Vector variants of the new C23 log10p1 routines.

Note: Benchmark inputs for log10p1(f) are identical to log1p(f)

Reviewed-by: Wilco Dijkstra  <Wilco.Dijkstra@arm.com>

Vector variants of the new C23 log2p1 routines.

Note: Benchmark inputs for log2p1(f) are identical to log1p(f).

Reviewed-by: Wilco Dijkstra  <Wilco.Dijkstra@arm.com>

Vector variants of the new C23 exp2m1 & exp10m1 routines.

Note: Benchmark inputs for exp2m1 & exp10m1 are identical to exp2 & exp10
respectively, this also includes the floating point variations.

Reviewed-by: Wilco Dijkstra  <Wilco.Dijkstra@arm.com>

Implement double and single precision variants of the C23 routine atan2pi
for both AdvSIMD and SVE.

Reviewed-by: Wilco Dijkstra  <Wilco.Dijkstra@arm.com>

Implement double and single precision variants of the C23 routine atanpi
for both AdvSIMD and SVE.

Reviewed-by: Wilco Dijkstra  <Wilco.Dijkstra@arm.com>

Implement double and single precision variants of the C23 routine asinpi
for both AdvSIMD and SVE.

Reviewed-by: Wilco Dijkstra  <Wilco.Dijkstra@arm.com>

Implement double and single precision variants of the C23 routine acospi
for both AdvSIMD and SVE.

Reviewed-by: Wilco Dijkstra  <Wilco.Dijkstra@arm.com>

Vector variant of the new C23 tanpi. New tests pass on AArch64.

Vector variant of the new C23 cospi. New tests pass on AArch64.

Vector variant of the new C23 sinpi. New tests pass on AArch64.