Number format checking in strict mode. Also fixes #149

1 files changed, 9 insertions, 0 deletions

diff --git a/src/mathfunc.cpp b/src/mathfunc.cpp
index 9076c47..7117700 100644
--- a/src/mathfunc.cpp
+++ b/src/mathfunc.cpp
@@ -26,6 +26,7 @@
 #include <iostream>
 #include <limits.h>
 #include <map>
+#include <regex>
 #include <set>
 #include <sstream>
 #include <stdio.h>
@@ -94,6 +95,14 @@ bool has_inf(const gsl_matrix *m) {
   return false;
 }
 
+bool is_integer(const std::string & s){
+    return std::regex_match(s, std::regex("^[0-9]+$"));
+}
+
+bool is_float(const std::string & s){
+    return std::regex_match(s, std::regex("^[+-]?([0-9]*[.])?[0-9]+$"));
+}
+
 // calculate variance of a vector
 double VectorVar(const gsl_vector *v) {
   double d, m = 0.0, m2 = 0.0;