Project Ne10
An open, optimized software library for the ARM architecture.
Functions | Variables
Vector Subtraction (w[i] = u[i] - v)

Functions

ne10_result_t ne10_subc_float_c (ne10_float32_t *dst, ne10_float32_t *src, const ne10_float32_t cst, ne10_uint32_t count)
 Specific implementation of ne10_subc_float using plain C code. More...
 
ne10_result_t ne10_subc_float_neon (ne10_float32_t *dst, ne10_float32_t *src, const ne10_float32_t cst, ne10_uint32_t count)
 Specific implementation of ne10_subc_float using NEON intrinsics. More...
 
ne10_result_t ne10_subc_float_asm (ne10_float32_t *dst, ne10_float32_t *src, const ne10_float32_t cst, ne10_uint32_t count)
 Specific implementation of ne10_subc_float using NEON assembly. More...
 
ne10_result_t ne10_subc_vec2f_c (ne10_vec2f_t *dst, ne10_vec2f_t *src, const ne10_vec2f_t *cst, ne10_uint32_t count)
 Specific implementation of ne10_subc_vec2f using plain C code. More...
 
ne10_result_t ne10_subc_vec2f_neon (ne10_vec2f_t *dst, ne10_vec2f_t *src, const ne10_vec2f_t *cst, ne10_uint32_t count)
 Specific implementation of ne10_subc_vec2f using NEON intrinsics. More...
 
ne10_result_t ne10_subc_vec2f_asm (ne10_vec2f_t *dst, ne10_vec2f_t *src, const ne10_vec2f_t *cst, ne10_uint32_t count)
 Specific implementation of ne10_subc_vec2f using NEON assembly. More...
 
ne10_result_t ne10_subc_vec3f_c (ne10_vec3f_t *dst, ne10_vec3f_t *src, const ne10_vec3f_t *cst, ne10_uint32_t count)
 Specific implementation of ne10_subc_vec3f using plain C code. More...
 
ne10_result_t ne10_subc_vec3f_neon (ne10_vec3f_t *dst, ne10_vec3f_t *src, const ne10_vec3f_t *cst, ne10_uint32_t count)
 Specific implementation of ne10_subc_vec3f using NEON intrinsics. More...
 
ne10_result_t ne10_subc_vec3f_asm (ne10_vec3f_t *dst, ne10_vec3f_t *src, const ne10_vec3f_t *cst, ne10_uint32_t count)
 Specific implementation of ne10_subc_vec3f using NEON assembly. More...
 
ne10_result_t ne10_subc_vec4f_c (ne10_vec4f_t *dst, ne10_vec4f_t *src, const ne10_vec4f_t *cst, ne10_uint32_t count)
 Specific implementation of ne10_subc_vec4f using plain C code. More...
 
ne10_result_t ne10_subc_vec4f_neon (ne10_vec4f_t *dst, ne10_vec4f_t *src, const ne10_vec4f_t *cst, ne10_uint32_t count)
 Specific implementation of ne10_subc_vec4f using NEON intrinsics. More...
 
ne10_result_t ne10_subc_vec4f_asm (ne10_vec4f_t *dst, ne10_vec4f_t *src, const ne10_vec4f_t *cst, ne10_uint32_t count)
 Specific implementation of ne10_subc_vec4f using NEON assembly. More...
 
ne10_result_t ne10_sub_float_c (ne10_float32_t *dst, ne10_float32_t *src1, ne10_float32_t *src2, ne10_uint32_t count)
 Specific implementation of ne10_sub_float using plain C code. More...
 
ne10_result_t ne10_sub_float_neon (ne10_float32_t *dst, ne10_float32_t *src1, ne10_float32_t *src2, ne10_uint32_t count) asm("ne10_sub_float_neon")
 Specific implementation of ne10_sub_float using NEON intrinsics. More...
 
ne10_result_t ne10_sub_float_asm (ne10_float32_t *dst, ne10_float32_t *src1, ne10_float32_t *src2, ne10_uint32_t count)
 Specific implementation of ne10_sub_float using NEON assembly. More...
 
ne10_result_t ne10_sub_vec2f_c (ne10_vec2f_t *dst, ne10_vec2f_t *src1, ne10_vec2f_t *src2, ne10_uint32_t count)
 Specific implementation of ne10_sub_vec2f using plain C code. More...
 
ne10_result_t ne10_sub_vec2f_neon (ne10_vec2f_t *dst, ne10_vec2f_t *src1, ne10_vec2f_t *src2, ne10_uint32_t count) asm("ne10_sub_vec2f_neon")
 Specific implementation of ne10_sub_vec2f using NEON intrinsics. More...
 
ne10_result_t ne10_sub_vec2f_asm (ne10_vec2f_t *dst, ne10_vec2f_t *src1, ne10_vec2f_t *src2, ne10_uint32_t count)
 Specific implementation of ne10_sub_vec2f using NEON assembly. More...
 
ne10_result_t ne10_sub_vec3f_c (ne10_vec3f_t *dst, ne10_vec3f_t *src1, ne10_vec3f_t *src2, ne10_uint32_t count)
 Specific implementation of ne10_sub_vec3f using plain C code. More...
 
ne10_result_t ne10_sub_vec3f_neon (ne10_vec3f_t *dst, ne10_vec3f_t *src1, ne10_vec3f_t *src2, ne10_uint32_t count) asm("ne10_sub_vec3f_neon")
 Specific implementation of ne10_sub_vec3f using NEON intrinsics. More...
 
ne10_result_t ne10_sub_vec3f_asm (ne10_vec3f_t *dst, ne10_vec3f_t *src1, ne10_vec3f_t *src2, ne10_uint32_t count)
 Specific implementation of ne10_sub_vec3f using NEON assembly. More...
 
ne10_result_t ne10_sub_vec4f_c (ne10_vec4f_t *dst, ne10_vec4f_t *src1, ne10_vec4f_t *src2, ne10_uint32_t count)
 Specific implementation of ne10_sub_vec4f using plain C code. More...
 
ne10_result_t ne10_sub_vec4f_neon (ne10_vec4f_t *dst, ne10_vec4f_t *src1, ne10_vec4f_t *src2, ne10_uint32_t count) asm("ne10_sub_vec4f_neon")
 Specific implementation of ne10_sub_vec4f using NEON intrinsics. More...
 
ne10_result_t ne10_sub_vec4f_asm (ne10_vec4f_t *dst, ne10_vec4f_t *src1, ne10_vec4f_t *src2, ne10_uint32_t count)
 Specific implementation of ne10_sub_vec4f using NEON assembly. More...
 

Variables

ne10_result_t(* ne10_subc_float )(ne10_float32_t *dst, ne10_float32_t *src, const ne10_float32_t cst, ne10_uint32_t count)
 Subtracts a constant scalar value from all elements of an input array, storing the results in an output array. More...
 
ne10_result_t(* ne10_subc_vec2f )(ne10_vec2f_t *dst, ne10_vec2f_t *src, const ne10_vec2f_t *cst, ne10_uint32_t count)
 Subtracts a constant 2D vector from all the vectors in an input array, storing the results in an output array. More...
 
ne10_result_t(* ne10_subc_vec3f )(ne10_vec3f_t *dst, ne10_vec3f_t *src, const ne10_vec3f_t *cst, ne10_uint32_t count)
 Subtracts a constant 3D vector from all the vectors in an input array, storing the results in an output array. More...
 
ne10_result_t(* ne10_subc_vec4f )(ne10_vec4f_t *dst, ne10_vec4f_t *src, const ne10_vec4f_t *cst, ne10_uint32_t count)
 Subtracts a constant 4D vector from all the vectors in an input array, storing the results in an output array. More...
 
ne10_result_t(* ne10_sub_float )(ne10_float32_t *dst, ne10_float32_t *src1, ne10_float32_t *src2, ne10_uint32_t count)
 Subtracts the scalar elements of one input array from those of the same index in another, storing the results in an output array. More...
 
ne10_result_t(* ne10_sub_vec2f )(ne10_vec2f_t *dst, ne10_vec2f_t *src1, ne10_vec2f_t *src2, ne10_uint32_t count)
 Subtracts the 2D vectors of one input array from those of the same index in another, storing the results in an output array. More...
 
ne10_result_t(* ne10_sub_vec3f )(ne10_vec3f_t *dst, ne10_vec3f_t *src1, ne10_vec3f_t *src2, ne10_uint32_t count)
 Subtracts the 3D vectors of one input array from those of the same index in another, storing the results in an output array. More...
 
ne10_result_t(* ne10_sub_vec4f )(ne10_vec4f_t *dst, ne10_vec4f_t *src1, ne10_vec4f_t *src2, ne10_uint32_t count)
 Subtracts the 4D vectors of one input array from those of the same index in another, storing the results in an output array. More...
 

Detailed Description

These functions implement vector subtraction operations for single precision floating point values.

Function Documentation

ne10_result_t ne10_sub_float_asm ( ne10_float32_t dst,
ne10_float32_t src1,
ne10_float32_t src2,
ne10_uint32_t  count 
)

Specific implementation of ne10_sub_float using NEON assembly.

ne10_result_t ne10_sub_float_c ( ne10_float32_t dst,
ne10_float32_t src1,
ne10_float32_t src2,
ne10_uint32_t  count 
)

Specific implementation of ne10_sub_float using plain C code.

Definition at line 37 of file NE10_sub.c.

ne10_result_t ne10_sub_float_neon ( ne10_float32_t dst,
ne10_float32_t src1,
ne10_float32_t src2,
ne10_uint32_t  count 
)

Specific implementation of ne10_sub_float using NEON intrinsics.

ne10_result_t ne10_sub_vec2f_asm ( ne10_vec2f_t dst,
ne10_vec2f_t src1,
ne10_vec2f_t src2,
ne10_uint32_t  count 
)

Specific implementation of ne10_sub_vec2f using NEON assembly.

ne10_result_t ne10_sub_vec2f_c ( ne10_vec2f_t dst,
ne10_vec2f_t src1,
ne10_vec2f_t src2,
ne10_uint32_t  count 
)

Specific implementation of ne10_sub_vec2f using plain C code.

Definition at line 47 of file NE10_sub.c.

ne10_result_t ne10_sub_vec2f_neon ( ne10_vec2f_t dst,
ne10_vec2f_t src1,
ne10_vec2f_t src2,
ne10_uint32_t  count 
)

Specific implementation of ne10_sub_vec2f using NEON intrinsics.

ne10_result_t ne10_sub_vec3f_asm ( ne10_vec3f_t dst,
ne10_vec3f_t src1,
ne10_vec3f_t src2,
ne10_uint32_t  count 
)

Specific implementation of ne10_sub_vec3f using NEON assembly.

ne10_result_t ne10_sub_vec3f_c ( ne10_vec3f_t dst,
ne10_vec3f_t src1,
ne10_vec3f_t src2,
ne10_uint32_t  count 
)

Specific implementation of ne10_sub_vec3f using plain C code.

Definition at line 58 of file NE10_sub.c.

ne10_result_t ne10_sub_vec3f_neon ( ne10_vec3f_t dst,
ne10_vec3f_t src1,
ne10_vec3f_t src2,
ne10_uint32_t  count 
)

Specific implementation of ne10_sub_vec3f using NEON intrinsics.

ne10_result_t ne10_sub_vec4f_asm ( ne10_vec4f_t dst,
ne10_vec4f_t src1,
ne10_vec4f_t src2,
ne10_uint32_t  count 
)

Specific implementation of ne10_sub_vec4f using NEON assembly.

ne10_result_t ne10_sub_vec4f_c ( ne10_vec4f_t dst,
ne10_vec4f_t src1,
ne10_vec4f_t src2,
ne10_uint32_t  count 
)

Specific implementation of ne10_sub_vec4f using plain C code.

Definition at line 70 of file NE10_sub.c.

ne10_result_t ne10_sub_vec4f_neon ( ne10_vec4f_t dst,
ne10_vec4f_t src1,
ne10_vec4f_t src2,
ne10_uint32_t  count 
)

Specific implementation of ne10_sub_vec4f using NEON intrinsics.

ne10_result_t ne10_subc_float_asm ( ne10_float32_t dst,
ne10_float32_t src,
const ne10_float32_t  cst,
ne10_uint32_t  count 
)

Specific implementation of ne10_subc_float using NEON assembly.

ne10_result_t ne10_subc_float_c ( ne10_float32_t dst,
ne10_float32_t src,
const ne10_float32_t  cst,
ne10_uint32_t  count 
)

Specific implementation of ne10_subc_float using plain C code.

Definition at line 37 of file NE10_subc.c.

ne10_result_t ne10_subc_float_neon ( ne10_float32_t dst,
ne10_float32_t src,
const ne10_float32_t  cst,
ne10_uint32_t  count 
)

Specific implementation of ne10_subc_float using NEON intrinsics.

Definition at line 39 of file NE10_subc.neon.c.

ne10_result_t ne10_subc_vec2f_asm ( ne10_vec2f_t dst,
ne10_vec2f_t src,
const ne10_vec2f_t cst,
ne10_uint32_t  count 
)

Specific implementation of ne10_subc_vec2f using NEON assembly.

ne10_result_t ne10_subc_vec2f_c ( ne10_vec2f_t dst,
ne10_vec2f_t src,
const ne10_vec2f_t cst,
ne10_uint32_t  count 
)

Specific implementation of ne10_subc_vec2f using plain C code.

Definition at line 47 of file NE10_subc.c.

ne10_result_t ne10_subc_vec2f_neon ( ne10_vec2f_t dst,
ne10_vec2f_t src,
const ne10_vec2f_t cst,
ne10_uint32_t  count 
)

Specific implementation of ne10_subc_vec2f using NEON intrinsics.

Definition at line 49 of file NE10_subc.neon.c.

ne10_result_t ne10_subc_vec3f_asm ( ne10_vec3f_t dst,
ne10_vec3f_t src,
const ne10_vec3f_t cst,
ne10_uint32_t  count 
)

Specific implementation of ne10_subc_vec3f using NEON assembly.

ne10_result_t ne10_subc_vec3f_c ( ne10_vec3f_t dst,
ne10_vec3f_t src,
const ne10_vec3f_t cst,
ne10_uint32_t  count 
)

Specific implementation of ne10_subc_vec3f using plain C code.

Definition at line 58 of file NE10_subc.c.

ne10_result_t ne10_subc_vec3f_neon ( ne10_vec3f_t dst,
ne10_vec3f_t src,
const ne10_vec3f_t cst,
ne10_uint32_t  count 
)

Specific implementation of ne10_subc_vec3f using NEON intrinsics.

Definition at line 59 of file NE10_subc.neon.c.

ne10_result_t ne10_subc_vec4f_asm ( ne10_vec4f_t dst,
ne10_vec4f_t src,
const ne10_vec4f_t cst,
ne10_uint32_t  count 
)

Specific implementation of ne10_subc_vec4f using NEON assembly.

ne10_result_t ne10_subc_vec4f_c ( ne10_vec4f_t dst,
ne10_vec4f_t src,
const ne10_vec4f_t cst,
ne10_uint32_t  count 
)

Specific implementation of ne10_subc_vec4f using plain C code.

Definition at line 70 of file NE10_subc.c.

ne10_result_t ne10_subc_vec4f_neon ( ne10_vec4f_t dst,
ne10_vec4f_t src,
const ne10_vec4f_t cst,
ne10_uint32_t  count 
)

Specific implementation of ne10_subc_vec4f using NEON intrinsics.

Definition at line 73 of file NE10_subc.neon.c.

Variable Documentation

ne10_result_t(* ne10_sub_float) (ne10_float32_t *dst, ne10_float32_t *src1, ne10_float32_t *src2, ne10_uint32_t count)

Subtracts the scalar elements of one input array from those of the same index in another, storing the results in an output array.

Points to ne10_sub_float_c, ne10_sub_float_neon, or ne10_sub_float_asm. This operation can be performed in-place.

Parameters
[out]dstPointer to the destination array
[in]src1Pointer to the source array of elements to be subtracted from
[in]src2Pointer to the source array of elements to subtract
[in]countThe number of subtractions to be performed (i.e. the length of the source arrays)

Definition at line 249 of file NE10_init_math.c.

ne10_result_t(* ne10_sub_vec2f) (ne10_vec2f_t *dst, ne10_vec2f_t *src1, ne10_vec2f_t *src2, ne10_uint32_t count)

Subtracts the 2D vectors of one input array from those of the same index in another, storing the results in an output array.

Points to ne10_sub_vec2f_c, ne10_sub_vec2f_neon, or ne10_sub_vec2f_asm. This operation can be performed in-place.

Parameters
[out]dstPointer to the destination array
[in]src1Pointer to the source array of elements to be subtracted from
[in]src2Pointer to the source array of elements to subtract
[in]countThe number of subtractions to be performed (i.e. the length of the source arrays)

Definition at line 276 of file NE10_init_math.c.

ne10_result_t(* ne10_sub_vec3f) (ne10_vec3f_t *dst, ne10_vec3f_t *src1, ne10_vec3f_t *src2, ne10_uint32_t count)

Subtracts the 3D vectors of one input array from those of the same index in another, storing the results in an output array.

Points to ne10_sub_vec3f_c, ne10_sub_vec3f_neon, or ne10_sub_vec3f_asm. This operation can be performed in-place.

Parameters
[out]dstPointer to the destination array
[in]src1Pointer to the source array of elements to be subtracted from
[in]src2Pointer to the source array of elements to subtract
[in]countThe number of subtractions to be performed (i.e. the length of the source arrays)

Definition at line 277 of file NE10_init_math.c.

ne10_result_t(* ne10_sub_vec4f) (ne10_vec4f_t *dst, ne10_vec4f_t *src1, ne10_vec4f_t *src2, ne10_uint32_t count)

Subtracts the 4D vectors of one input array from those of the same index in another, storing the results in an output array.

Points to ne10_sub_vec4f_c, ne10_sub_vec4f_neon, or ne10_sub_vec4f_asm. This operation can be performed in-place.

Parameters
[out]dstPointer to the destination array
[in]src1Pointer to the source array of elements to be subtracted from
[in]src2Pointer to the source array of elements to subtract
[in]countThe number of subtractions to be performed (i.e. the length of the source arrays)

Definition at line 278 of file NE10_init_math.c.

ne10_result_t(* ne10_subc_float) (ne10_float32_t *dst, ne10_float32_t *src, const ne10_float32_t cst, ne10_uint32_t count)

Subtracts a constant scalar value from all elements of an input array, storing the results in an output array.

Points to ne10_subc_float_c, ne10_subc_float_neon, or ne10_subc_float_asm. This operation can be performed in-place.

Parameters
[out]dstPointer to the destination array
[in]srcPointer to the source array
[in]cstThe constant to be subtracted
[in]countThe number of scalar values to be processed

Definition at line 224 of file NE10_init_math.c.

ne10_result_t(* ne10_subc_vec2f) (ne10_vec2f_t *dst, ne10_vec2f_t *src, const ne10_vec2f_t *cst, ne10_uint32_t count)

Subtracts a constant 2D vector from all the vectors in an input array, storing the results in an output array.

Points to ne10_subc_vec2f_c, ne10_subc_vec2f_neon, or ne10_subc_vec2f_asm. This operation can be performed in-place.

Parameters
[out]dstPointer to the destination array
[in]srcPointer to the source array
[in]cstPointer to the constant 2D vector be subtract
[in]countThe number of 2D vectors to be processed

Definition at line 225 of file NE10_init_math.c.

ne10_result_t(* ne10_subc_vec3f) (ne10_vec3f_t *dst, ne10_vec3f_t *src, const ne10_vec3f_t *cst, ne10_uint32_t count)

Subtracts a constant 3D vector from all the vectors in an input array, storing the results in an output array.

Points to ne10_subc_vec3f_c, ne10_subc_vec3f_neon, or ne10_subc_vec3f_asm. This operation can be performed in-place.

Parameters
[out]dstPointer to the destination array
[in]srcPointer to the source array
[in]cstPointer to the constant 3D vector to subtract
[in]countThe number of 3D vectors to be processed

Definition at line 226 of file NE10_init_math.c.

ne10_result_t(* ne10_subc_vec4f) (ne10_vec4f_t *dst, ne10_vec4f_t *src, const ne10_vec4f_t *cst, ne10_uint32_t count)

Subtracts a constant 4D vector from all the vectors in an input array, storing the results in an output array.

Points to ne10_subc_vec4f_c, ne10_subc_vec4f_neon, or ne10_subc_vec4f_asm. This operation can be performed in-place.

Parameters
[out]dstPointer to the destination array
[in]srcPointer to the source array
[in]cstPointer to the constant 4D vector to subtract
[in]countThe number of 4D vectors to be processed

Definition at line 227 of file NE10_init_math.c.