From 72e3330a023409b24b5b22e87e72a4c2f7275b1b Mon Sep 17 00:00:00 2001
From: Jan Buethe <jbuethe@amazon.de>
Date: Fri, 24 Nov 2023 16:28:55 +0100
Subject: [PATCH] added some const qualifiers

---
 dnn/adaconvtest.c |  2 +-
 dnn/nndsp.c       | 23 ++++++++++++-----------
 dnn/nndsp.h       | 23 ++++++++++++-----------
 3 files changed, 25 insertions(+), 23 deletions(-)

diff --git a/dnn/adaconvtest.c b/dnn/adaconvtest.c
index d7965d8df..e02d539b8 100644
--- a/dnn/adaconvtest.c
+++ b/dnn/adaconvtest.c
@@ -207,7 +207,7 @@ void adacomb_compare(
         }
 
         adacomb_process_frame(hAdaComb, x_out, x_in, features, kernel_layer, gain_layer, global_gain_layer,
-            pitch_lag, frame_size, overlap_size, kernel_size, left_padding, filter_gain_a, filter_gain_b, log_gain_limit, NULL);
+            pitch_lag, feature_dim, frame_size, overlap_size, kernel_size, left_padding, filter_gain_a, filter_gain_b, log_gain_limit, NULL);
 
 
         mse = 0;
diff --git a/dnn/nndsp.c b/dnn/nndsp.c
index 6283ff847..265ae6cab 100644
--- a/dnn/nndsp.c
+++ b/dnn/nndsp.c
@@ -19,7 +19,7 @@ void init_adacomb_state(AdaCombState *hAdaComb)
 }
 
 #ifdef DEBUG_NNDSP
-void print_float_vector(const char* name, float *vec, int length)
+void print_float_vector(const char* name, const float *vec, int length)
 {
     for (int i = 0; i < length; i ++)
     {
@@ -83,11 +83,11 @@ static void transform_gains(
 void adaconv_process_frame(
     AdaConvState* hAdaConv,
     float *x_out,
-    float *x_in,
-    float *features,
-    LinearLayer *kernel_layer,
-    LinearLayer *gain_layer,
-    int feature_dim, // not strictly necessary
+    const float *x_in,
+    const float *features,
+    const LinearLayer *kernel_layer,
+    const LinearLayer *gain_layer,
+    int feature_dim,
     int frame_size,
     int overlap_size,
     int in_channels,
@@ -198,12 +198,13 @@ void adaconv_process_frame(
 void adacomb_process_frame(
     AdaCombState* hAdaComb,
     float *x_out,
-    float *x_in,
-    float *features,
-    LinearLayer *kernel_layer,
-    LinearLayer *gain_layer,
-    LinearLayer *global_gain_layer,
+    const float *x_in,
+    const float *features,
+    const LinearLayer *kernel_layer,
+    const LinearLayer *gain_layer,
+    const LinearLayer *global_gain_layer,
     int pitch_lag,
+    int feature_dim,
     int frame_size,
     int overlap_size,
     int kernel_size,
diff --git a/dnn/nndsp.h b/dnn/nndsp.h
index 9d7c3b2ed..6846a101d 100644
--- a/dnn/nndsp.h
+++ b/dnn/nndsp.h
@@ -17,12 +17,12 @@
 #define ADACOMB_MAX_FRAME_SIZE 80
 #define ADACOMB_MAX_OVERLAP_SIZE 40
 
-// #define DEBUG_NNDSP
+//#define DEBUG_NNDSP
 #ifdef DEBUG_NNDSP
 #include <stdio.h>
 #endif
 
-void print_float_vector(const char* name, float *vec, int length);
+void print_float_vector(const char* name, const float *vec, int length);
 
 typedef struct {
     float history[ADACONV_MAX_KERNEL_SIZE * ADACONV_MAX_INPUT_CHANNELS];
@@ -46,10 +46,10 @@ void init_adacomb_state(AdaCombState *hAdaComb);
 void adaconv_process_frame(
     AdaConvState* hAdaConv,
     float *x_out,
-    float *x_in,
-    float *features,
-    LinearLayer *kernel_layer,
-    LinearLayer *gain_layer,
+    const float *x_in,
+    const float *features,
+    const LinearLayer *kernel_layer,
+    const LinearLayer *gain_layer,
     int feature_dim, // not strictly necessary
     int frame_size,
     int overlap_size,
@@ -66,12 +66,13 @@ void adaconv_process_frame(
 void adacomb_process_frame(
     AdaCombState* hAdaComb,
     float *x_out,
-    float *x_in,
-    float *features,
-    LinearLayer *kernel_layer,
-    LinearLayer *gain_layer,
-    LinearLayer *global_gain_layer,
+    const float *x_in,
+    const float *features,
+    const LinearLayer *kernel_layer,
+    const LinearLayer *gain_layer,
+    const LinearLayer *global_gain_layer,
     int pitch_lag,
+    int feature_dim,
     int frame_size,
     int overlap_size,
     int kernel_size,