Add major / minor / tech versions (#956)

* Add major / minor / tech versions

* Fix if statement

* Update SCIP version in coverage.yml

* Update CHANGELOG

Author: Opt-Mucca

.github/workflows/coverage.yml

@@ -1,6 +1,6 @@
 name: Run tests with coverage
 env:
-  version: 9.1.0
+  version: 9.2.1
 
 on:
   push:

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## Unreleased
 ### Added
 - Added cutoffNode and test
+- Added getMajorVersion, getMinorVersion, and getTechVersion
 ### Fixed
 ### Changed
 ### Removed

src/pyscipopt/scip.pxd

@@ -560,6 +560,9 @@ cdef extern from "scip/scip.h":
     void SCIPmessageSetErrorPrinting(errormessagecallback, void* data)
     void SCIPsetMessagehdlrLogfile(SCIP* scip, const char* filename)
     SCIP_Real SCIPversion()
+    int SCIPmajorVersion()
+    int SCIPminorVersion()
+    int SCIPtechVersion()
     void SCIPprintVersion(SCIP* scip, FILE* outfile)
     void SCIPprintExternalCodes(SCIP* scip, FILE* outfile)
     SCIP_Real SCIPgetTotalTime(SCIP* scip)

src/pyscipopt/scip.pxi

@@ -1899,10 +1899,12 @@ cdef class Model:
             False if data can be safely shared between the source and target problem (default False)
 
         """
-        if self.version() < MAJOR:
+        if self.getMajorVersion() < MAJOR:
             raise Exception("linked SCIP is not compatible to this version of PySCIPOpt - use at least version", MAJOR)
-        if self.version() < MAJOR + MINOR/10.0 + PATCH/100.0:
-            warnings.warn("linked SCIP {} is not recommended for this version of PySCIPOpt - use version {}.{}.{}".format(self.version(), MAJOR, MINOR, PATCH))
+        if self.getMinorVersion() < MINOR:
+            warnings.warn(
+                "linked SCIP {}.{} is not recommended for this version of PySCIPOpt - use version {}.{}.{}".format(
+                    self.getMajorVersion(), self.getMinorVersion(), MAJOR, MINOR, PATCH))
 
         self._freescip = True
         self._modelvars = {}
@@ -2139,6 +2141,40 @@ cdef class Model:
         """
         return SCIPversion()
 
+    def getMajorVersion(self):
+        """
+        Retrieve SCIP major version.
+
+        Returns
+        -------
+        int
+
+        """
+        return SCIPmajorVersion()
+
+    def getMinorVersion(self):
+        """
+        Retrieve SCIP minor version.
+
+        Returns
+        -------
+        int
+
+        """
+        return SCIPminorVersion()
+
+
+    def getTechVersion(self):
+        """
+        Retrieve SCIP technical version.
+
+        Returns
+        -------
+        int
+
+        """
+        return SCIPtechVersion()
+
     def printVersion(self):
         """Print version, copyright information and compile mode."""
         user_locale = locale.getlocale(category=locale.LC_NUMERIC)