fix: address pointer increment bug

kgryte · kgryte · commit bb16002f4d99 · 2025-05-22T01:33:13.000-07:00
---
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---
diff --git a/lib/node_modules/@stdlib/blas/ext/base/ssumkbn2/lib/ndarray.js b/lib/node_modules/@stdlib/blas/ext/base/ssumkbn2/lib/ndarray.js
@@ -71,6 +71,7 @@ function ssumkbn2( N, x, strideX, offsetX ) {
 		return f32( N * x[ ix ] );
 	}
 	v = x[ ix ];
+	ix += strideX;
 	sum = v;
 
 	// In order to preserve the sign of zero which can be lost during compensated summation below, find the first non-zero element...
@@ -86,7 +87,6 @@ function ssumkbn2( N, x, strideX, offsetX ) {
 		}
 	} else {
 		flg = true;
-		ix += strideX;
 		i = 1;
 	}
 	ccs = 0.0; // second order correction term for lost low order bits
diff --git a/lib/node_modules/@stdlib/blas/ext/base/ssumkbn2/src/main.c b/lib/node_modules/@stdlib/blas/ext/base/ssumkbn2/src/main.c
@@ -79,6 +79,7 @@ float API_SUFFIX(stdlib_strided_ssumkbn2_ndarray)( const CBLAS_INT N, const floa
 		return N * X[ ix ];
 	}
 	v = X[ ix ];
+	ix += strideX;
 	sum = v;
 	flg = 0;
 
@@ -95,7 +96,6 @@ float API_SUFFIX(stdlib_strided_ssumkbn2_ndarray)( const CBLAS_INT N, const floa
 		}
 	} else {
 		flg = 1;
-		ix += strideX;
 		i = 1;
 	}
 	ccs = 0.0f; // second order correction term for lost lower order bits

Original file line number	Diff line number	Diff line change
`@@ -71,6 +71,7 @@ function ssumkbn2( N, x, strideX, offsetX ) {`
`71`	`71`	`return f32( N * x[ ix ] );`
`72`	`72`	`}`
`73`	`73`	`v = x[ ix ];`
	`74`	`+ ix += strideX;`
`74`	`75`	`sum = v;`
`75`	`76`
`76`	`77`	`// In order to preserve the sign of zero which can be lost during compensated summation below, find the first non-zero element...`
`@@ -86,7 +87,6 @@ function ssumkbn2( N, x, strideX, offsetX ) {`
`86`	`87`	`}`
`87`	`88`	`} else {`
`88`	`89`	`flg = true;`
`89`		`- ix += strideX;`
`90`	`90`	`i = 1;`
`91`	`91`	`}`
`92`	`92`	`ccs = 0.0; // second order correction term for lost low order bits`
Original file line number	Diff line number	Diff line change
`@@ -79,6 +79,7 @@ float API_SUFFIX(stdlib_strided_ssumkbn2_ndarray)( const CBLAS_INT N, const floa`
`79`	`79`	`return N * X[ ix ];`
`80`	`80`	`}`
`81`	`81`	`v = X[ ix ];`
	`82`	`+ ix += strideX;`
`82`	`83`	`sum = v;`
`83`	`84`	`flg = 0;`
`84`	`85`
`@@ -95,7 +96,6 @@ float API_SUFFIX(stdlib_strided_ssumkbn2_ndarray)( const CBLAS_INT N, const floa`
`95`	`96`	`}`
`96`	`97`	`} else {`
`97`	`98`	`flg = 1;`
`98`		`- ix += strideX;`
`99`	`99`	`i = 1;`
`100`	`100`	`}`
`101`	`101`	`ccs = 0.0f; // second order correction term for lost lower order bits`