Cody

# Problem 1165. Convert double scalar to half-precision floating point (IEEE 754r)

Solution 186138

Submitted on 4 Jan 2013
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### Test Suite

Test Status Code Input and Output
1   Fail
%% assert(double2half(2^(-24)) == uint16(1)) % Smallest number

```Error: D must be a non-negative integer smaller than 2^52. ```

2   Fail
%% assert(double2half(2^(-25)) == uint16(1)) % Rounds up to smallest number

```Error: D must be a non-negative integer smaller than 2^52. ```

3   Fail
%% assert(double2half(2^(-26)) == uint16(0)) % Rounds down to zero

```Error: D must be a non-negative integer smaller than 2^52. ```

4   Pass
%% assert(bin2dec('0 01111 0000000000') == double2half(1))

``` ```

5   Fail
%% assert(bin2dec('0 01111 0000000001') == double2half(1 + 2^(-10)))

```Error: Assertion failed. ```

6   Pass
%% assert(bin2dec('1 10000 0000000000') == double2half(-2))

``` ```

7   Fail
%% assert(bin2dec('0 11110 1111111111') == double2half(65504))

```Error: Assertion failed. ```

8   Pass
%% assert(bin2dec('0 00001 0000000000') == double2half(2^(-14)))

``` ```

9   Fail
%% assert(bin2dec('0 00000 1111111111') == double2half(2^(-14) - 2^(-24)))

```Error: Assertion failed. ```

10   Fail
%% assert(bin2dec('0 00000 0000000001') == double2half(2^(-24)))

```Error: D must be a non-negative integer smaller than 2^52. ```

11   Fail
%% assert(bin2dec('0 00000 0000000000') == double2half(0))

```Error: D must be a non-negative integer smaller than 2^52. ```

12   Fail
%% assert(bin2dec('1 00000 0000000000') == double2half(-0))

```Error: D must be a non-negative integer smaller than 2^52. ```

13   Fail
%% assert(bin2dec('0 11111 0000000000') == double2half(inf))

```Error: In an assignment A(:) = B, the number of elements in A and B must be the same. ```

14   Fail
%% assert(bin2dec('1 11111 0000000000') == double2half(-inf))

```Error: In an assignment A(:) = B, the number of elements in A and B must be the same. ```

15   Fail
%% assert(bin2dec('0 01101 0101010101') == double2half(0.33325))

```Error: Assertion failed. ```