From 063b20be98747ba0b288545e653ef9489bf14a54 Mon Sep 17 00:00:00 2001
From: y-jan137 <yousefjan24000@gmail.com>
Date: Wed, 18 Mar 2026 14:04:47 +0300
Subject: Replace DynMLP with DynNet

---
 include/dynnet.h | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 include/dynnet.h

(limited to 'include/dynnet.h')

diff --git a/include/dynnet.h b/include/dynnet.h
new file mode 100644
index 0000000..966c239
--- /dev/null
+++ b/include/dynnet.h
@@ -0,0 +1,50 @@
+#pragma once
+
+#include "utils.h"
+
+typedef struct {
+    void (*forward)(const void *cfg, const double *theta,
+                    const double *in, double *out, double *workspace);
+    void (*vjp)(const void *cfg, const double *theta,
+                const double *in, const double *v_out,
+                double *v_in, double *v_theta, double *workspace);
+    int (*nparams)(const void *cfg);
+    int (*workspace_size)(const void *cfg);
+} LayerOps;
+
+typedef struct DynNet {
+    int num_layers;
+    const LayerOps **ops;
+    void **layer_configs;
+    int *param_offsets;
+    int *ws_offsets;
+    int *in_dims;
+    int total_params;
+    int total_workspace;
+    int v_buf_offset;
+    int max_dim;
+    int D;
+    double current_t;
+    /* build state (non-null before finalize) */
+    void *_pre;
+    int _pre_n, _pre_cap, _cur_dim;
+} DynNet;
+
+DynNet *dynnet_create(int D);
+void dynnet_add_linear(DynNet *net, int out_dim);
+void dynnet_add_tanh(DynNet *net);
+void dynnet_add_softplus(DynNet *net);
+void dynnet_add_swish(DynNet *net);
+void dynnet_add_layernorm(DynNet *net);
+void dynnet_add_residual_begin(DynNet *net);
+void dynnet_add_residual_end(DynNet *net);
+void dynnet_add_time_concat(DynNet *net);
+void dynnet_finalize(DynNet *net);
+void dynnet_init_params(DynNet *net, double *theta, RNG *r);
+void dynnet_free(DynNet *net);
+
+void dynnet_forward(DynNet *net, const double *theta,
+                    const double *z, double t, double *out, double *workspace);
+void dynnet_vjp(DynNet *net, const double *theta,
+                const double *z, double t, const double *v,
+                double *vjp_z, double *vjp_theta, double *workspace);
-- 
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