Fix two bugs in SCIPcreateConsBasicSOCNonlinear

- Do not dereference coefs if it is NULL
- Fix copy & paste error, coefs -> offsets
- closes #181
- fixes #182

Author: jamesjer

CHANGELOG

@@ -6,6 +6,8 @@
 Fixed bugs
 ----------
 
+- fixed call of SCIPcreateConsBasicSOCNonlinear() with coefs being NULL, and fixed check for offsets being finite
+
 
 @section RN1000 SCIP 10.0.0
 ***************************

src/scip/cons_nonlinear.c

@@ -13006,12 +13006,12 @@ SCIP_RETCODE SCIPcreateConsBasicSOCNonlinear(
    /* check values for infinity or nan */
    for( i = 0; i < nvars; ++i )
    {
-      if( !SCIPisFinite(coefs[i]) || SCIPisInfinity(scip, coefs[i]) )
+      if( coefs != NULL && ( !SCIPisFinite(coefs[i]) || SCIPisInfinity(scip, coefs[i]) ) )
       {
          SCIPerrorMessage("Second-order cone term with infinite or nan coefficient of variable %s in nonlinear constraint %s\n", SCIPvarGetName(vars[i]), name);
          return SCIP_INVALIDDATA;
       }
-      if( offsets != NULL && (!SCIPisFinite(offsets[i]) || SCIPisInfinity(scip, coefs[i])) )
+      if( offsets != NULL && (!SCIPisFinite(offsets[i]) || SCIPisInfinity(scip, offsets[i])) )
       {
          SCIPerrorMessage("Second-order cone term with infinite or nan offset for variable %s in nonlinear constraint %s\n", SCIPvarGetName(vars[i]), name);
          return SCIP_INVALIDDATA;