# HG changeset patch
# User John W. Eaton <jwe@octave.org>
# Date 1444340481 14400
# Node ID 647db46ad754c61bfd363b4ea453e226378784cd
# Parent  7374a3a6d5946c3c259c59f9dccc5558d291d08c
eliminate more simple uses of error_state

* audioread.cc: Eliminate simple uses of error_state.

diff -r 7374a3a6d594 -r 647db46ad754 libinterp/dldfcn/audioread.cc
--- a/libinterp/dldfcn/audioread.cc	Thu Oct 08 17:26:40 2015 -0400
+++ b/libinterp/dldfcn/audioread.cc	Thu Oct 08 17:41:21 2015 -0400
@@ -84,9 +84,6 @@
 
   std::string filename = args(0).string_value ();
 
-  if (error_state)
-    return retval;
-
   SF_INFO info;
   info.format = 0;
   SNDFILE *file = sf_open (filename.c_str (), SFM_READ, &info);
@@ -112,9 +109,6 @@
     {
       RowVector range = args(1).row_vector_value ();
 
-      if (error_state)
-        return retval;
-
       if (range.numel () != 2)
         {
           error ("audioread: invalid specification for range of frames");
@@ -159,9 +153,6 @@
       else
         type = args(1).string_value ();
 
-      if (error_state)
-        return retval;
-
       if (type == "native")
         {
           switch (info.format & SF_FORMAT_SUBMASK)
@@ -301,14 +292,8 @@
 
   std::string filename = args(0).string_value ();
 
-  if (error_state)
-    return retval;
-
   Matrix audio = args(1).matrix_value ();
 
-  if (error_state)
-    return retval;
-
   double bias = 0.0;
   double scale = 1.0;
 
@@ -326,9 +311,6 @@
 
   int samplerate = args(2).int_value ();
 
-  if (error_state)
-    return retval;
-
   std::string ext;
   size_t dotpos = filename.find_last_of (".");
   if (dotpos != std::string::npos)
@@ -498,9 +480,6 @@
 
   std::string filename = args(0).string_value ();
 
-  if (error_state)
-    return retval;
-
   SF_INFO info;
   info.format = 0;
   SNDFILE *file = sf_open (filename.c_str (), SFM_READ, &info);