From 1576783017e70865d545d8bc5e07b817deeea98b Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Sat, 30 Apr 2022 16:58:01 +0200
Subject: [PATCH] add some missing prototypes

---
 src/maths/dense/dense.c      | 4 ++++
 src/spicelib/analysis/span.c | 7 +++++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/maths/dense/dense.c b/src/maths/dense/dense.c
index 53a890b0d..d6afe5c54 100644
--- a/src/maths/dense/dense.c
+++ b/src/maths/dense/dense.c
@@ -8,6 +8,10 @@
 #include "ngspice/bool.h"
 #include "ngspice/iferrmsg.h"
 
+cplx cdet(CMat* M);
+double det(Mat* M);
+void resizecmat(CMat* A, int r, int c);
+
 void showmat(Mat* A) {
 	if (A->row > 0 && A->col > 0) {
 
diff --git a/src/spicelib/analysis/span.c b/src/spicelib/analysis/span.c
index b5959cc3d..65e9511e2 100644
--- a/src/spicelib/analysis/span.c
+++ b/src/spicelib/analysis/span.c
@@ -27,8 +27,11 @@
 #include "../maths/dense/dense.h"
 #include "../maths/dense/denseinlines.h"
 
-
-
+int CKTspnoise(CKTcircuit* ckt, int mode, int operation, Ndata* data, NOISEAN* noisean);
+int NInspIter(CKTcircuit* ckt, VSRCinstance* port);
+int initSPmatrix(CKTcircuit* ckt, int doNoise);
+void deleteSPmatrix(CKTcircuit* ckt);
+NOISEAN* SPcreateNoiseAnalysys(CKTcircuit* ckt);
 
 #define INIT_STATS() \
 do { \