small refactor

Author: SwayamInSync

quaddtype/numpy_quaddtype/src/casts.cpp

@@ -22,6 +22,7 @@ extern "C" {
 #include "dtype.h"
 
 #define NUM_CASTS 34  // 16 to_casts + 16 from_casts + 1 quad_to_quad + 1 void_to_quad
+#define QUAD_STR_WIDTH 50   // 42 is enough for scientific notation float128, just keeping some buffer
 
 static NPY_CASTING
 quad_to_quad_resolve_descriptors(PyObject *NPY_UNUSED(self),

quaddtype/numpy_quaddtype/src/utilities.h

@@ -1,11 +1,19 @@
 #ifndef QUAD_UTILITIES_H
 #define QUAD_UTILITIES_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include "quad_common.h"
 #include <sleef.h>
 #include <sleefquad.h>
 #include <stdbool.h>
 
 int cstring_to_quad(const char *str, QuadBackendType backend, quad_value *out_value, char **endptr, bool require_full_parse);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif