From: Hugo Villeneuve <hugo@hugovil.com>
Date: Mon, 5 Sep 2011 15:15:27 +0000 (-0400)
Subject: Fix GCC warnings for variably modified arrays
X-Git-Url: http://gitweb.hugovil.com/?p=hvgrip.git;a=commitdiff_plain;h=4072fbe804677b7a8e50fc594fd01719e5fc7d76

Fix GCC warnings for variably modified arrays
---

diff --git a/src/gain_analysis.c b/src/gain_analysis.c
index a28101e..85b006a 100644
--- a/src/gain_analysis.c
+++ b/src/gain_analysis.c
@@ -98,13 +98,13 @@ typedef signed int      Int32_t;
 #define YULE_ORDER         10
 #define BUTTER_ORDER        2
 #define RMS_PERCENTILE      0.95        // percentile which is louder than the proposed level
-#define MAX_SAMP_FREQ   48000.          // maximum allowed sample frequency [Hz]
-#define RMS_WINDOW_TIME     0.050       // Time slice size [s]
-#define STEPS_per_dB      100.          // Table entries per dB
-#define MAX_dB            120.          // Table entries for 0...MAX_dB (normal max. values are 70...80 dB)
+#define MAX_SAMP_FREQ   48000           // maximum allowed sample frequency [Hz]
+#define RMS_WINDOW_TIME    50           // Time slice size [ms]
+#define STEPS_per_dB      100           // Table entries per dB
+#define MAX_dB            120           // Table entries for 0...MAX_dB (normal max. values are 70...80 dB)
 
 #define MAX_ORDER               (BUTTER_ORDER > YULE_ORDER ? BUTTER_ORDER : YULE_ORDER)
-#define MAX_SAMPLES_PER_WINDOW  (size_t) (MAX_SAMP_FREQ * RMS_WINDOW_TIME)      // max. Samples per Time slice
+#define MAX_SAMPLES_PER_WINDOW  (MAX_SAMP_FREQ * RMS_WINDOW_TIME / 1000)      // max. Samples per Time slice
 #define PINK_REF                64.82 //298640883795                              // calibration value
 
 Float_t          linprebuf [MAX_ORDER * 2];
@@ -223,7 +223,7 @@ ResetSampleFrequency ( long samplefreq ) {
         default:    return INIT_GAIN_ANALYSIS_ERROR;
     }
 
-    sampleWindow = (int) ceil (samplefreq * RMS_WINDOW_TIME);
+    sampleWindow = (int) ceil (samplefreq * ( (float_t) RMS_WINDOW_TIME) / 1000);
 
     lsum         = 0.;
     rsum         = 0.;
@@ -314,7 +314,7 @@ AnalyzeSamples ( const Float_t* left_samples, const Float_t* right_samples, size
         cursamplepos += cursamples;
         totsamp      += cursamples;
         if ( totsamp == sampleWindow ) {  // Get the Root Mean Square (RMS) for this set of samples
-            double  val  = STEPS_per_dB * 10. * log10 ( (lsum+rsum) / totsamp * 0.5 + 1.e-37 );
+            double  val  = (float_t) STEPS_per_dB * 10. * log10 ( (lsum+rsum) / totsamp * 0.5 + 1.e-37 );
             int     ival = (int) val;
             if ( ival <                     0 ) ival = 0;
             if ( ival >= sizeof(A)/sizeof(*A) ) ival = sizeof(A)/sizeof(*A) - 1;