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v?frac

Interface Definition

C interface:

void vsfrac(const int len, const float* src, float* dst);

void vdfrac(const int len, const double* src, double* dst);

Parameters

Parameter

Type

Description

Input/Output

len

Integer

Number of elements in the input vector.

If len ≤ 0, the system displays a message indicating that the value of len is invalid.

Input

src
  • Single-precision floating-point type for vsfrac
  • Double-precision floating-point type for vdfrac

Input vector src with length len.

If the pointer is null, the system prompts a null pointer error.

Input

dst
  • Single-precision floating-point type for vsfrac
  • Double-precision floating-point type for vdfrac

Output vector dst with length len.

If the pointer is null, the system prompts a null pointer error.

Output

Return Value

  • The factional part of x is returned for each operation value.
  • For special values, see the following table.

    Input Value (src)

    Output Value (dst)

    +0

    +0

    -0

    -0

    +inf

    +0

    -inf

    -0

    nan

    nan

Dependency

C: "kvml.h"

Example

C interface:
float src[LEN] = {1.1f, -2.6f, INFINITY, NAN};
float* dst = (float*)malloc(sizeof(float) * LEN);
if (dst == NULL) {
    printf("Malloc Failed!\n");
    return;
}
vsfrac(LEN, src, dst);
/**
 *  Output dst:
 *     0.1  -0.6  0.0  nan
 *
 */
Parent topic: Function Syntax