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Diffstat (limited to 'ref_vrecpe.c')
| -rw-r--r-- | ref_vrecpe.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/ref_vrecpe.c b/ref_vrecpe.c new file mode 100644 index 0000000..5bbbf7c --- /dev/null +++ b/ref_vrecpe.c @@ -0,0 +1,143 @@ +/* + +Copyright (c) 2009, 2010, 2011 STMicroelectronics +Written by Christophe Lyon + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. + +*/ + +#if defined(__arm__) || defined(__aarch64__) +#include <arm_neon.h> +#else +#include "stm-arm-neon.h" +#endif + +#include "stm-arm-neon-ref.h" +#include <math.h> + +#define TEST_MSG "VRECPE/VRECPEQ" +void exec_vrecpe(void) +{ + int i; + + /* Basic test: y=vrecpe(x), then store the result. */ +#define TEST_VRECPE(Q, T1, T2, W, N) \ + VECT_VAR(vector_res, T1, W, N) = \ + vrecpe##Q##_##T2##W(VECT_VAR(vector, T1, W, N)); \ + vst1##Q##_##T2##W(VECT_VAR(result, T1, W, N), \ + VECT_VAR(vector_res, T1, W, N)) + + /* With ARM RVCT, we need to declare variables before any executable + statement */ + + /* No need for 64 bits variants */ + DECL_VARIABLE(vector, uint, 32, 2); + DECL_VARIABLE(vector, uint, 32, 4); + DECL_VARIABLE(vector, float, 32, 2); + DECL_VARIABLE(vector, float, 32, 4); + + DECL_VARIABLE(vector_res, uint, 32, 2); + DECL_VARIABLE(vector_res, uint, 32, 4); + DECL_VARIABLE(vector_res, float, 32, 2); + DECL_VARIABLE(vector_res, float, 32, 4); + + clean_results (); + + /* Choose init value arbitrarily */ + VDUP(vector, , uint, u, 32, 2, 0x12345678); + VDUP(vector, , float, f, 32, 2, 1.9f); + VDUP(vector, q, uint, u, 32, 4, 0xABCDEF10); + VDUP(vector, q, float, f, 32, 4, 125.0f); + + /* Apply the operator */ + TEST_VRECPE(, uint, u, 32, 2); + TEST_VRECPE(, float, f, 32, 2); + TEST_VRECPE(q, uint, u, 32, 4); + TEST_VRECPE(q, float, f, 32, 4); + + fprintf (ref_file, "\n%s %s output:\n", TEST_MSG, " (positive input)"); + DUMP(TEST_MSG, uint, 32, 2, PRIx32); + DUMP(TEST_MSG, uint, 32, 4, PRIx32); + DUMP_FP(TEST_MSG, float, 32, 2, PRIx32); + DUMP_FP(TEST_MSG, float, 32, 4, PRIx32); + + /* Choose init value arbitrarily */ + VDUP(vector, , uint, u, 32, 2, 0xFFFFFFFF); + VDUP(vector, , float, f, 32, 2, -10.0f); + VDUP(vector, q, uint, u, 32, 4, 0x89081234); + VDUP(vector, q, float, f, 32, 4, -125.0f); + + /* Apply the operator */ + TEST_VRECPE(, uint, u, 32, 2); + TEST_VRECPE(, float, f, 32, 2); + TEST_VRECPE(q, uint, u, 32, 4); + TEST_VRECPE(q, float, f, 32, 4); + + fprintf (ref_file, "\n%s %s output:\n", TEST_MSG, " (negative input)"); + DUMP(TEST_MSG, uint, 32, 2, PRIx32); + DUMP(TEST_MSG, uint, 32, 4, PRIx32); + DUMP_FP(TEST_MSG, float, 32, 2, PRIx32); + DUMP_FP(TEST_MSG, float, 32, 4, PRIx32); + + /* Test FP variants with special input values (NaN, infinity) */ + VDUP(vector, , float, f, 32, 2, NAN); + VDUP(vector, q, float, f, 32, 4, HUGE_VALF); + + /* Apply the operator */ + TEST_VRECPE(, float, f, 32, 2); + TEST_VRECPE(q, float, f, 32, 4); + + fprintf (ref_file, "\n%s %s output:\n", TEST_MSG, " FP special (NaN, infinity)"); + DUMP_FP(TEST_MSG, float, 32, 2, PRIx32); + DUMP_FP(TEST_MSG, float, 32, 4, PRIx32); + + /* Test FP variants with special input values (zero, large value) */ + VDUP(vector, , float, f, 32, 2, 0.0f); + VDUP(vector, q, float, f, 32, 4, 9.0e37f); + + /* Apply the operator */ + TEST_VRECPE(, float, f, 32, 2); + TEST_VRECPE(q, float, f, 32, 4); + + fprintf (ref_file, "\n%s %s output:\n", TEST_MSG, " FP special (zero, large value)"); + DUMP_FP(TEST_MSG, float, 32, 2, PRIx32); + DUMP_FP(TEST_MSG, float, 32, 4, PRIx32); + + /* Test FP variants with special input values (-0, -infinity) */ + VDUP(vector, , float, f, 32, 2, -0.0f); + VDUP(vector, q, float, f, 32, 4, -HUGE_VALF); + + /* Apply the operator */ + TEST_VRECPE(, float, f, 32, 2); + TEST_VRECPE(q, float, f, 32, 4); + + fprintf (ref_file, "\n%s %s output:\n", TEST_MSG, " FP special (-0, -infinity)"); + DUMP_FP(TEST_MSG, float, 32, 2, PRIx32); + DUMP_FP(TEST_MSG, float, 32, 4, PRIx32); + + /* Test FP variants with special input values (large negative value) */ + VDUP(vector, , float, f, 32, 2, -9.0e37f); + + /* Apply the operator */ + TEST_VRECPE(, float, f, 32, 2); + + fprintf (ref_file, "\n%s %s output:\n", TEST_MSG, " FP special (large negative value)"); + DUMP_FP(TEST_MSG, float, 32, 2, PRIx32); +} |