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[NFCI] Remove unused variables and enable -Wunused-variable (#1483)

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Remove unused variables throughout the code base and enable the
`-Wunused-variable` warning flag globally to prevent new unused
variable issues being introduced in the future.

This is mostly a non-functional change, with one exception:

 - In `test_conformance/api/test_kernel_arg_info.cpp`, an error check
   of the clGetDeviceInfo return value was added.

Signed-off-by: Sven van Haastregt <sven.vanhaastregt@arm.com>
This commit is contained in:
Sven van Haastregt
2022-09-08 12:54:36 +01:00
committed by GitHub
parent fec9d9a238
commit 6554c49018
49 changed files with 29 additions and 112 deletions
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4
test_conformance/math_brute_force/reference_math.cpp
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@@ -5357,10 +5357,10 @@ long double reference_acosl(long double x)
0x3243F6A8885A308DULL, 0x313198A2E0370734ULL
}; // first 126 bits of pi
// http://www.super-computing.org/pi-hexa_current.html
long double head, tail, temp;
long double head, tail;
#if __LDBL_MANT_DIG__ >= 64
// long double has 64-bits of precision or greater
temp = (long double)pi_bits[0] * 0x1.0p64L;
long double temp = (long double)pi_bits[0] * 0x1.0p64L;
head = temp + (long double)pi_bits[1];
temp -= head; // rounding err rounding pi_bits[1] into head
tail = (long double)pi_bits[1] + temp;