Add updated netlib dtoa.c from https://netlib.sandia.gov/fp/dtoa.c

Co-authored-by: Jesper Lundgren <jesperlundgren@exosite.com>

1 files changed, 11 insertions, 1 deletions

diff --git a/fpconv.h b/fpconv.h
index 59e0867..5d9d95e 100644
--- a/fpconv.h
+++ b/fpconv.h
@@ -7,10 +7,20 @@
 # define FPCONV_G_FMT_BUFSIZE   32
 
 #ifdef USE_INTERNAL_FPCONV
-static inline void fpconv_init(void)
+#ifdef MULTIPLE_THREADS
+#include "dtoa_config.h"
+#include <unistd.h>
+static inline void fpconv_init()
+{
+    // Add one to try and avoid core id multiplier alignment
+    set_max_dtoa_threads((sysconf(_SC_NPROCESSORS_CONF) + 1) * 3);
+}
+#else
+static inline void fpconv_init()
 {
     /* Do nothing - not required */
 }
+#endif
 #else
 extern void fpconv_init(void);
 #endif