@@ -256,7 +256,8 @@ SCENARIO( "createCrossSectionCovarianceMatrix" ) {
256256 GIVEN ( " an instance of an off-diagonal ReactionBlock with a single symmetric "
257257 " SquareMatrix and variance scaling information" ) {
258258
259- auto tape = njoy::ENDFtk::tree::fromFile ( " n-009_F_019.endf" );
259+ using Tape = njoy::ENDFtk::tree::Tape;
260+ auto tape = njoy::ENDFtk::tree::fromFile< Tape >( " n-009_F_019.endf" );
260261 auto material = tape.materials ().front ();
261262 auto section = material.file ( 33 ).section ( 16 ).parse < 33 >();
262263 ReactionBlock covariance = section.reactions ()[0 ];
@@ -361,7 +362,8 @@ SCENARIO( "createCrossSectionCovarianceMatrix" ) {
361362 GIVEN ( " an instance of an off-diagonal ReactionBlock with a single symmetric "
362363 " SquareMatrix and without variance scaling information" ) {
363364
364- auto tape = njoy::ENDFtk::tree::fromFile ( " n-009_F_019.endf" );
365+ using Tape = njoy::ENDFtk::tree::Tape;
366+ auto tape = njoy::ENDFtk::tree::fromFile< Tape >( " n-009_F_019.endf" );
365367 auto material = tape.materials ().front ();
366368 auto section = material.file ( 33 ).section ( 104 ).parse < 33 >();
367369 ReactionBlock covariance = section.reactions ()[0 ];
@@ -450,7 +452,8 @@ SCENARIO( "createCrossSectionCovarianceMatrix" ) {
450452 GIVEN ( " an instance of an off-diagonal ReactionBlock with a single asymmetric "
451453 " SquareMatrix" ) {
452454
453- auto tape = njoy::ENDFtk::tree::fromFile ( " n-009_F_019.endf" );
455+ using Tape = njoy::ENDFtk::tree::Tape;
456+ auto tape = njoy::ENDFtk::tree::fromFile< Tape >( " n-009_F_019.endf" );
454457 auto material = tape.materials ().front ();
455458 auto section = material.file ( 33 ).section ( 4 ).parse < 33 >();
456459 ReactionBlock covariance = section.reactions ()[1 ];
@@ -550,7 +553,8 @@ SCENARIO( "createCrossSectionCovarianceMatrix" ) {
550553
551554 GIVEN ( " an instance of an off-diagonal ReactionBlock with a single RectangularMatrix" ) {
552555
553- auto tape = njoy::ENDFtk::tree::fromFile ( " n-010_Ne_022.endf" );
556+ using Tape = njoy::ENDFtk::tree::Tape;
557+ auto tape = njoy::ENDFtk::tree::fromFile< Tape >( " n-010_Ne_022.endf" );
554558 auto material = tape.materials ().front ();
555559 auto section = material.file ( 33 ).section ( 16 ).parse < 33 >();
556560 ReactionBlock covariance = section.reactions ()[1 ];
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