[Coverity CID :210608] Incompatible cast in tests/lib/cmsis_dsp/fastmath/src/f32.c

[zephyrbot]

Static code scan issues found in file:

https://github.com/zephyrproject-rtos/zephyr/tree/4653b4e63f886a50ac7b72f8d47ba2950ab2dd0d/tests/lib/cmsis_dsp/fastmath/src/f32.c#L108

Category: Integer handling issues
Function: test_arm_sqrt_f32
Component: Tests
CID: 210608

Details:

107         /* Validate output */
108         zassert_true(
109             test_snr_error_f32(length, output, (float32_t *)ref_sqrt,
110                 SNR_ERROR_THRESH),
111             ASSERT_MSG_SNR_LIMIT_EXCEED);
112    
>>>     CID 210608:    (INCOMPATIBLE_CAST)
>>>     Pointer "ref_sqrt" points to an object whose effective type is "unsigned int" (integral) but is dereferenced as a "float" (floating point). The cast will not convert the value of the object.
113         zassert_true(
114             test_close_error_f32(length, output, (float32_t *)ref_sqrt,
115                 ABS_ERROR_THRESH, REL_ERROR_THRESH),
116             ASSERT_MSG_ERROR_LIMIT_EXCEED);
117    
118         /* Free output buffer */
102                 zassert_equal(status, ARM_MATH_SUCCESS,
103                     "square root operation did not succeed");
104             }
105         }
106    
107         /* Validate output */
>>>     CID 210608:    (INCOMPATIBLE_CAST)
>>>     Pointer "ref_sqrt" points to an object whose effective type is "unsigned int" (integral) but is dereferenced as a "float" (floating point). The cast will not convert the value of the object.
108         zassert_true(
109             test_snr_error_f32(length, output, (float32_t *)ref_sqrt,
110                 SNR_ERROR_THRESH),
111             ASSERT_MSG_SNR_LIMIT_EXCEED);
112    
113         zassert_true(

Please fix or provide comments in coverity using the link:

https://scan9.coverity.com/reports.htm#v32951/p12996.

Note: This issue was created automatically. Priority was set based on classification
of the file affected and the impact field in coverity. Assignees were set using the CODEOWNERS file.

[stephanosio]

Intentional-Ignore

For more details, refer to the Coverity history.