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Merged
merged 3 commits into from
Jun 7, 2025
Merged

test: add test cases for blas/base/sgemv #7125

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2197516
test: add test cases for blas/base/sgemv
ShabiShett07 May 30, 2025
5d19e0f
fix: update error message
kgryte Jun 7, 2025
e50de44
test: fix description
kgryte Jun 7, 2025
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14 changes: 13 additions & 1 deletion lib/node_modules/@stdlib/blas/base/sgemv/lib/sgemv.js
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@

// MODULES //

var max = require( '@stdlib/math/base/special/fast/max' );
var stride2offset = require( '@stdlib/strided/base/stride2offset' );
var isLayout = require( '@stdlib/blas/base/assert/is-layout' );
var isMatrixTranspose = require( '@stdlib/blas/base/assert/is-transpose-operation' );
Expand Down Expand Up @@ -65,13 +66,16 @@ var base = require( './base.js' );
* // y => <Float32Array>[ 7.0, 16.0 ]
*/
function sgemv( order, trans, M, N, alpha, A, LDA, x, strideX, beta, y, strideY ) { // eslint-disable-line max-params, max-len
var iscm;
var vala;
var xlen;
var ylen;
var sa1;
var sa2;
var ox;
var oy;

iscm = isColumnMajor( order );
if ( !isLayout( order ) ) {
throw new TypeError( format( 'invalid argument. First argument must be a valid order. Value: `%s`.', order ) );
}
Expand All @@ -84,6 +88,14 @@ function sgemv( order, trans, M, N, alpha, A, LDA, x, strideX, beta, y, strideY
if ( N < 0 ) {
throw new RangeError( format( 'invalid argument. Fourth argument must be a nonnegative integer. Value: `%d`.', N ) );
}
if ( iscm ) {
vala = M;
} else {
vala = N;
}
if ( LDA < max( 1, vala ) ) {
throw new RangeError( format( 'invalid argument. Sixth argument must be greater than or equal to max(1,%d). Value: `%d`.', vala, LDA ) );
}
if ( strideX === 0 ) {
throw new RangeError( format( 'invalid argument. Ninth argument must be non-zero.' ) );
}
Expand All @@ -103,7 +115,7 @@ function sgemv( order, trans, M, N, alpha, A, LDA, x, strideX, beta, y, strideY
}
ox = stride2offset( xlen, strideX );
oy = stride2offset( ylen, strideY );
if ( isColumnMajor( order ) ) {
if ( iscm ) {
sa1 = 1;
sa2 = LDA;
} else { // order === 'row-major'
Expand Down
27 changes: 27 additions & 0 deletions lib/node_modules/@stdlib/blas/base/sgemv/test/test.sgemv.js
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Expand Up @@ -159,6 +159,33 @@ tape( 'the function throws an error if provided an invalid fourth argument', fun
}
});

tape( 'the function throws an error if provided an invalid sixth argument', function test( t ) {
var values;
var data;
var i;

data = rnt;

values = [
1,
0,
-1,
-2,
-3
];

for ( i = 0; i < values.length; i++ ) {
t.throws( badValue( values[ i ] ), RangeError, 'throws an error when provided ' + values[ i ] );
}
t.end();

function badValue( value ) {
return function badValue() {
sgemv( data.order, data.trans, data.M, data.N, data.alpha, new Float32Array( data.A ), value, new Float32Array( data.x ), data.strideX, data.beta, new Float32Array( data.y ), data.strideY );
};
}
});

tape( 'the function throws an error if provided an invalid ninth argument', function test( t ) {
var values;
var data;
Expand Down