## Usage
```javascript
var blas = require( '@stdlib/blas/base' );
```
#### blas
Namespace for "base" (i.e., lower-level) basic linear algebra subprograms (BLAS).
```javascript
var o = blas;
// returns {...}
```
### BLAS Level 1
- [`caxpy( N, ca, cx, strideX, cy, strideY )`][@stdlib/blas/base/caxpy]: scale a single-precision complex floating-point vector by a single-precision complex floating-point constant and add the result to a single-precision complex floating-point vector.
- [`ccopy( N, x, strideX, y, strideY )`][@stdlib/blas/base/ccopy]: copy values from one complex single-precision floating-point vector to another complex single-precision floating-point vector.
- [`cscal( N, ca, cx, strideX )`][@stdlib/blas/base/cscal]: scales a single-precision complex floating-point vector by a single-precision complex floating-point constant.
- [`csrot( N, cx, strideX, cy, strideY, c, s )`][@stdlib/blas/base/csrot]: applies a plane rotation.
- [`cswap( N, x, strideX, y, strideY )`][@stdlib/blas/base/cswap]: interchange two complex single-precision floating-point vectors.
- [`dasum( N, x, stride )`][@stdlib/blas/base/dasum]: compute the sum of absolute values (_L1_ norm).
- [`daxpy( N, alpha, x, strideX, y, strideY )`][@stdlib/blas/base/daxpy]: multiply a vector `x` by a constant `alpha` and add the result to `y`.
- [`dcopy( N, x, strideX, y, strideY )`][@stdlib/blas/base/dcopy]: copy values from `x` into `y`.
- [`ddot( N, x, strideX, y, strideY )`][@stdlib/blas/base/ddot]: calculate the dot product of two double-precision floating-point vectors.
- [`dnrm2( N, x, stride )`][@stdlib/blas/base/dnrm2]: calculate the L2-norm of a double-precision floating-point vector.
- [`drot( N, x, strideX, y, strideY, c, s )`][@stdlib/blas/base/drot]: apply a plane rotation.
- [`drotg( a, b )`][@stdlib/blas/base/drotg]: construct a Givens plane rotation.
- [`drotm( N, x, strideX, y, strideY, param )`][@stdlib/blas/base/drotm]: apply a modified Givens plane rotation.
- [`dscal( N, alpha, x, stride )`][@stdlib/blas/base/dscal]: multiply a double-precision floating-point vector `x` by a constant `alpha`.
- [`dsdot( N, x, strideX, y, strideY )`][@stdlib/blas/base/dsdot]: calculate the dot product with extended accumulation and result of two single-precision floating-point vectors.
- [`dswap( N, x, strideX, y, strideY )`][@stdlib/blas/base/dswap]: interchange two double-precision floating-point vectors.
- [`dznrm2( N, zx, strideX )`][@stdlib/blas/base/dznrm2]: compute the L2-norm of a complex double-precision floating-point vector.
- [`gasum( N, x, stride )`][@stdlib/blas/base/gasum]: compute the sum of absolute values (_L1_ norm).
- [`gaxpy( N, alpha, x, strideX, y, strideY )`][@stdlib/blas/base/gaxpy]: multiply `x` by a constant `alpha` and add the result to `y`.
- [`gcopy( N, x, strideX, y, strideY )`][@stdlib/blas/base/gcopy]: copy values from `x` into `y`.
- [`gdot( N, x, strideX, y, strideY )`][@stdlib/blas/base/gdot]: calculate the dot product of two vectors.
- [`gnrm2( N, x, stride )`][@stdlib/blas/base/gnrm2]: calculate the L2-norm of a vector.
- [`gscal( N, alpha, x, stride )`][@stdlib/blas/base/gscal]: multiply a vector `x` by a constant `alpha`.
- [`gswap( N, x, strideX, y, strideY )`][@stdlib/blas/base/gswap]: interchange two vectors.
- [`idamax( N, x, strideX )`][@stdlib/blas/base/idamax]: find the index of the first element having the maximum absolute value.
- [`isamax( N, x, strideX )`][@stdlib/blas/base/isamax]: find the index of the first element having the maximum absolute value.
- [`sasum( N, x, stride )`][@stdlib/blas/base/sasum]: compute the sum of absolute values (_L1_ norm).
- [`saxpy( N, alpha, x, strideX, y, strideY )`][@stdlib/blas/base/saxpy]: multiply a vector `x` by a constant `alpha` and add the result to `y`.
- [`scasum( N, cx, strideX )`][@stdlib/blas/base/scasum]: compute the sum of the absolute values of the real and imaginary components of a single-precision complex floating-point vector.
- [`scnrm2( N, cx, strideX )`][@stdlib/blas/base/scnrm2]: compute the L2-norm of a complex single-precision floating-point vector.
- [`scopy( N, x, strideX, y, strideY )`][@stdlib/blas/base/scopy]: copy values from `x` into `y`.
- [`sdot( N, x, strideX, y, strideY )`][@stdlib/blas/base/sdot]: calculate the dot product of two single-precision floating-point vectors.
- [`sdsdot( N, scalar, x, strideX, y, strideY )`][@stdlib/blas/base/sdsdot]: calculate the dot product of two single-precision floating-point vectors with extended accumulation.
- [`snrm2( N, x, stride )`][@stdlib/blas/base/snrm2]: calculate the L2-norm of a single-precision floating-point vector.
- [`srot( N, x, strideX, y, strideY, c, s )`][@stdlib/blas/base/srot]: apply a plane rotation.
- [`srotg( a, b )`][@stdlib/blas/base/srotg]: construct a Givens plane rotation.
- [`srotm( N, x, strideX, y, strideY, param )`][@stdlib/blas/base/srotm]: apply a modified Givens plane rotation.
- [`sscal( N, alpha, x, stride )`][@stdlib/blas/base/sscal]: multiply a single-precision floating-point vector `x` by a constant `alpha`.
- [`sswap( N, x, strideX, y, strideY )`][@stdlib/blas/base/sswap]: interchange two single-precision floating-point vectors.
- [`zaxpy( N, za, zx, strideX, zy, strideY )`][@stdlib/blas/base/zaxpy]: scale a double-precision complex floating-point vector by a double-precision complex floating-point constant and add the result to a double-precision complex floating-point vector.
- [`zcopy( N, x, strideX, y, strideY )`][@stdlib/blas/base/zcopy]: copy values from one complex double-precision floating-point vector to another complex double-precision floating-point vector.
- [`zdrot( N, zx, strideX, zy, strideY, c, s )`][@stdlib/blas/base/zdrot]: applies a plane rotation.
- [`zscal( N, za, zx, strideX )`][@stdlib/blas/base/zscal]: scales a double-precision complex floating-point vector by a double-precision complex floating-point constant.
- [`zswap( N, x, strideX, y, strideY )`][@stdlib/blas/base/zswap]: interchange two complex double-precision floating-point vectors.
### BLAS Level 2
- [`dspmv( order, uplo, N, α, AP, x, sx, β, y, sy )`][@stdlib/blas/base/dspmv]: perform the matrix-vector operation `y = α*A*x + β*y` where `α` and `β` are scalars, `x` and `y` are `N` element vectors and, `A` is an `N` by `N` symmetric matrix supplied in packed form.
- [`dsymv( order, uplo, N, α, A, LDA, x, sx, β, y, sy )`][@stdlib/blas/base/dsymv]: perform the matrix-vector operation `y = α*A*x + β*y` where `α` and `β` are scalars, `x` and `y` are `N` element vectors, and `A` is an `N` by `N` symmetric matrix.
- [`dsyr( order, uplo, N, α, x, sx, A, LDA )`][@stdlib/blas/base/dsyr]: perform the symmetric rank 1 operation `A = α*x*x^T + A`.
- [`dsyr2( order, uplo, N, α, x, sx, y, sy, A, LDA )`][@stdlib/blas/base/dsyr2]: perform the symmetric rank 2 operation `A = α*x*y^T + α*y*x^T + A`.
- [`dtrmv( order, uplo, trans, diag, N, A, LDA, x, sx )`][@stdlib/blas/base/dtrmv]: perform one of the matrix-vector operations `x = A*x` or `x = A^T*x`.
- [`sgemv( ord, trans, M, N, α, A, LDA, x, sx, β, y, sy )`][@stdlib/blas/base/sgemv]: perform one of the matrix-vector operations `y = α*A*x + β*y` or `y = α*A^T*x + β*y`.
- [`sspmv( order, uplo, N, α, AP, x, sx, β, y, sy )`][@stdlib/blas/base/sspmv]: perform the matrix-vector operation `y = α*A*x + β*y` where `α` and `β` are scalars, `x` and `y` are `N` element vectors and, `A` is an `N` by `N` symmetric matrix supplied in packed form.
- [`ssymv( order, uplo, N, α, A, LDA, x, sx, β, y, sy )`][@stdlib/blas/base/ssymv]: perform the matrix-vector operation `y = α*A*x + β*y` where `α` and `β` are scalars, `x` and `y` are `N` element vectors, and `A` is an `N` by `N` symmetric matrix.
- [`ssyr( order, uplo, N, α, x, sx, A, LDA )`][@stdlib/blas/base/ssyr]: perform the symmetric rank 1 operation `A = α*x*x**T + A`.
- [`ssyr2( order, uplo, N, α, x, sx, y, sy, A, LDA )`][@stdlib/blas/base/ssyr2]: perform the symmetric rank 2 operation `A = α*x*y^T + α*y*x^T + A`.
- [`strmv( order, uplo, trans, diag, N, A, LDA, x, sx )`][@stdlib/blas/base/strmv]: perform one of the matrix-vector operations `x = A*x` or `x = A^T*x`.
### BLAS Level 3
### Scalar Operations
- [`dcabs1( z )`][@stdlib/blas/base/dcabs1]: compute the sum of the absolute values of the real part and imaginary components of a double-precision complex floating-point number.
- [`scabs1( z )`][@stdlib/blas/base/scabs1]: compute the sum of the absolute values of the real and imaginary components of a single-precision complex floating-point number.
### Auxiliary BLAS
### Utilities
- [`assert`][@stdlib/blas/base/assert]: base BLAS assertion utilities.
- [`diagonalTypeEnum2Str( value )`][@stdlib/blas/base/diagonal-type-enum2str]: return the BLAS diagonal type string associated with a BLAS diagonal type enumeration constant.
- [`diagonalTypeResolveEnum( value )`][@stdlib/blas/base/diagonal-type-resolve-enum]: return the enumeration constant associated with a supported BLAS diagonal type value.
- [`diagonalTypeResolveStr( value )`][@stdlib/blas/base/diagonal-type-resolve-str]: return the diagonal type string associated with a supported BLAS diagonal type value.
- [`diagonalTypeStr2Enum( diagonal )`][@stdlib/blas/base/diagonal-type-str2enum]: return the enumeration constant associated with a BLAS diagonal type.
- [`diagonalTypes()`][@stdlib/blas/base/diagonal-types]: BLAS diagonal element types.
- [`layoutEnum2Str( layout )`][@stdlib/blas/base/layout-enum2str]: return the BLAS memory layout string associated with a BLAS memory layout enumeration constant.
- [`layoutResolveEnum( layout )`][@stdlib/blas/base/layout-resolve-enum]: return the enumeration constant associated with a supported BLAS memory layout value.
- [`layoutResolveStr( layout )`][@stdlib/blas/base/layout-resolve-str]: return the layout string associated with a supported BLAS memory layout value.
- [`layoutStr2Enum( layout )`][@stdlib/blas/base/layout-str2enum]: return the enumeration constant associated with a BLAS memory layout string.
- [`layouts()`][@stdlib/blas/base/layouts]: BLAS memory layouts.
- [`matrixTriangleEnum2Str( value )`][@stdlib/blas/base/matrix-triangle-enum2str]: return the BLAS matrix triangle string associated with a BLAS matrix triangle enumeration constant.
- [`matrixTriangleResolveEnum( value )`][@stdlib/blas/base/matrix-triangle-resolve-enum]: return the enumeration constant associated with a supported BLAS matrix triangle value.
- [`matrixTriangleResolveStr( value )`][@stdlib/blas/base/matrix-triangle-resolve-str]: return the matrix triangle string associated with a supported BLAS matrix triangle value.
- [`matrixTriangleStr2Enum( operation )`][@stdlib/blas/base/matrix-triangle-str2enum]: return the enumeration constant associated with a BLAS matrix triangle.
- [`matrixTriangles()`][@stdlib/blas/base/matrix-triangles]: BLAS matrix triangles.
- [`operationSideEnum2Str( operation )`][@stdlib/blas/base/operation-side-enum2str]: return the BLAS operation side string associated with a BLAS operation side enumeration constant.
- [`operationSideResolveEnum( operation )`][@stdlib/blas/base/operation-side-resolve-enum]: return the enumeration constant associated with a supported BLAS operation side value.
- [`operationSideResolveStr( operation )`][@stdlib/blas/base/operation-side-resolve-str]: return the operation side string associated with a supported BLAS operation side value.
- [`operationSideStr2Enum( operation )`][@stdlib/blas/base/operation-side-str2enum]: return the enumeration constant associated with a BLAS operation side.
- [`operationSides()`][@stdlib/blas/base/operation-sides]: BLAS operation sides.
- [`transposeOperationEnum2Str( operation )`][@stdlib/blas/base/transpose-operation-enum2str]: return the BLAS transpose operation string associated with a BLAS transpose operation enumeration constant.
- [`transposeOperationResolveEnum( operation )`][@stdlib/blas/base/transpose-operation-resolve-enum]: return the enumeration constant associated with a supported BLAS transpose operation value.
- [`transposeOperationResolveStr( operation )`][@stdlib/blas/base/transpose-operation-resolve-str]: return the transpose operation string associated with a supported BLAS transpose operation value.
- [`transposeOperationStr2Enum( operation )`][@stdlib/blas/base/transpose-operation-str2enum]: return the enumeration constant associated with a BLAS transpose operation.
- [`transposeOperations()`][@stdlib/blas/base/transpose-operations]: BLAS transpose operations.