Fix fixed-step file creation, bump version

dpryan79 · Jan 12, 2016 · d9c02b6 · d9c02b6
1 parent d366e44
commit d9c02b6
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/bigWig.h b/bigWig.h
@@ -41,7 +41,7 @@
 /*!
  * The library version number
  */
-#define LIBBIGWIG_VERSION 0.1.2
+#define LIBBIGWIG_VERSION 0.1.3
 
 /*!
  * The magic number of a bigWig file.

diff --git a/bwWrite.c b/bwWrite.c
@@ -509,7 +509,7 @@ int bwAddIntervalSpanSteps(bigWigFile_t *fp, char *chrom, uint32_t start, uint32
 
     for(i=0; i<n; i++) {
         if(wb->l + 4 >= fp->hdr->bufSize) {
-            wb->end = wb->start + (wb->l>>2) + step;
+            wb->end = wb->start + ((wb->l-24)>>2) * step;
             flushBuffer(fp);
             wb->start = wb->end;
         }
@@ -532,7 +532,7 @@ int bwAppendIntervalSpanSteps(bigWigFile_t *fp, float *values, uint32_t n) {
 
     for(i=0; i<n; i++) {
         if(wb->l + 4 >= fp->hdr->bufSize) {
-            wb->end = wb->start + (wb->l>>2) + wb->step;
+            wb->end = wb->start + ((wb->l-24)>>2) * wb->step;
             flushBuffer(fp);
             wb->start = wb->end;
         }