From 241e8563ec38584cc36e8208aacf403df407f494 Mon Sep 17 00:00:00 2001 From: kaustubh Date: Wed, 4 Mar 2026 13:04:51 +0530 Subject: [PATCH 1/2] feat: add C implementation for blas/ext/base/ndarray/csum --- .../blas/ext/base/ndarray/csum/README.md | 151 +++++++++++++ .../base/ndarray/csum/benchmark/benchmark.js | 5 +- .../csum/benchmark/benchmark.native.js | 119 ++++++++++ .../base/ndarray/csum/benchmark/c/Makefile | 146 ++++++++++++ .../csum/benchmark/c/benchmark.length.c | 193 ++++++++++++++++ .../blas/ext/base/ndarray/csum/binding.gyp | 170 ++++++++++++++ .../ext/base/ndarray/csum/examples/c/Makefile | 146 ++++++++++++ .../base/ndarray/csum/examples/c/example.c | 77 +++++++ .../blas/ext/base/ndarray/csum/include.gypi | 53 +++++ .../stdlib/blas/ext/base/ndarray/csum.h | 41 ++++ .../blas/ext/base/ndarray/csum/lib/index.js | 16 +- .../blas/ext/base/ndarray/csum/lib/native.js | 58 +++++ .../blas/ext/base/ndarray/csum/manifest.json | 122 ++++++++++ .../blas/ext/base/ndarray/csum/package.json | 4 + .../blas/ext/base/ndarray/csum/src/Makefile | 70 ++++++ .../blas/ext/base/ndarray/csum/src/addon.c | 62 ++++++ .../blas/ext/base/ndarray/csum/src/main.c | 34 +++ .../blas/ext/base/ndarray/csum/test/test.js | 178 +++------------ .../ext/base/ndarray/csum/test/test.main.js | 199 +++++++++++++++++ .../ext/base/ndarray/csum/test/test.native.js | 208 ++++++++++++++++++ 20 files changed, 1899 insertions(+), 153 deletions(-) create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/csum/benchmark/benchmark.native.js create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/csum/benchmark/c/Makefile create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/csum/benchmark/c/benchmark.length.c create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/csum/binding.gyp create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/csum/examples/c/Makefile create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/csum/examples/c/example.c create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/csum/include.gypi create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/csum/include/stdlib/blas/ext/base/ndarray/csum.h create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/csum/lib/native.js create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/csum/manifest.json create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/csum/src/Makefile create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/csum/src/addon.c create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/csum/src/main.c create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/csum/test/test.main.js create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/csum/test/test.native.js diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/csum/README.md b/lib/node_modules/@stdlib/blas/ext/base/ndarray/csum/README.md index f13b7d704485..09d833d8ef56 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/csum/README.md +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/csum/README.md @@ -98,6 +98,157 @@ console.log( v ); + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/blas/ext/base/ndarray/csum.h" +``` + +#### stdlib_blas_ext_csum( arrays ) + +Computes the sum of all elements in a one-dimensional single-precision complex floating-point ndarray. + +```c +#include "stdlib/complex/float32/ctor.h" +#include "stdlib/ndarray/ctor.h" +#include "stdlib/ndarray/dtypes.h" +#include "stdlib/ndarray/index_modes.h" +#include "stdlib/ndarray/orders.h" +#include "stdlib/ndarray/base/bytes_per_element.h" +#include + +// Create an ndarray: +const float data[] = { 1.0f, 2.0f, 3.0f, 4.0f }; +int64_t shape[] = { 2 }; +int64_t strides[] = { STDLIB_NDARRAY_COMPLEX64_BYTES_PER_ELEMENT }; +int8_t submodes[] = { STDLIB_NDARRAY_INDEX_ERROR }; + +struct ndarray *x = stdlib_ndarray_allocate( STDLIB_NDARRAY_COMPLEX64, (uint8_t *)data, 1, shape, strides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, submodes ); + +// Compute the sum: +const struct ndarray *arrays[] = { x }; +stdlib_complex64_t v = stdlib_blas_ext_csum( arrays ); +// returns [ 4.0, 6.0 ] + +// Free allocated memory: +stdlib_ndarray_free( x ); +``` + +The function accepts the following arguments: + +- **arrays**: `[in] struct ndarray**` list containing a one-dimensional input ndarray. + +```c +stdlib_complex64_t stdlib_blas_ext_csum( const struct ndarray *arrays[] ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/blas/ext/base/ndarray/csum.h" +#include "stdlib/complex/float32/ctor.h" +#include "stdlib/complex/float32/real.h" +#include "stdlib/complex/float32/imag.h" +#include "stdlib/ndarray/ctor.h" +#include "stdlib/ndarray/dtypes.h" +#include "stdlib/ndarray/index_modes.h" +#include "stdlib/ndarray/orders.h" +#include "stdlib/ndarray/base/bytes_per_element.h" +#include +#include +#include + +int main( void ) { + // Create a data buffer: + const float data[] = { 1.0f, -2.0f, 3.0f, -4.0f, 5.0f, -6.0f, 7.0f, -8.0f }; + + // Specify the number of array dimensions: + const int64_t ndims = 1; + + // Specify the array shape: + int64_t shape[] = { 4 }; + + // Specify the array strides: + int64_t strides[] = { STDLIB_NDARRAY_COMPLEX64_BYTES_PER_ELEMENT }; + + // Specify the byte offset: + const int64_t offset = 0; + + // Specify the array order: + const enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR; + + // Specify the index mode: + const enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR; + + // Specify the subscript index modes: + int8_t submodes[] = { STDLIB_NDARRAY_INDEX_ERROR }; + const int64_t nsubmodes = 1; + + // Create an ndarray: + struct ndarray *x = stdlib_ndarray_allocate( STDLIB_NDARRAY_COMPLEX64, (uint8_t *)data, ndims, shape, strides, offset, order, imode, nsubmodes, submodes ); + if ( x == NULL ) { + fprintf( stderr, "Error allocating memory.\n" ); + exit( 1 ); + } + + // Define a list of ndarrays: + const struct ndarray *arrays[] = { x }; + + // Compute the sum: + stdlib_complex64_t v = stdlib_blas_ext_csum( arrays ); + + // Print the result: + printf( "sum: %f + %fi\n", stdlib_complex64_real( v ), stdlib_complex64_imag( v ) ); + + // Free allocated memory: + stdlib_ndarray_free( x ); +} +``` + +
+ + + +
+ + +