft_out0,1);
+      dft(DFT_768,(int16_t *)idft_in1,(int16_t *)idft_out1,1);
+      dft(DFT_768,(int16_t *)idft_in2,(int16_t *)idft_out2,1);
       break;
 
     case 864:
-      dft864((int16_t *)idft_in0,(int16_t *)idft_out0,1);
-      dft864((int16_t *)idft_in1,(int16_t *)idft_out1,1);
-      dft864((int16_t *)idft_in2,(int16_t *)idft_out2,1);
+      dft(DFT_864,(int16_t *)idft_in0,(int16_t *)idft_out0,1);
+      dft(DFT_864,(int16_t *)idft_in1,(int16_t *)idft_out1,1);
+      dft(DFT_864,(int16_t *)idft_in2,(int16_t *)idft_out2,1);
       break;
 
     case 900:
-      dft900((int16_t *)idft_in0,(int16_t *)idft_out0,1);
-      dft900((int16_t *)idft_in1,(int16_t *)idft_out1,1);
-      dft900((int16_t *)idft_in2,(int16_t *)idft_out2,1);
+      dft(DFT_900,(int16_t *)idft_in0,(int16_t *)idft_out0,1);
+      dft(DFT_900,(int16_t *)idft_in1,(int16_t *)idft_out1,1);
+      dft(DFT_900,(int16_t *)idft_in2,(int16_t *)idft_out2,1);
       break;
 
     case 960:
-      dft960((int16_t *)idft_in0,(int16_t *)idft_out0,1);
-      dft960((int16_t *)idft_in1,(int16_t *)idft_out1,1);
-      dft960((int16_t *)idft_in2,(int16_t *)idft_out2,1);
+      dft(DFT_960,(int16_t *)idft_in0,(int16_t *)idft_out0,1);
+      dft(DFT_960,(int16_t *)idft_in1,(int16_t *)idft_out1,1);
+      dft(DFT_960,(int16_t *)idft_in2,(int16_t *)idft_out2,1);
       break;
 
     case 972:
-      dft972((int16_t *)idft_in0,(int16_t *)idft_out0,1);
-      dft972((int16_t *)idft_in1,(int16_t *)idft_out1,1);
-      dft972((int16_t *)idft_in2,(int16_t *)idft_out2,1);
+      dft(DFT_972,(int16_t *)idft_in0,(int16_t *)idft_out0,1);
+      dft(DFT_972,(int16_t *)idft_in1,(int16_t *)idft_out1,1);
+      dft(DFT_972,(int16_t *)idft_in2,(int16_t *)idft_out2,1);
       break;
 
     case 1080:
-      dft1080((int16_t *)idft_in0,(int16_t *)idft_out0,1);
-      dft1080((int16_t *)idft_in1,(int16_t *)idft_out1,1);
-      dft1080((int16_t *)idft_in2,(int16_t *)idft_out2,1);
+      dft(DFT_1080,(int16_t *)idft_in0,(int16_t *)idft_out0,1);
+      dft(DFT_1080,(int16_t *)idft_in1,(int16_t *)idft_out1,1);
+      dft(DFT_1080,(int16_t *)idft_in2,(int16_t *)idft_out2,1);
       break;
 
     case 1152:
-      dft1152((int16_t *)idft_in0,(int16_t *)idft_out0,1);
-      dft1152((int16_t *)idft_in1,(int16_t *)idft_out1,1);
-      dft1152((int16_t *)idft_in2,(int16_t *)idft_out2,1);
+      dft(DFT_1152,(int16_t *)idft_in0,(int16_t *)idft_out0,1);
+      dft(DFT_1152,(int16_t *)idft_in1,(int16_t *)idft_out1,1);
+      dft(DFT_1152,(int16_t *)idft_in2,(int16_t *)idft_out2,1);
       break;
 
     case 1200:
-      dft1200(idft_in0,idft_out0,1);
-      dft1200(idft_in1,idft_out1,1);
-      dft1200(idft_in2,idft_out2,1);
+      dft(DFT_1200,idft_in0,idft_out0,1);
+      dft(DFT_1200,idft_in1,idft_out1,1);
+      dft(DFT_1200,idft_in2,idft_out2,1);
       break;
 
     default:
diff --git a/openair1/PHY/MODULATION/ofdm_mod.c b/openair1/PHY/MODULATION/ofdm_mod.c
index cbeeca13278f6147c0ce2657f95da5faef7e490d..855e649cc5e629a128ba9ffcc680f07c6525956d 100644
--- a/openair1/PHY/MODULATION/ofdm_mod.c
+++ b/openair1/PHY/MODULATION/ofdm_mod.c
@@ -95,41 +95,41 @@ void PHY_ofdm_mod(int *input,                       /// pointer to complex input
   volatile int *output_ptr=(int*)0;
 
   int *temp_ptr=(int*)0;
-  void (*idft)(int16_t *,int16_t *, int);
+  idft_size_idx_t idftsize;
 
   switch (fftsize) {
   case 128:
-    idft = idft128;
+    idftsize = IDFT_128;
     break;
 
   case 256:
-    idft = idft256;
+    idftsize = IDFT_256;
     break;
 
   case 512:
-    idft = idft512;
+    idftsize = IDFT_512;
     break;
 
   case 1024:
-    idft = idft1024;
+    idftsize = IDFT_1024;
     break;
 
   case 1536:
-    idft = idft1536;
+    idftsize = IDFT_1536;
     break;
 
   case 2048:
-    idft = idft2048;
+    idftsize = IDFT_2048;
     break;
 
   case 3072:
-    idft = idft3072;
+    idftsize = IDFT_3072;
     break;
   case 4096:
-    idft = idft4096;
+    idftsize = IDFT_4096;
     break;
   default:
-    idft = idft512;
+    idftsize = IDFT_512;
     break;
   }
 
@@ -148,12 +148,12 @@ void PHY_ofdm_mod(int *input,                       /// pointer to complex input
 
 #ifndef __AVX2__
     // handle 128-bit alignment for 128-bit SIMD (SSE4,NEON,AltiVEC)
-    idft((int16_t *)&input[i*fftsize],
+    idft(idftsize,(int16_t *)&input[i*fftsize],
          (fftsize==128) ? (int16_t *)temp : (int16_t *)&output[(i*fftsize) + ((1+i)*nb_prefix_samples)],
          1);
 #else
     // on AVX2 need 256-bit alignment
-    idft((int16_t *)&input[i*fftsize],
+    idft(idftsize,(int16_t *)&input[i*fftsize],
          (int16_t *)temp,
          1);
 
diff --git a/openair1/PHY/MODULATION/slot_fep_nr.c b/openair1/PHY/MODULATION/slot_fep_nr.c
index f2e5d24badb305acd0c912e99120220a45ad5b29..12a02660f9df0cc72876c6995f451be9eb56b5fa 100644
--- a/openair1/PHY/MODULATION/slot_fep_nr.c
+++ b/openair1/PHY/MODULATION/slot_fep_nr.c
@@ -62,44 +62,44 @@ int nr_slot_fep(PHY_VARS_NR_UE *ue,
   unsigned int rx_offset;
 
 
-  void (*dft)(int16_t *,int16_t *, int);
+  dft_size_idx_t dftsize;
   int tmp_dft_in[8192] __attribute__ ((aligned (32)));  // This is for misalignment issues for 6 and 15 PRBs
 
   switch (frame_parms->ofdm_symbol_size) {
   case 128:
-    dft = dft128;
+    dftsize = DFT_128;
     break;
 
   case 256:
-    dft = dft256;
+    dftsize = DFT_256;
     break;
 
   case 512:
-    dft = dft512;
+    dftsize = DFT_512;
     break;
 
   case 1024:
-    dft = dft1024;
+    dftsize = DFT_1024;
     break;
 
   case 1536:
-    dft = dft1536;
+    dftsize = DFT_1536;
     break;
 
   case 2048:
-    dft = dft2048;
+    dftsize = DFT_2048;
     break;
 
   case 3072:
-    dft = dft3072;
+    dftsize = DFT_3072;
     break;
 
   case 4096:
-    dft = dft4096;
+    dftsize = DFT_4096;
     break;
 
   case 8192:
-    dft = dft8192;
+    dftsize = DFT_8192;
     break;
 
   default:
@@ -155,14 +155,14 @@ int nr_slot_fep(PHY_VARS_NR_UE *ue,
         memcpy((void *)tmp_dft_in,
                (void *) &common_vars->rxdata[aa][rx_offset % frame_length_samples],
                frame_parms->ofdm_symbol_size*sizeof(int));
-        dft((int16_t *)tmp_dft_in,
+        dft(dftsize,(int16_t *)tmp_dft_in,
             (int16_t *)&common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[Ns]].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],1);
       } else { // use dft input from RX buffer directly
 #if UE_TIMING_TRACE
           start_meas(&ue->rx_dft_stats);
 #endif
 
-        dft((int16_t *) &common_vars->rxdata[aa][(rx_offset) % frame_length_samples],
+        dft(dftsize,(int16_t *) &common_vars->rxdata[aa][(rx_offset) % frame_length_samples],
             (int16_t *)&common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[Ns]].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],1);
 #if UE_TIMING_TRACE
         stop_meas(&ue->rx_dft_stats);
@@ -183,11 +183,11 @@ int nr_slot_fep(PHY_VARS_NR_UE *ue,
         memcpy((void *)tmp_dft_in,
                (void *) &common_vars->rxdata[aa][(rx_offset) % frame_length_samples],
                frame_parms->ofdm_symbol_size*sizeof(int));
-        dft((int16_t *)tmp_dft_in,
+        dft(dftsize,(int16_t *)tmp_dft_in,
             (int16_t *)&common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[Ns]].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],1);
       } else { // use dft input from RX buffer directly
 
-        dft((int16_t *) &common_vars->rxdata[aa][(rx_offset) % frame_length_samples],
+        dft(dftsize,(int16_t *) &common_vars->rxdata[aa][(rx_offset) % frame_length_samples],
             (int16_t *)&common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[Ns]].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],1);
       }
 #if UE_TIMING_TRACE
@@ -400,43 +400,43 @@ int nr_slot_fep_ul(NR_DL_FRAME_PARMS *frame_parms,
   unsigned int nb_prefix_samples  = (no_prefix ? 0 : frame_parms->nb_prefix_samples);
   unsigned int nb_prefix_samples0 = (no_prefix ? 0 : frame_parms->nb_prefix_samples0);
   
-  void (*dft)(int16_t *,int16_t *, int);
+  dft_size_idx_t dftsize;
 
   switch (frame_parms->ofdm_symbol_size) {
     case 128:
-      dft = dft128;
+      dftsize = DFT_128;
       break;
 
     case 256:
-      dft = dft256;
+      dftsize = DFT_256;
       break;
 
     case 512:
-      dft = dft512;
+      dftsize = DFT_512;
       break;
 
     case 1024:
-      dft = dft1024;
+      dftsize = DFT_1024;
       break;
 
     case 1536:
-      dft = dft1536;
+      dftsize = DFT_1536;
       break;
 
     case 2048:
-      dft = dft2048;
+      dftsize = DFT_2048;
       break;
 
     case 4096:
-      dft = dft4096;
+      dftsize = DFT_4096;
       break;
 
     case 8192:
-      dft = dft8192;
+      dftsize = DFT_8192;
       break;
 
     default:
-      dft = dft512;
+      dftsize = DFT_512;
       break;
   }
   
@@ -448,7 +448,7 @@ int nr_slot_fep_ul(NR_DL_FRAME_PARMS *frame_parms,
   else
     rxdata_offset = slot_offset + nb_prefix_samples0 + (symbol * (frame_parms->ofdm_symbol_size + nb_prefix_samples)) - SOFFSET;
 
-  dft((int16_t *)&rxdata[rxdata_offset],
+  dft(dftsize,(int16_t *)&rxdata[rxdata_offset],
        (int16_t *)&rxdataF[symbol * frame_parms->ofdm_symbol_size], 1);
 
   return(0);
diff --git a/openair1/PHY/MODULATION/slot_fep_ul.c b/openair1/PHY/MODULATION/slot_fep_ul.c
index 3ac8537c696ff2df692e98ad0967c1c296253ac8..746f8dbc0e1535dcca3bcdded7a83b6edee24a91 100644
--- a/openair1/PHY/MODULATION/slot_fep_ul.c
+++ b/openair1/PHY/MODULATION/slot_fep_ul.c
@@ -44,7 +44,7 @@ int slot_fep_ul(RU_t *ru,
   unsigned int slot_offset;
 
 
-  void (*dft)(int16_t *,int16_t *, int);
+  dft_size_idx_t dftsize;
 
   int tmp_dft_in[2048] __attribute__ ((aligned (32)));  // This is for misalignment issues for 6 and 15 PRBs
   unsigned int frame_length_samples = fp->samples_per_tti * 10;
@@ -52,31 +52,31 @@ int slot_fep_ul(RU_t *ru,
 
   switch (fp->ofdm_symbol_size) {
   case 128:
-    dft = dft128;
+    dftsize = DFT_128;
     break;
 
   case 256:
-    dft = dft256;
+    dftsize = DFT_256;
     break;
 
   case 512:
-    dft = dft512;
+    dftsize = DFT_512;
     break;
 
   case 1024:
-    dft = dft1024;
+    dftsize = DFT_1024;
     break;
 
   case 1536:
-    dft = dft1536;
+    dftsize = DFT_1536;
     break;
 
   case 2048:
-    dft = dft2048;
+    dftsize = DFT_2048;
     break;
 
   default:
-    dft = dft512;
+    dftsize = DFT_512;
     break;
   }
 
@@ -109,7 +109,7 @@ int slot_fep_ul(RU_t *ru,
       LOG_D(PHY,"slot_fep: symbol 0 %d dB\n",
 	    dB_fixed(signal_energy(&common->rxdata_7_5kHz[aa][rx_offset],fp->ofdm_symbol_size)));
 #endif
-      dft( (int16_t *)&common->rxdata_7_5kHz[aa][rx_offset],
+      dft( dftsize,(int16_t *)&common->rxdata_7_5kHz[aa][rx_offset],
            (int16_t *)&common->rxdataF[aa][fp->ofdm_symbol_size*symbol],
            1
          );
@@ -121,13 +121,13 @@ int slot_fep_ul(RU_t *ru,
         memcpy((void *)&tmp_dft_in,
 	       (void *)&common->rxdata_7_5kHz[aa][(rx_offset % frame_length_samples)],
 	       fp->ofdm_symbol_size*sizeof(int));
-        dft( (short *) tmp_dft_in,
+        dft( dftsize,(short *) tmp_dft_in,
              (short*)  &common->rxdataF[aa][fp->ofdm_symbol_size*symbol],
              1
            );
       }
       else{
-      dft( (short *)&common->rxdata_7_5kHz[aa][rx_offset],
+      dft( dftsize,(short *)&common->rxdata_7_5kHz[aa][rx_offset],
            (short*)&common->rxdataF[aa][fp->ofdm_symbol_size*symbol],
            1
          );
diff --git a/openair1/PHY/TOOLS/lte_dfts.c b/openair1/PHY/TOOLS/oai_dfts.c
similarity index 99%
rename from openair1/PHY/TOOLS/lte_dfts.c
rename to openair1/PHY/TOOLS/oai_dfts.c
index 2de8653ab3900652e4e0ca8d95f0919c989709bd..0b65e7558d143378affce43b0990d8560b63110b 100644
--- a/openair1/PHY/TOOLS/lte_dfts.c
+++ b/openair1/PHY/TOOLS/oai_dfts.c
@@ -31,11 +31,10 @@
 #ifndef M_PI
 #define M_PI 3.14159265358979323846
 #endif
-
+#define OAIDFTS
 #ifndef MR_MAIN
 #include "PHY/defs_common.h"
 #include "PHY/impl_defs_top.h"
-#include "tools_defs.h"
 #else
 #include "time_meas.h"
 #include "LOG/log.h"
@@ -64,6 +63,9 @@ const static int16_t reflip[32]  __attribute__((aligned(32))) = {1,-1,1,-1,1,-1,
 
 
 
+
+
+
 #if defined(__x86_64__) || defined(__i386__)
 static inline void cmac(__m128i a,__m128i b, __m128i *re32, __m128i *im32) __attribute__((always_inline));
 static inline void cmac(__m128i a,__m128i b, __m128i *re32, __m128i *im32)
@@ -2588,7 +2590,7 @@ const static int16_t tw64c[96] __attribute__((aligned(32))) = {
 #endif
 
 #ifndef __AVX2__
-void dft64(int16_t *x,int16_t *y,int scale)
+void dft64(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd_q15_t xtmp[16],ytmp[16],*tw64a_128=(simd_q15_t *)tw64a,*tw64b_128=(simd_q15_t *)tw64b,*x128=(simd_q15_t *)x,*y128=(simd_q15_t *)y;
@@ -2702,7 +2704,7 @@ void dft64(int16_t *x,int16_t *y,int scale)
 }
 
 #else // __AVX2__
-void dft64(int16_t *x,int16_t *y,int scale)
+void dft64(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd256_q15_t xtmp[16],ytmp[16],*tw64a_256=(simd256_q15_t *)tw64a,*tw64b_256=(simd256_q15_t *)tw64b,*x256=(simd256_q15_t *)x,*y256=(simd256_q15_t *)y;
@@ -2850,7 +2852,7 @@ void dft64(int16_t *x,int16_t *y,int scale)
 #endif
 
 #ifndef __AVX2__
-void idft64(int16_t *x,int16_t *y,int scale)
+void idft64(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd_q15_t xtmp[16],ytmp[16],*tw64a_128=(simd_q15_t *)tw64,*tw64b_128=(simd_q15_t *)tw64c,*x128=(simd_q15_t *)x,*y128=(simd_q15_t *)y;
@@ -2942,7 +2944,7 @@ void idft64(int16_t *x,int16_t *y,int scale)
 }
 
 #else // __AVX2__
-void idft64(int16_t *x,int16_t *y,int scale)
+void idft64(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd256_q15_t xtmp[16],ytmp[16],*tw64a_256=(simd256_q15_t *)tw64,*tw64b_256=(simd256_q15_t *)tw64c,*x256=(simd256_q15_t *)x,*y256=(simd256_q15_t *)y;
@@ -3052,7 +3054,7 @@ int16_t tw128b[128] __attribute__((aligned(32))) = {0,32767,-1608,32727,-3212,32
 int16_t tw128c[128] __attribute__((aligned(32))) = {0,32767,1608,32727,3212,32609,4808,32412,6393,32137,7962,31785,9512,31356,11039,30851,12540,30272,14010,29621,15447,28897,16846,28105,18205,27244,19520,26318,20788,25329,22005,24278,23170,23169,24279,22004,25330,20787,26319,19519,27245,18204,28106,16845,28898,15446,29622,14009,30273,12539,30852,11038,31357,9511,31786,7961,32138,6392,32413,4807,32610,3211,32728,1607,32767,0,32728,-1608,32610,-3212,32413,-4808,32138,-6393,31786,-7962,31357,-9512,30852,-11039,30273,-12540,29622,-14010,28898,-15447,28106,-16846,27245,-18205,26319,-19520,25330,-20788,24279,-22005,23170,-23170,22005,-24279,20788,-25330,19520,-26319,18205,-27245,16846,-28106,15447,-28898,14010,-29622,12540,-30273,11039,-30852,9512,-31357,7962,-31786,6393,-32138,4808,-32413,3212,-32610,1608,-32728};
 
 #ifndef __AVX2__
-void dft128(int16_t *x,int16_t *y,int scale)
+void dft128(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simdshort_q15_t xtmp[64],*x64 = (simdshort_q15_t *)x;
@@ -3159,7 +3161,7 @@ void dft128(int16_t *x,int16_t *y,int scale)
 }
 
 #else // __AVX2__
-void dft128(int16_t *x,int16_t *y,int scale)
+void dft128(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd256_q15_t xtmp[16],*x256 = (simd256_q15_t *)x;
@@ -3229,7 +3231,7 @@ void dft128(int16_t *x,int16_t *y,int scale)
 #endif
 
 #ifndef __AVX2__
-void idft128(int16_t *x,int16_t *y,int scale)
+void idft128(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simdshort_q15_t xtmp[64],*x64 = (simdshort_q15_t *)x;
@@ -3328,7 +3330,7 @@ void idft128(int16_t *x,int16_t *y,int scale)
 }
 
 #else // __AVX2__
-void idft128(int16_t *x,int16_t *y,int scale)
+void idft128(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd256_q15_t xtmp[16],*x256 = (simd256_q15_t *)x;
@@ -3401,7 +3403,7 @@ int16_t tw256b[384] __attribute__((aligned(32))) = {0,32767,-805,32757,-1608,327
                                                     0,32767,-2411,32678,-4808,32412,-7180,31970,-9512,31356,-11793,30571,-14010,29621,-16151,28510,-18205,27244,-20160,25831,-22005,24278,-23732,22594,-25330,20787,-26790,18867,-28106,16845,-29269,14732,-30273,12539,-31114,10278,-31786,7961,-32285,5601,-32610,3211,-32758,804,-32728,-1608,-32521,-4012,-32138,-6393,-31581,-8740,-30852,-11039,-29956,-13279,-28898,-15447,-27684,-17531,-26319,-19520,-24812,-21403,-23170,-23170,-21403,-24812,-19520,-26319,-17531,-27684,-15447,-28898,-13279,-29956,-11039,-30852,-8740,-31581,-6393,-32138,-4012,-32521,-1608,-32728,804,-32758,3211,-32610,5601,-32285,7961,-31786,10278,-31114,12539,-30273,14732,-29269,16845,-28106,18867,-26790,20787,-25330,22594,-23732,24278,-22005,25831,-20160,27244,-18205,28510,-16151,29621,-14010,30571,-11793,31356,-9512,31970,-7180,32412,-4808,32678,-2411
                                                    };
 #ifndef __AVX2__
-void dft256(int16_t *x,int16_t *y,int scale)
+void dft256(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd_q15_t xtmp[64],ytmp[64],*tw256a_128p=(simd_q15_t *)tw256a,*tw256b_128p=(simd_q15_t *)tw256b,*x128=(simd_q15_t *)x,*y128=(simd_q15_t *)y,*y128p=(simd_q15_t *)y;
@@ -3513,7 +3515,7 @@ void dft256(int16_t *x,int16_t *y,int scale)
 
 
 
-void idft256(int16_t *x,int16_t *y,int scale)
+void idft256(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd_q15_t xtmp[64],ytmp[64],*tw256_128p=(simd_q15_t *)tw256,*x128=(simd_q15_t *)x,*y128=(simd_q15_t *)y,*y128p=(simd_q15_t *)y;
@@ -3571,7 +3573,7 @@ void idft256(int16_t *x,int16_t *y,int scale)
 
 #else //__AVX2__
 
-void dft256(int16_t *x,int16_t *y,int scale)
+void dft256(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd256_q15_t xtmp[32],ytmp[32],*tw256a_256p=(simd256_q15_t *)tw256a,*tw256b_256p=(simd256_q15_t *)tw256b,*x256=(simd256_q15_t *)x,*y256=(simd256_q15_t *)y,*y256p=(simd256_q15_t *)y;
@@ -3663,7 +3665,7 @@ void dft256(int16_t *x,int16_t *y,int scale)
 
 }
 
-void idft256(int16_t *x,int16_t *y,int scale)
+void idft256(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd256_q15_t xtmp[32],ytmp[32],*tw256_256p=(simd256_q15_t *)tw256,*x256=(simd256_q15_t *)x,*y256=(simd256_q15_t *)y,*y256p=(simd256_q15_t *)y;
@@ -3768,7 +3770,7 @@ int16_t tw512c[512] __attribute__((aligned(32))) = {
 };
 
 #ifndef __AVX2__
-void dft512(int16_t *x,int16_t *y,int scale)
+void dft512(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simdshort_q15_t xtmp[256],*xtmpp,*x64 = (simdshort_q15_t *)x;
@@ -3888,7 +3890,7 @@ void dft512(int16_t *x,int16_t *y,int scale)
 
 }
 
-void idft512(int16_t *x,int16_t *y,int scale)
+void idft512(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simdshort_q15_t xtmp[256],*xtmpp,*x64 = (simdshort_q15_t *)x;
@@ -3980,7 +3982,7 @@ void idft512(int16_t *x,int16_t *y,int scale)
 
 #else //__AVX2__
 
-void dft512(int16_t *x,int16_t *y,int scale)
+void dft512(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd256_q15_t xtmp[64],*x256 = (simd256_q15_t *)x;
@@ -4062,7 +4064,7 @@ void dft512(int16_t *x,int16_t *y,int scale)
 
 }
 
-void idft512(int16_t *x,int16_t *y,int scale)
+void idft512(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd256_q15_t xtmp[64],*x256 = (simd256_q15_t *)x;
@@ -4149,7 +4151,7 @@ void idft512(int16_t *x,int16_t *y,int scale)
 int16_t tw1024[1536] __attribute__((aligned(32)));
 
 #ifndef __AVX2__
-void dft1024(int16_t *x,int16_t *y,int scale)
+void dft1024(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd_q15_t xtmp[256],ytmp[256],*tw1024_128p=(simd_q15_t *)tw1024,*x128=(simd_q15_t *)x,*y128=(simd_q15_t *)y,*y128p=(simd_q15_t *)y;
@@ -4205,7 +4207,7 @@ void dft1024(int16_t *x,int16_t *y,int scale)
 
 }
 
-void idft1024(int16_t *x,int16_t *y,int scale)
+void idft1024(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd_q15_t xtmp[256],ytmp[256],*tw1024_128p=(simd_q15_t *)tw1024,*x128=(simd_q15_t *)x,*y128=(simd_q15_t *)y,*y128p=(simd_q15_t *)y;
@@ -4262,7 +4264,7 @@ void idft1024(int16_t *x,int16_t *y,int scale)
 }
 
 #else //__AVX2__
-void dft1024(int16_t *x,int16_t *y,int scale)
+void dft1024(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd256_q15_t xtmp[128],ytmp[128],*tw1024_256p=(simd256_q15_t *)tw1024,*x256=(simd256_q15_t *)x,*y256=(simd256_q15_t *)y,*y256p=(simd256_q15_t *)y;
@@ -4318,7 +4320,7 @@ void dft1024(int16_t *x,int16_t *y,int scale)
 
 }
 
-void idft1024(int16_t *x,int16_t *y,int scale)
+void idft1024(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd256_q15_t xtmp[128],ytmp[128],*tw1024_256p=(simd256_q15_t *)tw1024,*x256=(simd256_q15_t *)x,*y256=(simd256_q15_t *)y,*y256p=(simd256_q15_t *)y;
@@ -4378,7 +4380,7 @@ void idft1024(int16_t *x,int16_t *y,int scale)
 int16_t tw2048[2048] __attribute__((aligned(32)));
 
 #ifndef __AVX2__
-void dft2048(int16_t *x,int16_t *y,int scale)
+void dft2048(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simdshort_q15_t xtmp[1024],*xtmpp,*x64 = (simdshort_q15_t *)x;
@@ -4469,7 +4471,7 @@ void dft2048(int16_t *x,int16_t *y,int scale)
 
 }
 
-void idft2048(int16_t *x,int16_t *y,int scale)
+void idft2048(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simdshort_q15_t xtmp[1024],*xtmpp,*x64 = (simdshort_q15_t *)x;
@@ -4561,7 +4563,7 @@ void idft2048(int16_t *x,int16_t *y,int scale)
 
 #else // __AVX2__
 
-void dft2048(int16_t *x,int16_t *y,int scale)
+void dft2048(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd256_q15_t xtmp[256],*xtmpp,*x256 = (simd256_q15_t *)x;
@@ -4652,7 +4654,7 @@ void dft2048(int16_t *x,int16_t *y,int scale)
 
 }
 
-void idft2048(int16_t *x,int16_t *y,int scale)
+void idft2048(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd256_q15_t xtmp[256],*xtmpp,*x256 = (simd256_q15_t *)x;
@@ -4749,7 +4751,7 @@ void idft2048(int16_t *x,int16_t *y,int scale)
 int16_t tw4096[3*2*1024];
 
 #ifndef __AVX2__
-void dft4096(int16_t *x,int16_t *y,int scale)
+void dft4096(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd_q15_t xtmp[1024],ytmp[1024],*tw4096_128p=(simd_q15_t *)tw4096,*x128=(simd_q15_t *)x,*y128=(simd_q15_t *)y,*y128p=(simd_q15_t *)y;
@@ -4807,7 +4809,7 @@ void dft4096(int16_t *x,int16_t *y,int scale)
 
  
 
-void idft4096(int16_t *x,int16_t *y,int scale)
+void idft4096(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd_q15_t xtmp[1024],ytmp[1024],*tw4096_128p=(simd_q15_t *)tw4096,*x128=(simd_q15_t *)x,*y128=(simd_q15_t *)y,*y128p=(simd_q15_t *)y;
@@ -4864,7 +4866,7 @@ void idft4096(int16_t *x,int16_t *y,int scale)
 }
 
 #else //__AVX2__
-void dft4096(int16_t *x,int16_t *y,int scale)
+void dft4096(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd256_q15_t xtmp[512],ytmp[512],*tw4096_256p=(simd256_q15_t *)tw4096,*x256=(simd256_q15_t *)x,*y256=(simd256_q15_t *)y,*y256p=(simd256_q15_t *)y;
@@ -4920,7 +4922,7 @@ void dft4096(int16_t *x,int16_t *y,int scale)
 
 }
 
-void idft4096(int16_t *x,int16_t *y,int scale)
+void idft4096(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd256_q15_t xtmp[512],ytmp[512],*tw4096_256p=(simd256_q15_t *)tw4096,*x256=(simd256_q15_t *)x,*y256=(simd256_q15_t *)y,*y256p=(simd256_q15_t *)y;
@@ -4982,7 +4984,7 @@ void idft4096(int16_t *x,int16_t *y,int scale)
 int16_t tw8192[2*4096] __attribute__((aligned(32)));
 
 #ifndef __AVX2__
-void dft8192(int16_t *x,int16_t *y,int scale)
+void dft8192(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simdshort_q15_t xtmp[4096],*xtmpp,*x64 = (simdshort_q15_t *)x;
@@ -5072,7 +5074,7 @@ void dft8192(int16_t *x,int16_t *y,int scale)
 
 }
 
-void idft8192(int16_t *x,int16_t *y,int scale)
+void idft8192(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simdshort_q15_t xtmp[4096],*xtmpp,*x64 = (simdshort_q15_t *)x;
@@ -5163,7 +5165,7 @@ void idft8192(int16_t *x,int16_t *y,int scale)
 }
 
 #else // __AVX2__
-void dft8192(int16_t *x,int16_t *y,int scale)
+void dft8192(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd256_q15_t xtmp[1024],*xtmpp,*x256 = (simd256_q15_t *)x;
@@ -5254,7 +5256,7 @@ void dft8192(int16_t *x,int16_t *y,int scale)
 
 }
 
-void idft8192(int16_t *x,int16_t *y,int scale)
+void idft8192(int16_t *x,int16_t *y,unsigned char scale)
 {
 
   simd256_q15_t xtmp[1024],*xtmpp,*x256 = (simd256_q15_t *)x;
@@ -5350,7 +5352,7 @@ void idft8192(int16_t *x,int16_t *y,int scale)
 int16_t twa1536[1024],twb1536[1024];
 
 // 512 x 3
-void idft1536(int16_t *input, int16_t *output, int scale)
+void idft1536(int16_t *input, int16_t *output, unsigned char scale)
 {
   int i,i2,j;
   uint32_t tmp[3][512 ]__attribute__((aligned(32)));
@@ -5402,7 +5404,7 @@ void idft1536(int16_t *input, int16_t *output, int scale)
 
 }
 
-void dft1536(int16_t *input, int16_t *output, int scale)
+void dft1536(int16_t *input, int16_t *output, unsigned char scale)
 {
   int i,i2,j;
   uint32_t tmp[3][512] __attribute__((aligned(32)));
@@ -5467,7 +5469,7 @@ void dft1536(int16_t *input, int16_t *output, int scale)
 int16_t twa3072[2048] __attribute__((aligned(32)));
 int16_t twb3072[2048] __attribute__((aligned(32)));
 // 1024 x 3
-void dft3072(int16_t *input, int16_t *output,int scale)
+void dft3072(int16_t *input, int16_t *output,unsigned char scale)
 {
   int i,i2,j;
   uint32_t tmp[3][1024] __attribute__((aligned(32)));
@@ -5517,7 +5519,7 @@ void dft3072(int16_t *input, int16_t *output,int scale)
   _m_empty();
 }
 
-void idft3072(int16_t *input, int16_t *output,int scale)
+void idft3072(int16_t *input, int16_t *output,unsigned char scale)
 {
   int i,i2,j;
   uint32_t tmp[3][1024]__attribute__((aligned(32)));
@@ -5571,7 +5573,7 @@ void idft3072(int16_t *input, int16_t *output,int scale)
 int16_t twa6144[4096] __attribute__((aligned(32)));
 int16_t twb6144[4096] __attribute__((aligned(32)));
 
-void idft6144(int16_t *input, int16_t *output,int scale)
+void idft6144(int16_t *input, int16_t *output,unsigned char scale)
 {
   int i,i2,j;
   uint32_t tmp[3][2048] __attribute__((aligned(32)));
@@ -5631,7 +5633,7 @@ void idft6144(int16_t *input, int16_t *output,int scale)
 }
 
 
-void dft6144(int16_t *input, int16_t *output,int scale)
+void dft6144(int16_t *input, int16_t *output,unsigned char scale)
 {
   int i,i2,j;
   uint32_t tmp[3][2048] __attribute__((aligned(32)));
@@ -5708,7 +5710,7 @@ void idft9216(int16_t *input, int16_t *output,int scale) {
 int16_t twa12288[8192] __attribute__((aligned(32)));
 int16_t twb12288[8192] __attribute__((aligned(32)));
 // 4096 x 3
-void dft12288(int16_t *input, int16_t *output,int scale)
+void dft12288(int16_t *input, int16_t *output,unsigned char scale)
 {
   int i,i2,j;
   uint32_t tmp[3][4096] __attribute__((aligned(32)));
@@ -5768,7 +5770,7 @@ void dft12288(int16_t *input, int16_t *output,int scale)
 
 }
 
-void idft12288(int16_t *input, int16_t *output,int scale)
+void idft12288(int16_t *input, int16_t *output,unsigned char scale)
 {
   int i,i2,j;
   uint32_t tmp[3][4096] __attribute__((aligned(32)));
@@ -5832,7 +5834,7 @@ void idft12288(int16_t *input, int16_t *output,int scale)
 int16_t twa18432[12288] __attribute__((aligned(32)));
 int16_t twb18432[12288] __attribute__((aligned(32)));
 // 6144 x 3
-void dft18432(int16_t *input, int16_t *output,int scale) {
+void dft18432(int16_t *input, int16_t *output,unsigned char scale) {
 
   int i,i2,j;
   uint32_t tmp[3][6144] __attribute__((aligned(32)));
@@ -5880,7 +5882,7 @@ void dft18432(int16_t *input, int16_t *output,int scale) {
   _m_empty();
 }
 
-void idft18432(int16_t *input, int16_t *output,int scale) {
+void idft18432(int16_t *input, int16_t *output,unsigned char scale) {
 
   int i,i2,j;
   uint32_t tmp[3][6144] __attribute__((aligned(32)));
@@ -5932,7 +5934,7 @@ void idft18432(int16_t *input, int16_t *output,int scale) {
 int16_t twa24576[16384] __attribute__((aligned(32)));
 int16_t twb24576[16384] __attribute__((aligned(32)));
 // 8192 x 3
-void dft24576(int16_t *input, int16_t *output,int scale)
+void dft24576(int16_t *input, int16_t *output,unsigned char scale)
 {
   int i,i2,j;
   uint32_t tmp[3][8192] __attribute__((aligned(32)));
@@ -5995,7 +5997,7 @@ void dft24576(int16_t *input, int16_t *output,int scale)
   }
 }
 
-void idft24576(int16_t *input, int16_t *output,int scale)
+void idft24576(int16_t *input, int16_t *output,unsigned char scale)
 {
   int i,i2,j;
   uint32_t tmp[3][8192] __attribute__((aligned(32)));
@@ -6259,7 +6261,7 @@ static inline void dft12f(simd_q15_t *x0,
 
 
 
-void dft12(int16_t *x,int16_t *y)
+void dft12(int16_t *x,int16_t *y ,unsigned char scale_flag)
 {
 
   simd_q15_t *x128 = (simd_q15_t *)x,*y128 = (simd_q15_t *)y;
@@ -8711,7 +8713,8 @@ void init_rad5_rep(int N,int16_t *twa,int16_t *twb,int16_t *twc,int16_t *twd) {
     twd+=8;
   }
 }
-
+/*----------------------------------------------------------------*/
+/* dft library entry points:                                      */
 
 void init_dfts(void)
 {
@@ -8760,9 +8763,22 @@ void init_dfts(void)
   init_rad3_rep(1080,twa1080,twb1080);
   init_rad4_rep(1152,twa1152,twb1152,twc1152);
   init_rad4_rep(1200,twa1200,twb1200,twc1200);
+
 }
 
-//#undef round
+
+void dft(uint8_t sizeidx, int16_t *sigF,int16_t *sig,unsigned char scale_flag){
+	AssertFatal((sizeidx>=0 && sizeidx<(int)DFT_SIZE_IDXTABLESIZE),"Invalid dft size index %i\n",sizeidx);
+	dft_ftab[sizeidx](sigF,sig,scale_flag);
+};
+
+void idft(uint8_t sizeidx, int16_t *sigF,int16_t *sig,unsigned char scale_flag){
+	AssertFatal((sizeidx>=0 && sizeidx<(int)IDFT_SIZE_IDXTABLESIZE),"Invalid idft size index %i\n",sizeidx);
+	idft_ftab[sizeidx](sigF,sig,scale_flag);
+};
+
+/*---------------------------------------------------------------------------------------*/
+
 
 #ifdef MR_MAIN
 #include <string.h>
diff --git a/openair1/PHY/TOOLS/tools_defs.h b/openair1/PHY/TOOLS/tools_defs.h
index d753b501b6e7de816f201e98101b483c57211a91..eb94f2dc4b9af2883a792715076335e31e7bc7f0 100644
--- a/openair1/PHY/TOOLS/tools_defs.h
+++ b/openair1/PHY/TOOLS/tools_defs.h
@@ -179,29 +179,234 @@ This function performs optimized fixed-point radix-2 FFT/IFFT.
         );
 */
 
-void idft1536(int16_t *sigF,int16_t *sig,int scale);
 
-void idft6144(int16_t *sigF,int16_t *sig,int scale);
 
-void idft12288(int16_t *sigF,int16_t *sig,int scale);
 
-void idft18432(int16_t *sigF,int16_t *sig,int scale);
 
-void idft3072(int16_t *sigF,int16_t *sig,int scale);
 
-void idft24576(int16_t *sigF,int16_t *sig,int scale);
 
-void dft1536(int16_t *sigF,int16_t *sig,int scale);
 
-void dft3072(int16_t *sigF,int16_t *sig,int scale);
+#ifdef OAIDFTS
+typedef  void(*adftfunc_t)(int16_t *sigF,int16_t *sig,unsigned char scale_flag);  
+typedef  void(*aidftfunc_t)(int16_t *sigF,int16_t *sig,unsigned char scale_flag);     
 
-void dft6144(int16_t *sigF,int16_t *sig,int scale);
+void dft12(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft24(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft36(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft48(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft60(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft72(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft96(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft108(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft120(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft144(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft180(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft192(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft216(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft240(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft288(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft300(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft324(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft360(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft384(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft432(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft480(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft540(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft576(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft600(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft648(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft720(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft768(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft864(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft900(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft960(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft972(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft1080(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft1152(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft1200(int16_t *x,int16_t *y,uint8_t scale_flag);
+
+void dft64(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft128(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft256(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft512(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft1024(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft2048(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft4096(int16_t *x,int16_t *y,uint8_t scale_flag);
+void dft8192(int16_t *x,int16_t *y,uint8_t scale_flag);
+
+void idft64(int16_t *x,int16_t *y,uint8_t scale_flag);
+void idft128(int16_t *x,int16_t *y,uint8_t scale_flag);
+void idft256(int16_t *x,int16_t *y,uint8_t scale_flag);
+void idft512(int16_t *x,int16_t *y,uint8_t scale_flag);
+void idft1024(int16_t *x,int16_t *y,uint8_t scale_flag);
+void idft2048(int16_t *x,int16_t *y,uint8_t scale_flag);
+void idft4096(int16_t *x,int16_t *y,uint8_t scale_flag);
+void idft8192(int16_t *x,int16_t *y,uint8_t scale_flag);
+
+void idft1536(int16_t *sigF,int16_t *sig,uint8_t scale_flag);
+void idft6144(int16_t *sigF,int16_t *sig,uint8_t scale_flag);
+void idft12288(int16_t *sigF,int16_t *sig,uint8_t scale_flag);
+void idft18432(int16_t *sigF,int16_t *sig,uint8_t scale_flag);
+void idft3072(int16_t *sigF,int16_t *sig,uint8_t scale_flag);
+void idft24576(int16_t *sigF,int16_t *sig,uint8_t scale_flag);
+
+void dft1536(int16_t *sigF,int16_t *sig,uint8_t scale_flag);
+void dft3072(int16_t *sigF,int16_t *sig,uint8_t scale_flag);
+void dft6144(int16_t *sigF,int16_t *sig,uint8_t scale_flag);
+void dft12288(int16_t *sigF,int16_t *sig,uint8_t scale_flag);
+void dft18432(int16_t *sigF,int16_t *sig,uint8_t scale_flag);
+void dft24576(int16_t *sigF,int16_t *sig,uint8_t scale_flag);
+#else
+typedef  void(*dftfunc_t)(uint8_t sizeidx,int16_t *sigF,int16_t *sig,unsigned char scale_flag);  
+typedef  void(*idftfunc_t)(uint8_t sizeidx,int16_t *sigF,int16_t *sig,unsigned char scale_flag);     
+extern dftfunc_t dft;
+extern idftfunc_t idft;
+#endif
 
-void dft12288(int16_t *sigF,int16_t *sig,int scale);
+typedef enum DFT_size_idx {
+	DFT_12,
+	DFT_24,
+	DFT_36,
+	DFT_48,
+	DFT_60,
+	DFT_72,
+	DFT_96,
+	DFT_108,
+	DFT_120,
+	DFT_128,
+	DFT_144,
+	DFT_180,
+	DFT_192,
+	DFT_216,
+	DFT_240,
+	DFT_256,
+	DFT_288,
+	DFT_300,
+	DFT_324,
+	DFT_360,
+	DFT_384,
+	DFT_432,
+	DFT_480,
+	DFT_512,
+	DFT_540,
+	DFT_576,
+	DFT_600,
+	DFT_648,
+	DFT_720,
+	DFT_768,
+	DFT_864,
+	DFT_900,
+	DFT_960,
+	DFT_972,
+	DFT_1024,
+	DFT_1080,
+	DFT_1152,
+	DFT_1200,
+	DFT_1536,
+	DFT_2048,
+	DFT_3072,
+	DFT_4096,
+	DFT_6144,
+	DFT_8192,  
+	DFT_12288,
+	DFT_18432,
+	DFT_24576,
+	DFT_SIZE_IDXTABLESIZE,
+} dft_size_idx_t;
+
+#ifdef OAIDFTS
+adftfunc_t dft_ftab[]={
+	dft12,
+	dft24,
+	dft36,
+	dft48,
+	dft60,
+	dft72,
+	dft96,
+	dft108,
+	dft120,
+	dft128,
+	dft144,
+	dft180,
+	dft192,
+	dft216,
+	dft240,   
+	dft256,
+	dft288,
+	dft300,
+	dft324,
+	dft360,
+	dft384,
+	dft432,
+	dft480,
+	dft512,
+	dft540,
+	dft576,
+	dft600,
+	dft648,
+	dft720,
+	dft768,
+	dft864,
+	dft900,
+	dft960,
+	dft972,   
+	dft1024,
+	dft1080,
+	dft1152,
+	dft1200,		   
+	dft1536,
+	dft2048,
+        dft3072,
+	dft4096,
+	dft6144,   
+	dft8192,     
+	dft12288,
+	dft18432,
+	dft24576,
+};
+#endif
 
-void dft18432(int16_t *sigF,int16_t *sig,int scale);
+typedef enum idft_size_idx {
+	IDFT_128,
+	IDFT_256,
+	IDFT_288,
+	IDFT_300,
+	IDFT_324,
+	IDFT_360,
+	IDFT_384,
+	IDFT_432,
+	IDFT_480,
+	IDFT_512,
+	IDFT_1024,
+	IDFT_1536,
+	IDFT_2048,
+	IDFT_3072,
+	IDFT_4096,
+	IDFT_6144,
+	IDFT_8192,  
+	IDFT_12288,
+	IDFT_18432,
+	IDFT_24576,
+	IDFT_SIZE_IDXTABLESIZE,
+} idft_size_idx_t;
+#ifdef OAIDFTS
+aidftfunc_t idft_ftab[]={
+        idft128,      
+	idft256,
+	idft512,	
+	idft1024,		      
+	idft1536,
+	idft2048,
+        idft3072, 
+	idft4096,
+	idft6144,     
+	idft8192,	
+	idft12288,
+	idft18432,
+	idft24576,
+};
+#endif
 
-void dft24576(int16_t *sigF,int16_t *sig,int scale);
 
 void dft49152(int16_t *sigF,int16_t *sig,int scale);
 void idft49152(int16_t *sigF,int16_t *sig,int scale);
@@ -387,57 +592,7 @@ int64_t dot_product64(int16_t *x,
                       uint32_t N, //must be a multiple of 8
                       uint8_t output_shift);
 
-void dft12(int16_t *x,int16_t *y);
-void dft24(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft36(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft48(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft60(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft72(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft96(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft108(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft120(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft144(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft180(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft192(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft216(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft240(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft288(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft300(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft324(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft360(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft384(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft432(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft480(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft540(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft576(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft600(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft648(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft720(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft768(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft864(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft900(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft960(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft972(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft1080(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft1152(int16_t *x,int16_t *y,uint8_t scale_flag);
-void dft1200(int16_t *x,int16_t *y,uint8_t scale_flag);
 
-void dft64(int16_t *x,int16_t *y,int scale);
-void dft128(int16_t *x,int16_t *y,int scale);
-void dft256(int16_t *x,int16_t *y,int scale);
-void dft512(int16_t *x,int16_t *y,int scale);
-void dft1024(int16_t *x,int16_t *y,int scale);
-void dft2048(int16_t *x,int16_t *y,int scale);
-void dft4096(int16_t *x,int16_t *y,int scale);
-void dft8192(int16_t *x,int16_t *y,int scale);
-void idft64(int16_t *x,int16_t *y,int scale);
-void idft128(int16_t *x,int16_t *y,int scale);
-void idft256(int16_t *x,int16_t *y,int scale);
-void idft512(int16_t *x,int16_t *y,int scale);
-void idft1024(int16_t *x,int16_t *y,int scale);
-void idft2048(int16_t *x,int16_t *y,int scale);
-void idft4096(int16_t *x,int16_t *y,int scale);
-void idft8192(int16_t *x,int16_t *y,int scale);
 /** @} */