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test: add alpha & beta tests for blas/base/dgemm #10709

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0bcfed6
test: add alpha & beta tests for `blas/base/dgemm`
dhruvan2006 Mar 5, 2026
319179c
chore: fix lint errors
dhruvan2006 Mar 5, 2026
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22 changes: 22 additions & 0 deletions lib/node_modules/@stdlib/blas/base/dgemm/test/fixtures/ra_rb_rc_nta_ntb_alpha2_beta3.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,22 @@
{
"transA": "no-transpose",
"transB": "no-transpose",
"M": 2,
"N": 4,
"K": 3,
"alpha": 2.0,
"A": [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ],
"strideA1": 3,
"strideA2": 1,
"offsetA": 0,
"B": [ 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0 ],
"strideB1": 4,
"strideB2": 1,
"offsetB": 0,
"beta": 3.0,
"C": [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 ],
"strideC1": 4,
"strideC2": 1,
"offsetC": 0,
"C_out": [ 15.0, 18.0, 21.0, 24.0, 45.0, 48.0, 51.0, 54.0 ]
}
17 changes: 17 additions & 0 deletions lib/node_modules/@stdlib/blas/base/dgemm/test/fixtures/row_major_nta_ntb_alpha2_beta3.json
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@@ -0,0 +1,17 @@
{
"order": "row-major",
"transA": "no-transpose",
"transB": "no-transpose",
"M": 2,
"N": 4,
"K": 3,
"alpha": 2.0,
"A": [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ],
"lda": 3,
"B": [ 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0 ],
"ldb": 4,
"beta": 3.0,
"C": [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 ],
"ldc": 4,
"C_out": [ 15.0, 18.0, 21.0, 24.0, 45.0, 48.0, 51.0, 54.0 ]
}
24 changes: 23 additions & 1 deletion lib/node_modules/@stdlib/blas/base/dgemm/test/test.dgemm.js
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Original file line number Diff line number Diff line change
Expand Up @@ -34,11 +34,11 @@ var cntantb = require( './fixtures/column_major_nta_ntb.json' );
var ctantb = require( './fixtures/column_major_ta_ntb.json' );
var cntatb = require( './fixtures/column_major_nta_tb.json' );
var ctatb = require( './fixtures/column_major_ta_tb.json' );

var rntantb = require( './fixtures/row_major_nta_ntb.json' );
var rtantb = require( './fixtures/row_major_ta_ntb.json' );
var rntatb = require( './fixtures/row_major_nta_tb.json' );
var rtatb = require( './fixtures/row_major_ta_tb.json' );
var rntantbAlpha2Beta3 = require( './fixtures/row_major_nta_ntb_alpha2_beta3.json' );


// TESTS //
Expand Down Expand Up @@ -704,3 +704,25 @@ tape( 'if `α` is `0` and `β` is neither `0` nor `1`, the function returns the

t.end();
});

tape( 'the function correctly applies both `α` and `β` scalars (row-major, no-transpose, no-transpose, α=2, β=3)', function test( t ) {
var expected;
var data;
var out;
var a;
var b;
var c;

data = rntantbAlpha2Beta3;

a = new Float64Array( data.A );
b = new Float64Array( data.B );
c = new Float64Array( data.C );

expected = new Float64Array( data.C_out );

out = dgemm( data.order, data.transA, data.transB, data.M, data.N, data.K, data.alpha, a, data.lda, b, data.ldb, data.beta, c, data.ldc );
t.strictEqual( out, c, 'returns expected value' );
t.deepEqual( out, expected, 'returns expected value' );
t.end();
});
25 changes: 23 additions & 2 deletions lib/node_modules/@stdlib/blas/base/dgemm/test/test.ndarray.js
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Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,6 @@
var carbrcntatb = require( './fixtures/ca_rb_rc_nta_tb.json' );
var carbrctantb = require( './fixtures/ca_rb_rc_ta_ntb.json' );
var carbrctatb = require( './fixtures/ca_rb_rc_ta_tb.json' );

var racbccntantb = require( './fixtures/ra_cb_cc_nta_ntb.json' );
var racbccntatb = require( './fixtures/ra_cb_cc_nta_tb.json' );
var racbcctantb = require( './fixtures/ra_cb_cc_ta_ntb.json' );
Expand All @@ -65,7 +64,6 @@
var rarbrcntatb = require( './fixtures/ra_rb_rc_nta_tb.json' );
var rarbrctantb = require( './fixtures/ra_rb_rc_ta_ntb.json' );
var rarbrctatb = require( './fixtures/ra_rb_rc_ta_tb.json' );

var carbcctantbsa1sa2 = require( './fixtures/ca_rb_cc_ta_ntb_sa1_sa2.json' );
var carbcctantbsa1nsa2 = require( './fixtures/ca_rb_cc_ta_ntb_sa1n_sa2.json' );
var carbcctantbsa1sa2n = require( './fixtures/ca_rb_cc_ta_ntb_sa1_sa2n.json' );
Expand All @@ -82,6 +80,7 @@
var rarbrcntantbob = require( './fixtures/ra_rb_rc_nta_ntb_ob.json' );
var rarbrcntantboc = require( './fixtures/ra_rb_rc_nta_ntb_oc.json' );
var cap = require( './fixtures/ra_rb_rc_nta_ntb_complex_access_pattern.json' );
var rarbrcntantbAlpha2Beta3 = require( './fixtures/ra_rb_rc_nta_ntb_alpha2_beta3.json' );


// TESTS //
Expand Down Expand Up @@ -1306,7 +1305,7 @@

expected = new Float64Array( data.C_out );

out = dgemm( data.transA, data.transB, data.M, data.N, data.K, data.alpha, a, data.strideA1, data.strideA2, data.offsetA, b, data.strideB1, data.strideB2, data.offsetB, data.beta, c, data.strideC1, data.strideC2, data.offsetC );

Check warning on line 1308 in lib/node_modules/@stdlib/blas/base/dgemm/test/test.ndarray.js

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t.strictEqual( out, c, 'returns expected value' );
t.deepEqual( out, expected, 'returns expected value' );
t.end();
Expand Down Expand Up @@ -1487,3 +1486,25 @@
t.deepEqual( out, expected, 'returns expected value' );
t.end();
});

tape( 'the function correctly applies both `α` and `β` scalars (row_major, row_major, row_major, no-transpose, no-transpose, α=2, β=3)', function test( t ) {
var expected;
var data;
var out;
var a;
var b;
var c;

data = rarbrcntantbAlpha2Beta3;

a = new Float64Array( data.A );
b = new Float64Array( data.B );
c = new Float64Array( data.C );

expected = new Float64Array( data.C_out );

out = dgemm( data.transA, data.transB, data.M, data.N, data.K, data.alpha, a, data.strideA1, data.strideA2, data.offsetA, b, data.strideB1, data.strideB2, data.offsetB, data.beta, c, data.strideC1, data.strideC2, data.offsetC );
t.strictEqual( out, c, 'returns expected value' );
t.deepEqual( out, expected, 'returns expected value' );
t.end();
});
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