From 10a1347e6d5bd596547188ad231a516c0df3395d Mon Sep 17 00:00:00 2001 From: Snehil Shah Date: Mon, 16 Dec 2024 14:11:04 +0000 Subject: [PATCH 1/8] feat: add C `ndarray` API and refactor `blas/ext/base/snansumors` Signed-off-by: Snehil Shah --- .../blas/ext/base/snansumors/README.md | 142 ++++++++++++++++-- .../snansumors/benchmark/c/benchmark.length.c | 54 ++++++- .../blas/ext/base/snansumors/docs/repl.txt | 22 +-- .../ext/base/snansumors/docs/types/index.d.ts | 12 +- .../ext/base/snansumors/examples/c/example.c | 21 ++- .../include/stdlib/blas/ext/base/snansumors.h | 9 +- .../blas/ext/base/snansumors/lib/index.js | 3 +- .../blas/ext/base/snansumors/lib/ndarray.js | 16 +- .../ext/base/snansumors/lib/ndarray.native.js | 16 +- .../ext/base/snansumors/lib/snansumors.js | 38 +---- .../base/snansumors/lib/snansumors.native.js | 9 +- .../blas/ext/base/snansumors/manifest.json | 33 ++-- .../blas/ext/base/snansumors/src/addon.c | 30 +++- .../blas/ext/base/snansumors/src/main.c | 69 +++++++++ .../blas/ext/base/snansumors/src/snansumors.c | 58 ------- .../ext/base/snansumors/test/test.ndarray.js | 16 +- .../snansumors/test/test.ndarray.native.js | 16 +- .../base/snansumors/test/test.snansumors.js | 16 +- .../snansumors/test/test.snansumors.native.js | 16 +- 19 files changed, 403 insertions(+), 193 deletions(-) create mode 100644 lib/node_modules/@stdlib/blas/ext/base/snansumors/src/main.c delete mode 100644 lib/node_modules/@stdlib/blas/ext/base/snansumors/src/snansumors.c diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/README.md b/lib/node_modules/@stdlib/blas/ext/base/snansumors/README.md index 95c9f6665e35..46f828ba0de7 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/README.md +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/README.md @@ -36,7 +36,7 @@ limitations under the License. var snansumors = require( '@stdlib/blas/ext/base/snansumors' ); ``` -#### snansumors( N, x, stride ) +#### snansumors( N, x, strideX ) Computes the sum of single-precision floating-point strided array elements, ignoring `NaN` values and using ordinary recursive summation. @@ -44,9 +44,8 @@ Computes the sum of single-precision floating-point strided array elements, igno var Float32Array = require( '@stdlib/array/float32' ); var x = new Float32Array( [ 1.0, -2.0, NaN, 2.0 ] ); -var N = x.length; -var v = snansumors( N, x, 1 ); +var v = snansumors( x.length, x, 1 ); // returns 1.0 ``` @@ -54,11 +53,10 @@ The function has the following parameters: - **N**: number of indexed elements. - **x**: input [`Float32Array`][@stdlib/array/float32]. -- **stride**: index increment for the strided array. +- **strideX**: stride length for `x`. -The `N` and `stride` parameters determine which elements in the strided array are -accessed at runtime. For example, to compute the sum of every other element in -the strided array. +The `N` and stride parameters determine which elements in the strided array are +accessed at runtime. For example, to compute the sum of every other element: ```javascript var Float32Array = require( '@stdlib/array/float32' ); @@ -84,7 +82,7 @@ var v = snansumors( 4, x1, 2 ); // returns 5.0 ``` -#### snansumors.ndarray( N, x, stride, offset ) +#### snansumors.ndarray( N, x, strideX, offsetX ) Computes the sum of single-precision floating-point strided array elements, ignoring `NaN` values and using ordinary recursive summation and alternative indexing semantics. @@ -92,17 +90,16 @@ Computes the sum of single-precision floating-point strided array elements, igno var Float32Array = require( '@stdlib/array/float32' ); var x = new Float32Array( [ 1.0, -2.0, NaN, 2.0 ] ); -var N = x.length; -var v = snansumors.ndarray( N, x, 1, 0 ); +var v = snansumors.ndarray( x.length, x, 1, 0 ); // returns 1.0 ``` The function has the following additional parameters: -- **offset**: starting index for `x`. +- **offsetX**: starting index for `x`. -While [`typed array`][mdn-typed-array] views mandate a view offset based on the underlying `buffer`, the `offset` parameter supports indexing semantics based on a starting index. For example, to calculate the sum of every other value in `x` starting from the second value +While [`typed array`][mdn-typed-array] views mandate a view offset based on the underlying buffer, the offset parameter supports indexing semantics based on a starting index. For example, to calculate the sum of every other element starting from the second element: ```javascript var Float32Array = require( '@stdlib/array/float32' ); @@ -158,6 +155,123 @@ console.log( v ); + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/blas/ext/base/snansumors.h" +``` + +#### stdlib_strided_snansumors( N, \*X, strideX ) + +Computes the sum of single-precision floating-point strided array elements, ignoring `NaN` values and using ordinary recursive summation. + +```c +const float x[] = { 1.0f, -2.0f, 0.0f/0.0f, 2.0f }; + +float v = stdlib_strided_snansumors( 4, x, 1 ); +// returns 1.0f +``` + +The function accepts the following arguments: + +- **N**: `[in] CBLAS_INT` number of indexed elements. +- **X**: `[in] float*` input array. +- **strideX**: `[in] CBLAS_INT` stride length for `X`. + +```c +float stdlib_strided_snansumors( const CBLAS_INT N, const float *X, const CBLAS_INT strideX ); +``` + +#### stdlib_strided_snansumors_ndarray( N, \*X, strideX, offsetX ) + +Computes the sum of single-precision floating-point strided array elements, ignoring `NaN` values and using ordinary recursive summation and alternative indexing semantics. + +```c +const float x[] = { 1.0f, -2.0f, 0.0f/0.0f, 2.0f }; + +float v = stdlib_strided_snansumors_ndarray( 4, x, 1, 0 ); +// returns 1.0f +``` + +The function accepts the following arguments: + +- **N**: `[in] CBLAS_INT` number of indexed elements. +- **X**: `[in] float*` input array. +- **strideX**: `[in] CBLAS_INT` stride length for `X`. +- **offsetX**: `[in] CBLAS_INT` starting index for `X`. + +```c +float stdlib_strided_snansumors_ndarray( const CBLAS_INT N, const float *X, const CBLAS_INT strideX, const CBLAS_INT offsetX ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/blas/ext/base/snansumors.h" +#include + +int main( void ) { + // Create a strided array: + const float x[] = { 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f, 0.0f/0.0f, 0.0f/0.0f }; + + // Specify the number of elements: + const int N = 5; + + // Specify the stride length: + const int strideX = 2; + + // Compute the sum: + float v = stdlib_strided_snansumors( N, x, strideX ); + + // Print the result: + printf( "sum: %f\n", v ); +} +``` + +
+ + + +
+ + + @@ -197,7 +311,7 @@ console.log( v ); [@stdlib/blas/ext/base/snansumpw]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/blas/ext/base/snansumpw -[@stdlib/blas/ext/base/ssumors]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/blas/ext/base/ssumors +[@stdlib/blas/ext/base/snansumors]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/blas/ext/base/snansumors diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/benchmark/c/benchmark.length.c b/lib/node_modules/@stdlib/blas/ext/base/snansumors/benchmark/c/benchmark.length.c index d1182eac3c04..89470f188d4c 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/benchmark/c/benchmark.length.c +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/benchmark/c/benchmark.length.c @@ -94,7 +94,7 @@ static float rand_float( void ) { * @param len array length * @return elapsed time in seconds */ -static double benchmark( int iterations, int len ) { +static double benchmark1( int iterations, int len ) { double elapsed; float x[ len ]; float v; @@ -111,6 +111,7 @@ static double benchmark( int iterations, int len ) { v = 0.0f; t = tic(); for ( i = 0; i < iterations; i++ ) { + // cppcheck-suppress uninitvar v = stdlib_strided_snansumors( len, x, 1 ); if ( v != v ) { printf( "should not return NaN\n" ); @@ -124,6 +125,44 @@ static double benchmark( int iterations, int len ) { return elapsed; } +/** +* Runs a benchmark. +* +* @param iterations number of iterations +* @param len array length +* @return elapsed time in seconds +*/ +static double benchmark2( int iterations, int len ) { + double elapsed; + float x[ len ]; + float v; + double t; + int i; + + for ( i = 0; i < len; i++ ) { + if ( rand_float() < 0.2f ) { + x[ i ] = 0.0f / 0.0f; // NaN + } else { + x[ i ] = ( rand_float()*20000.0f ) - 10000.0f; + } + } + v = 0.0f; + t = tic(); + for ( i = 0; i < iterations; i++ ) { + // cppcheck-suppress uninitvar + v = stdlib_strided_snansumors_ndarray( len, x, 1 ); + if ( v != v ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + if ( v != v ) { + printf( "should not return NaN\n" ); + } + return elapsed; +} + /** * Main execution sequence. */ @@ -146,7 +185,18 @@ int main( void ) { for ( j = 0; j < REPEATS; j++ ) { count += 1; printf( "# c::%s:len=%d\n", NAME, len ); - elapsed = benchmark( iter, len ); + elapsed = benchmark1( iter, len ); + print_results( iter, elapsed ); + printf( "ok %d benchmark finished\n", count ); + } + } + for ( i = MIN; i <= MAX; i++ ) { + len = pow( 10, i ); + iter = ITERATIONS / pow( 10, i-1 ); + for ( j = 0; j < REPEATS; j++ ) { + count += 1; + printf( "# c::%s:ndarray:len=%d\n", NAME, len ); + elapsed = benchmark2( iter, len ); print_results( iter, elapsed ); printf( "ok %d benchmark finished\n", count ); } diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/docs/repl.txt b/lib/node_modules/@stdlib/blas/ext/base/snansumors/docs/repl.txt index 7244e0d17909..deb27a6ac10e 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/docs/repl.txt +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/docs/repl.txt @@ -1,10 +1,10 @@ -{{alias}}( N, x, stride ) +{{alias}}( N, x, strideX ) Computes the sum of single-precision floating-point strided array elements, ignoring `NaN` values and using ordinary recursive summation. - The `N` and `stride` parameters determine which elements in the - strided array are accessed at runtime. + The `N` and stride parameters determine which elements in the strided array + are accessed at runtime. Indexing is relative to the first index. To introduce an offset, use a typed array view. @@ -19,8 +19,8 @@ x: Float32Array Input array. - stride: integer - Index increment. + strideX: integer + Stride length. Returns ------- @@ -34,7 +34,7 @@ > {{alias}}( x.length, x, 1 ) 1.0 - // Using `N` and `stride` parameters: + // Using `N` and stride parameters: > x = new {{alias:@stdlib/array/float32}}( [ -2.0, 1.0, 1.0, -5.0, 2.0, -1.0, NaN, NaN ] ); > var N = 4; > var stride = 2; @@ -50,13 +50,13 @@ -1.0 -{{alias}}.ndarray( N, x, stride, offset ) +{{alias}}.ndarray( N, x, strideX, offsetX ) Computes the sum of single-precision floating-point strided array elements, ignoring `NaN` values and using ordinary recursive summation and alternative indexing semantics. While typed array views mandate a view offset based on the underlying - buffer, the `offset` parameter supports indexing semantics based on a + buffer, the offset parameter supports indexing semantics based on a starting index. Parameters @@ -67,10 +67,10 @@ x: Float32Array Input array. - stride: integer - Index increment. + strideX: integer + Stride length. - offset: integer + offsetX: integer Starting index. Returns diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/docs/types/index.d.ts b/lib/node_modules/@stdlib/blas/ext/base/snansumors/docs/types/index.d.ts index cdafa6d0a514..b6adf17a7ba7 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/docs/types/index.d.ts +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/docs/types/index.d.ts @@ -27,7 +27,7 @@ interface Routine { * * @param N - number of indexed elements * @param x - input array - * @param stride - stride length + * @param strideX - stride length * @returns sum * * @example @@ -38,15 +38,15 @@ interface Routine { * var v = snansumors( x.length, x, 1 ); * // returns 1.0 */ - ( N: number, x: Float32Array, stride: number ): number; + ( N: number, x: Float32Array, strideX: number ): number; /** * Computes the sum of single-precision floating-point strided array elements, ignoring `NaN` values and using ordinary recursive summation and alternative indexing semantics. * * @param N - number of indexed elements * @param x - input array - * @param stride - stride length - * @param offset - starting index + * @param strideX - stride length + * @param offsetX - starting index * @returns sum * * @example @@ -57,7 +57,7 @@ interface Routine { * var v = snansumors.ndarray( x.length, x, 1, 0 ); * // returns 1.0 */ - ndarray( N: number, x: Float32Array, stride: number, offset: number ): number; + ndarray( N: number, x: Float32Array, strideX: number, offsetX: number ): number; } /** @@ -65,7 +65,7 @@ interface Routine { * * @param N - number of indexed elements * @param x - input array -* @param stride - stride length +* @param strideX - stride length * @returns sum * * @example diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/examples/c/example.c b/lib/node_modules/@stdlib/blas/ext/base/snansumors/examples/c/example.c index d92d1b650bb8..8a889dd12d5d 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/examples/c/example.c +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/examples/c/example.c @@ -17,22 +17,21 @@ */ #include "stdlib/blas/ext/base/snansumors.h" -#include #include int main( void ) { - // Create a strided array: - const float x[] = { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 0.0/0.0, 0.0/0.0 }; + // Create a strided array: + const float x[] = { 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f, 0.0f/0.0f, 0.0f/0.0f }; - // Specify the number of elements: - const int64_t N = 5; + // Specify the number of elements: + const int N = 5; - // Specify the stride length: - const int64_t stride = 2; + // Specify the stride length: + const int strideX = 2; - // Compute the sum: - float v = stdlib_strided_snansumors( N, x, stride ); + // Compute the sum: + float v = stdlib_strided_snansumors( N, x, strideX ); - // Print the result: - printf( "sum: %f\n", v ); + // Print the result: + printf( "sum: %f\n", v ); } diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/include/stdlib/blas/ext/base/snansumors.h b/lib/node_modules/@stdlib/blas/ext/base/snansumors/include/stdlib/blas/ext/base/snansumors.h index fd22be780477..5ab7418f855e 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/include/stdlib/blas/ext/base/snansumors.h +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/include/stdlib/blas/ext/base/snansumors.h @@ -19,7 +19,7 @@ #ifndef STDLIB_BLAS_EXT_BASE_SNANSUMORS_H #define STDLIB_BLAS_EXT_BASE_SNANSUMORS_H -#include +#include "stdlib/blas/base/shared.h" /* * If C++, prevent name mangling so that the compiler emits a binary file having undecorated names, thus mirroring the behavior of a C compiler. @@ -31,7 +31,12 @@ extern "C" { /** * Computes the sum of single-precision floating-point strided array elements, ignoring `NaN` values and using ordinary recursive summation. */ -float stdlib_strided_snansumors( const int64_t N, const float *X, const int64_t stride ); +float API_SUFFIX(stdlib_strided_snansumors)( const CBLAS_INT N, const float *X, const CBLAS_INT strideX ); + +/** +* Computes the sum of single-precision floating-point strided array elements, ignoring `NaN` values and using ordinary recursive summation and alternative indexing semantics. +*/ +float API_SUFFIX(stdlib_strided_snansumors_ndarray)( const CBLAS_INT N, const float *X, const CBLAS_INT strideX, const CBLAS_INT offsetX ); #ifdef __cplusplus } diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/lib/index.js b/lib/node_modules/@stdlib/blas/ext/base/snansumors/lib/index.js index 557e4794f877..0141417abf12 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/lib/index.js +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/lib/index.js @@ -28,9 +28,8 @@ * var snansumors = require( '@stdlib/blas/ext/base/snansumors' ); * * var x = new Float32Array( [ 1.0, -2.0, NaN, 2.0 ] ); -* var N = x.length; * -* var v = snansumors( N, x, 1 ); +* var v = snansumors( x.length, x, 1 ); * // returns 1.0 * * @example diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/lib/ndarray.js b/lib/node_modules/@stdlib/blas/ext/base/snansumors/lib/ndarray.js index 946a53848066..c6ebf11a054c 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/lib/ndarray.js +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/lib/ndarray.js @@ -31,8 +31,8 @@ var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); * * @param {PositiveInteger} N - number of indexed elements * @param {Float32Array} x - input array -* @param {integer} stride - stride length -* @param {NonNegativeInteger} offset - starting index +* @param {integer} strideX - stride length +* @param {NonNegativeInteger} offsetX - starting index * @returns {number} sum * * @example @@ -43,7 +43,7 @@ var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); * var v = snansumors( 5, x, 2, 1 ); * // returns 5.0 */ -function snansumors( N, x, stride, offset ) { +function snansumors( N, x, strideX, offsetX ) { var sum; var ix; var i; @@ -52,18 +52,18 @@ function snansumors( N, x, stride, offset ) { if ( N <= 0 ) { return sum; } - if ( N === 1 || stride === 0 ) { - if ( isnanf( x[ offset ] ) ) { + ix = offsetX; + if ( strideX === 0 ) { + if ( isnanf( x[ ix ] ) ) { return sum; } - return x[ offset ]; + return N * x[ ix ]; } - ix = offset; for ( i = 0; i < N; i++ ) { if ( isnanf( x[ ix ] ) === false ) { sum = float64ToFloat32( sum + x[ ix ] ); } - ix += stride; + ix += strideX; } return sum; } diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/lib/ndarray.native.js b/lib/node_modules/@stdlib/blas/ext/base/snansumors/lib/ndarray.native.js index 83a8efc2123c..a20914ba0ed2 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/lib/ndarray.native.js +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/lib/ndarray.native.js @@ -20,8 +20,7 @@ // MODULES // -var Float32Array = require( '@stdlib/array/float32' ); -var addon = require( './snansumors.native.js' ); +var addon = require( './../src/addon.node' ); // MAIN // @@ -31,8 +30,8 @@ var addon = require( './snansumors.native.js' ); * * @param {PositiveInteger} N - number of indexed elements * @param {Float32Array} x - input array -* @param {integer} stride - stride length -* @param {NonNegativeInteger} offset - starting index +* @param {integer} strideX - stride length +* @param {NonNegativeInteger} offsetX - starting index * @returns {number} sum * * @example @@ -43,13 +42,8 @@ var addon = require( './snansumors.native.js' ); * var v = snansumors( 5, x, 2, 1 ); * // returns 5.0 */ -function snansumors( N, x, stride, offset ) { - var view; - if ( stride < 0 ) { - offset += (N-1) * stride; - } - view = new Float32Array( x.buffer, x.byteOffset+(x.BYTES_PER_ELEMENT*offset), x.length-offset ); // eslint-disable-line max-len - return addon( N, view, stride ); +function snansumors( N, x, strideX, offsetX ) { + return addon.ndarray( N, x, strideX, offsetX ); } diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/lib/snansumors.js b/lib/node_modules/@stdlib/blas/ext/base/snansumors/lib/snansumors.js index caec2e9448b4..85eafeff3f17 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/lib/snansumors.js +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/lib/snansumors.js @@ -20,8 +20,8 @@ // MODULES // -var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' ); -var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var stride2offset = require( '@stdlib/strided/base/stride2offset' ); +var ndarray = require( './ndarray.js' ); // MAIN // @@ -31,45 +31,19 @@ var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); * * @param {PositiveInteger} N - number of indexed elements * @param {Float32Array} x - input array -* @param {integer} stride - stride length +* @param {integer} strideX - stride length * @returns {number} sum * * @example * var Float32Array = require( '@stdlib/array/float32' ); * * var x = new Float32Array( [ 1.0, -2.0, NaN, 2.0 ] ); -* var N = x.length; * -* var v = snansumors( N, x, 1 ); +* var v = snansumors( x.length, x, 1 ); * // returns 1.0 */ -function snansumors( N, x, stride ) { - var sum; - var ix; - var i; - - sum = 0.0; - if ( N <= 0 ) { - return sum; - } - if ( N === 1 || stride === 0 ) { - if ( isnanf( x[ 0 ] ) ) { - return sum; - } - return x[ 0 ]; - } - if ( stride < 0 ) { - ix = (1-N) * stride; - } else { - ix = 0; - } - for ( i = 0; i < N; i++ ) { - if ( isnanf( x[ ix ] ) === false ) { - sum = float64ToFloat32( sum + x[ ix ] ); - } - ix += stride; - } - return sum; +function snansumors( N, x, strideX ) { + return ndarray( N, x, strideX, stride2offset( N, strideX ) ); } diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/lib/snansumors.native.js b/lib/node_modules/@stdlib/blas/ext/base/snansumors/lib/snansumors.native.js index b997f718144b..3a04cd64b3c0 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/lib/snansumors.native.js +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/lib/snansumors.native.js @@ -30,20 +30,19 @@ var addon = require( './../src/addon.node' ); * * @param {PositiveInteger} N - number of indexed elements * @param {Float32Array} x - input array -* @param {integer} stride - stride length +* @param {integer} strideX - stride length * @returns {number} sum * * @example * var Float32Array = require( '@stdlib/array/float32' ); * * var x = new Float32Array( [ 1.0, -2.0, NaN, 2.0 ] ); -* var N = x.length; * -* var v = snansumors( N, x, 1 ); +* var v = snansumors( x.length, x, 1 ); * // returns 1.0 */ -function snansumors( N, x, stride ) { - return addon( N, x, stride ); +function snansumors( N, x, strideX ) { + return addon( N, x, strideX ); } diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/manifest.json b/lib/node_modules/@stdlib/blas/ext/base/snansumors/manifest.json index 0b0fd3919a44..f0f4eea5bee6 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/manifest.json +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/manifest.json @@ -28,53 +28,56 @@ { "task": "build", "src": [ - "./src/snansumors.c" + "./src/main.c" ], "include": [ "./include" ], - "libraries": [ - "-lm" - ], + "libraries": [], "libpath": [], "dependencies": [ "@stdlib/napi/export", "@stdlib/napi/argv", "@stdlib/napi/argv-int64", "@stdlib/napi/argv-strided-float32array", - "@stdlib/math/base/assert/is-nanf" + "@stdlib/math/base/assert/is-nanf", + "@stdlib/napi/create-double", + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset" ] }, { "task": "benchmark", "src": [ - "./src/snansumors.c" + "./src/main.c" ], "include": [ "./include" ], - "libraries": [ - "-lm" - ], + "libraries": [], "libpath": [], "dependencies": [ - "@stdlib/math/base/assert/is-nanf" + "@stdlib/math/base/assert/is-nanf", + "@stdlib/napi/create-double", + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset" ] }, { "task": "examples", "src": [ - "./src/snansumors.c" + "./src/main.c" ], "include": [ "./include" ], - "libraries": [ - "-lm" - ], + "libraries": [], "libpath": [], "dependencies": [ - "@stdlib/math/base/assert/is-nanf" + "@stdlib/math/base/assert/is-nanf", + "@stdlib/napi/create-double", + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset" ] } ] diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/src/addon.c b/lib/node_modules/@stdlib/blas/ext/base/snansumors/src/addon.c index 3d1de194d8c6..5d2fa2ffa4e4 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/src/addon.c +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/src/addon.c @@ -17,12 +17,13 @@ */ #include "stdlib/blas/ext/base/snansumors.h" +#include "stdlib/blas/base/shared.h" #include "stdlib/napi/export.h" #include "stdlib/napi/argv.h" #include "stdlib/napi/argv_int64.h" #include "stdlib/napi/argv_strided_float32array.h" +#include "stdlib/napi/create_double.h" #include -#include /** * Receives JavaScript callback invocation data. @@ -34,14 +35,27 @@ static napi_value addon( napi_env env, napi_callback_info info ) { STDLIB_NAPI_ARGV( env, info, argv, argc, 3 ); STDLIB_NAPI_ARGV_INT64( env, N, argv, 0 ); - STDLIB_NAPI_ARGV_INT64( env, stride, argv, 2 ); - STDLIB_NAPI_ARGV_STRIDED_FLOAT32ARRAY( env, X, N, stride, argv, 1 ); - - napi_value v; - napi_status status = napi_create_double( env, stdlib_strided_snansumors( N, X, stride ), &v ); - assert( status == napi_ok ); + STDLIB_NAPI_ARGV_INT64( env, strideX, argv, 2 ); + STDLIB_NAPI_ARGV_STRIDED_FLOAT32ARRAY( env, X, N, strideX, argv, 1 ); + STDLIB_NAPI_CREATE_DOUBLE( env, (double)API_SUFFIX(stdlib_strided_snansumors)( N, X, strideX ), v ); + return v; +} +/** +* Receives JavaScript callback invocation data. +* +* @param env environment under which the function is invoked +* @param info callback data +* @return Node-API value +*/ +static napi_value addon_method( napi_env env, napi_callback_info info ) { + STDLIB_NAPI_ARGV( env, info, argv, argc, 4 ); + STDLIB_NAPI_ARGV_INT64( env, N, argv, 0 ); + STDLIB_NAPI_ARGV_INT64( env, strideX, argv, 2 ); + STDLIB_NAPI_ARGV_INT64( env, offsetX, argv, 3 ); + STDLIB_NAPI_ARGV_STRIDED_FLOAT32ARRAY( env, X, N, strideX, argv, 1 ); + STDLIB_NAPI_CREATE_DOUBLE( env, (double)API_SUFFIX(stdlib_strided_snansumors_ndarray)( N, X, strideX, offsetX ), v ); return v; } -STDLIB_NAPI_MODULE_EXPORT_FCN( addon ) +STDLIB_NAPI_MODULE_EXPORT_FCN_WITH_METHOD( addon, "ndarray", addon_method ) diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/src/main.c b/lib/node_modules/@stdlib/blas/ext/base/snansumors/src/main.c new file mode 100644 index 000000000000..3198ff50e67a --- /dev/null +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/src/main.c @@ -0,0 +1,69 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2020 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/blas/ext/base/snansumors.h" +#include "stdlib/math/base/assert/is_nanf.h" +#include "stdlib/strided/base/stride2offset.h" +#include "stdlib/blas/base/shared.h" + +/** +* Computes the sum of single-precision floating-point strided array elements, ignoring `NaN` values and using ordinary recursive summation. +* +* @param N number of indexed elements +* @param X input array +* @param strideX stride length +* @return output value +*/ +float stdlib_strided_snansumors( const CBLAS_INT N, const float *X, const CBLAS_INT strideX ) { + CBLAS_INT ox = stdlib_strided_stride2offset( N, strideX ); + return API_SUFFIX(stdlib_strided_snansumors_ndarray)( N, X, strideX, ox ); +} + +/** +* Computes the sum of single-precision floating-point strided array elements, ignoring `NaN` values and using ordinary recursive summation and alternative indexing semantics. +* +* @param N number of indexed elements +* @param X input array +* @param strideX stride length +* @param offsetX starting index +* @return output value +*/ +float stdlib_strided_snansumors_ndarray( const CBLAS_INT N, const float *X, const CBLAS_INT strideX, const CBLAS_INT offsetX ) { + CBLAS_INT ix; + CBLAS_INT i; + float sum; + + sum = 0.0f; + if ( N <= 0 ) { + return sum; + } + ix = offsetX; + if ( strideX == 0 ) { + if ( stdlib_base_is_nanf( X[ ix ] ) ) { + return sum; + } + return N * X[ ix ]; + } + for ( i = 0; i < N; i++ ) { + if ( !stdlib_base_is_nanf( X[ ix ] ) ) { + sum += X[ ix ]; + } + ix += strideX; + } + return sum; +} diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/src/snansumors.c b/lib/node_modules/@stdlib/blas/ext/base/snansumors/src/snansumors.c deleted file mode 100644 index 1dde6d95b93f..000000000000 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/src/snansumors.c +++ /dev/null @@ -1,58 +0,0 @@ -/** -* @license Apache-2.0 -* -* Copyright (c) 2020 The Stdlib Authors. -* -* Licensed under the Apache License, Version 2.0 (the "License"); -* you may not use this file except in compliance with the License. -* You may obtain a copy of the License at -* -* http://www.apache.org/licenses/LICENSE-2.0 -* -* Unless required by applicable law or agreed to in writing, software -* distributed under the License is distributed on an "AS IS" BASIS, -* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -* See the License for the specific language governing permissions and -* limitations under the License. -*/ - -#include "stdlib/blas/ext/base/snansumors.h" -#include "stdlib/math/base/assert/is_nanf.h" -#include - -/** -* Computes the sum of single-precision floating-point strided array elements, ignoring `NaN` values and using ordinary recursive summation. -* -* @param N number of indexed elements -* @param X input array -* @param stride stride length -* @return output value -*/ -float stdlib_strided_snansumors( const int64_t N, const float *X, const int64_t stride ) { - int64_t ix; - int64_t i; - float sum; - - sum = 0.0f; - if ( N <= 0 ) { - return sum; - } - if ( N == 1 || stride == 0 ) { - if ( stdlib_base_is_nanf( X[ 0 ] ) ) { - return sum; - } - return X[ 0 ]; - } - if ( stride < 0 ) { - ix = (1-N) * stride; - } else { - ix = 0; - } - for ( i = 0; i < N; i++ ) { - if ( !stdlib_base_is_nanf( X[ ix ] ) ) { - sum += X[ ix ]; - } - ix += stride; - } - return sum; -} diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/test/test.ndarray.js b/lib/node_modules/@stdlib/blas/ext/base/snansumors/test/test.ndarray.js index 9849e8920a74..a3f6fd42c05a 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/test/test.ndarray.js +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/test/test.ndarray.js @@ -150,14 +150,26 @@ tape( 'the function supports a negative `stride` parameter', function test( t ) t.end(); }); -tape( 'if provided a `stride` parameter equal to `0`, the function returns the first indexed element', function test( t ) { +tape( 'if provided a `stride` parameter equal to `0`, the function returns the sum of the first element repeated N times', function test( t ) { var x; var v; x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 3.0 ] ); v = snansumors( x.length, x, 0, 0 ); - t.strictEqual( v, 1.0, 'returns expected value' ); + t.strictEqual( v, 5.0, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided a `stride` parameter equal to `0` and the first element is `NaN`, the function returns 0.0', function test( t ) { + var x; + var v; + + x = new Float32Array( [ NaN, -2.0, -4.0, 5.0, 3.0 ] ); + + v = snansumors( x.length, x, 0, 0 ); + t.strictEqual( v, 0.0, 'returns expected value' ); t.end(); }); diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/test/test.ndarray.native.js b/lib/node_modules/@stdlib/blas/ext/base/snansumors/test/test.ndarray.native.js index 11263ca18d77..aedb4da50c5f 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/test/test.ndarray.native.js +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/test/test.ndarray.native.js @@ -159,14 +159,26 @@ tape( 'the function supports a negative `stride` parameter', opts, function test t.end(); }); -tape( 'if provided a `stride` parameter equal to `0`, the function returns the first indexed element', opts, function test( t ) { +tape( 'if provided a `stride` parameter equal to `0`, the function returns the sum of the first element repeated N times', opts, function test( t ) { var x; var v; x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 3.0 ] ); v = snansumors( x.length, x, 0, 0 ); - t.strictEqual( v, 1.0, 'returns expected value' ); + t.strictEqual( v, 5.0, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided a `stride` parameter equal to `0` and the first element is `NaN`, the function returns 0.0', opts, function test( t ) { + var x; + var v; + + x = new Float32Array( [ NaN, -2.0, -4.0, 5.0, 3.0 ] ); + + v = snansumors( x.length, x, 0, 0 ); + t.strictEqual( v, 0.0, 'returns expected value' ); t.end(); }); diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/test/test.snansumors.js b/lib/node_modules/@stdlib/blas/ext/base/snansumors/test/test.snansumors.js index 2849f8c0a686..7ef745a3d4d1 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/test/test.snansumors.js +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/test/test.snansumors.js @@ -150,14 +150,26 @@ tape( 'the function supports a negative `stride` parameter', function test( t ) t.end(); }); -tape( 'if provided a `stride` parameter equal to `0`, the function returns the first element', function test( t ) { +tape( 'if provided a `stride` parameter equal to `0`, the function returns the sum of the first element repeated N times', function test( t ) { var x; var v; x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 3.0 ] ); v = snansumors( x.length, x, 0 ); - t.strictEqual( v, 1.0, 'returns expected value' ); + t.strictEqual( v, 5.0, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided a `stride` parameter equal to `0` and the first element is `NaN`, the function returns 0.0', function test( t ) { + var x; + var v; + + x = new Float32Array( [ NaN, -2.0, -4.0, 5.0, 3.0 ] ); + + v = snansumors( x.length, x, 0, 0 ); + t.strictEqual( v, 0.0, 'returns expected value' ); t.end(); }); diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/test/test.snansumors.native.js b/lib/node_modules/@stdlib/blas/ext/base/snansumors/test/test.snansumors.native.js index 59afcb523cd2..64adb5350a1d 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/test/test.snansumors.native.js +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/test/test.snansumors.native.js @@ -241,14 +241,26 @@ tape( 'the function supports a negative `stride` parameter', opts, function test t.end(); }); -tape( 'if provided a `stride` parameter equal to `0`, the function returns the first element', opts, function test( t ) { +tape( 'if provided a `stride` parameter equal to `0`, the function returns the sum of the first element repeated N times', opts, function test( t ) { var x; var v; x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 3.0 ] ); v = snansumors( x.length, x, 0 ); - t.strictEqual( v, 1.0, 'returns expected value' ); + t.strictEqual( v, 5.0, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided a `stride` parameter equal to `0` and the first element is `NaN`, the function returns 0.0', opts, function test( t ) { + var x; + var v; + + x = new Float32Array( [ NaN, -2.0, -4.0, 5.0, 3.0 ] ); + + v = snansumors( x.length, x, 0, 0 ); + t.strictEqual( v, 0.0, 'returns expected value' ); t.end(); }); From 4e930ca4c73932115c90451b0628cab2ede78be9 Mon Sep 17 00:00:00 2001 From: Snehil Shah Date: Mon, 16 Dec 2024 14:20:55 +0000 Subject: [PATCH 2/8] fix: update dependencies & copyright year Signed-off-by: Snehil Shah --- lib/node_modules/@stdlib/blas/ext/base/snansumors/manifest.json | 2 -- lib/node_modules/@stdlib/blas/ext/base/snansumors/src/main.c | 2 +- 2 files changed, 1 insertion(+), 3 deletions(-) diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/manifest.json b/lib/node_modules/@stdlib/blas/ext/base/snansumors/manifest.json index f0f4eea5bee6..d738fd5efa3e 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/manifest.json +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/manifest.json @@ -58,7 +58,6 @@ "libpath": [], "dependencies": [ "@stdlib/math/base/assert/is-nanf", - "@stdlib/napi/create-double", "@stdlib/blas/base/shared", "@stdlib/strided/base/stride2offset" ] @@ -75,7 +74,6 @@ "libpath": [], "dependencies": [ "@stdlib/math/base/assert/is-nanf", - "@stdlib/napi/create-double", "@stdlib/blas/base/shared", "@stdlib/strided/base/stride2offset" ] diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/src/main.c b/lib/node_modules/@stdlib/blas/ext/base/snansumors/src/main.c index 3198ff50e67a..3f3474cbb26d 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/src/main.c +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/src/main.c @@ -1,7 +1,7 @@ /** * @license Apache-2.0 * -* Copyright (c) 2020 The Stdlib Authors. +* Copyright (c) 2024 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. From 327ac2672e398bd8e9db311a95cb3060ead2762f Mon Sep 17 00:00:00 2001 From: Snehil Shah Date: Mon, 16 Dec 2024 14:26:43 +0000 Subject: [PATCH 3/8] fix: update nargs in benchmark Signed-off-by: Snehil Shah --- .../blas/ext/base/snansumors/benchmark/c/benchmark.length.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/benchmark/c/benchmark.length.c b/lib/node_modules/@stdlib/blas/ext/base/snansumors/benchmark/c/benchmark.length.c index 89470f188d4c..6958d5ab1b74 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/benchmark/c/benchmark.length.c +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/benchmark/c/benchmark.length.c @@ -150,7 +150,7 @@ static double benchmark2( int iterations, int len ) { t = tic(); for ( i = 0; i < iterations; i++ ) { // cppcheck-suppress uninitvar - v = stdlib_strided_snansumors_ndarray( len, x, 1 ); + v = stdlib_strided_snansumors_ndarray( len, x, 1, 0 ); if ( v != v ) { printf( "should not return NaN\n" ); break; From dfaf0c5d12d501920be0e7ef250b3c3608272dd5 Mon Sep 17 00:00:00 2001 From: Snehil Shah Date: Mon, 16 Dec 2024 17:55:42 +0000 Subject: [PATCH 4/8] docs: fix incorrect links Signed-off-by: Snehil Shah --- lib/node_modules/@stdlib/blas/ext/base/snansumors/README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/README.md b/lib/node_modules/@stdlib/blas/ext/base/snansumors/README.md index 46f828ba0de7..9d29d58eef76 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/README.md +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/README.md @@ -285,7 +285,7 @@ int main( void ) { - [`@stdlib/blas/ext/base/snansum`][@stdlib/blas/ext/base/snansum]: calculate the sum of single-precision floating-point strided array elements, ignoring NaN values. - [`@stdlib/blas/ext/base/snansumkbn2`][@stdlib/blas/ext/base/snansumkbn2]: calculate the sum of single-precision floating-point strided array elements, ignoring NaN values and using a second-order iterative Kahan–Babuška algorithm. - [`@stdlib/blas/ext/base/snansumpw`][@stdlib/blas/ext/base/snansumpw]: calculate the sum of single-precision floating-point strided array elements, ignoring NaN values and using pairwise summation. -- [`@stdlib/blas/ext/base/snansumors`][@stdlib/blas/ext/base/snansumors]: calculate the sum of single-precision floating-point strided array elements using ordinary recursive summation. +- [`@stdlib/blas/ext/base/ssumors`][@stdlib/blas/ext/base/ssumors]: calculate the sum of single-precision floating-point strided array elements using ordinary recursive summation. @@ -311,7 +311,7 @@ int main( void ) { [@stdlib/blas/ext/base/snansumpw]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/blas/ext/base/snansumpw -[@stdlib/blas/ext/base/snansumors]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/blas/ext/base/snansumors +[@stdlib/blas/ext/base/ssumors]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/blas/ext/base/ssumors From 24a72782cd90ef0a72d37772d697a5f198efc2d4 Mon Sep 17 00:00:00 2001 From: Snehil Shah Date: Mon, 16 Dec 2024 17:58:29 +0000 Subject: [PATCH 5/8] docs: remove use of variable N Signed-off-by: Snehil Shah --- .../@stdlib/blas/ext/base/snansumors/docs/repl.txt | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/docs/repl.txt b/lib/node_modules/@stdlib/blas/ext/base/snansumors/docs/repl.txt index deb27a6ac10e..8fda55726e69 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/docs/repl.txt +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/docs/repl.txt @@ -36,17 +36,15 @@ // Using `N` and stride parameters: > x = new {{alias:@stdlib/array/float32}}( [ -2.0, 1.0, 1.0, -5.0, 2.0, -1.0, NaN, NaN ] ); - > var N = 4; > var stride = 2; - > {{alias}}( N, x, stride ) + > {{alias}}( 4, x, stride ) 1.0 // Using view offsets: > var x0 = new {{alias:@stdlib/array/float32}}( [ 1.0, -2.0, 3.0, 2.0, 5.0, -1.0, NaN, NaN ] ); > var x1 = new {{alias:@stdlib/array/float32}}( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); - > N = 4; > stride = 2; - > {{alias}}( N, x1, stride ) + > {{alias}}( 4, x1, stride ) -1.0 @@ -87,8 +85,7 @@ // Using offset parameter: > var x = new {{alias:@stdlib/array/float32}}( [ 1.0, -2.0, 3.0, 2.0, 5.0, -1.0, NaN, NaN ] ); - > var N = 4; - > {{alias}}.ndarray( N, x, 2, 1 ) + > {{alias}}.ndarray( 4, x, 2, 1 ) -1.0 See Also From 062a97f163e2bf0dd815e8f1c73445e10c392338 Mon Sep 17 00:00:00 2001 From: Athan Date: Wed, 25 Dec 2024 02:13:20 -0800 Subject: [PATCH 6/8] style: fix indentation Signed-off-by: Athan --- .../ext/base/snansumors/examples/c/example.c | 28 +++++++++---------- 1 file changed, 14 insertions(+), 14 deletions(-) diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/examples/c/example.c b/lib/node_modules/@stdlib/blas/ext/base/snansumors/examples/c/example.c index 8a889dd12d5d..b76546c93c1e 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/examples/c/example.c +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/examples/c/example.c @@ -20,18 +20,18 @@ #include int main( void ) { - // Create a strided array: - const float x[] = { 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f, 0.0f/0.0f, 0.0f/0.0f }; - - // Specify the number of elements: - const int N = 5; - - // Specify the stride length: - const int strideX = 2; - - // Compute the sum: - float v = stdlib_strided_snansumors( N, x, strideX ); - - // Print the result: - printf( "sum: %f\n", v ); + // Create a strided array: + const float x[] = { 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f, 0.0f/0.0f, 0.0f/0.0f }; + + // Specify the number of elements: + const int N = 5; + + // Specify the stride length: + const int strideX = 2; + + // Compute the sum: + float v = stdlib_strided_snansumors( N, x, strideX ); + + // Print the result: + printf( "sum: %f\n", v ); } From c7553924d4f0fb5140825b1bab3975e1d7a1f5da Mon Sep 17 00:00:00 2001 From: Athan Date: Wed, 25 Dec 2024 02:13:36 -0800 Subject: [PATCH 7/8] style: fix line wrapping Signed-off-by: Athan --- lib/node_modules/@stdlib/blas/ext/base/snansumors/README.md | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/README.md b/lib/node_modules/@stdlib/blas/ext/base/snansumors/README.md index 9d29d58eef76..b9b71d6e931c 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/README.md +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/README.md @@ -55,8 +55,7 @@ The function has the following parameters: - **x**: input [`Float32Array`][@stdlib/array/float32]. - **strideX**: stride length for `x`. -The `N` and stride parameters determine which elements in the strided array are -accessed at runtime. For example, to compute the sum of every other element: +The `N` and stride parameters determine which elements in the strided array are accessed at runtime. For example, to compute the sum of every other element: ```javascript var Float32Array = require( '@stdlib/array/float32' ); From d5c02b04fbfa50b753e930093c158c85eca0c5dd Mon Sep 17 00:00:00 2001 From: Athan Date: Wed, 25 Dec 2024 02:14:35 -0800 Subject: [PATCH 8/8] style: fix whitespace Signed-off-by: Athan --- .../@stdlib/blas/ext/base/snansumors/examples/c/example.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/lib/node_modules/@stdlib/blas/ext/base/snansumors/examples/c/example.c b/lib/node_modules/@stdlib/blas/ext/base/snansumors/examples/c/example.c index b76546c93c1e..9713bf3bc206 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/snansumors/examples/c/example.c +++ b/lib/node_modules/@stdlib/blas/ext/base/snansumors/examples/c/example.c @@ -22,16 +22,16 @@ int main( void ) { // Create a strided array: const float x[] = { 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f, 0.0f/0.0f, 0.0f/0.0f }; - + // Specify the number of elements: const int N = 5; - + // Specify the stride length: const int strideX = 2; - + // Compute the sum: float v = stdlib_strided_snansumors( N, x, strideX ); - + // Print the result: printf( "sum: %f\n", v ); }