math/test-math-vector.h

   1 /* Common definitions for libm tests for vector functions.
   2    Copyright (C) 2014-2018 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #define TEST_MATHVEC 1
  20 #define TEST_NARROW 0
  21 #define TEST_FINITE 0
  22 #define TEST_ERRNO 0
  23 #define TEST_EXCEPTIONS 0
  24
  25 #define CNCT(x, y) x ## y
  26 #define CONCAT(a, b) CNCT (a, b)
  27
  28 #define WRAPPER_NAME(function) CONCAT (function, VEC_SUFF)
  29 #define FUNC_TEST(function) WRAPPER_NAME (FUNC (function))
  30
  31 /* This macro is used in VECTOR_WRAPPER macros for vector tests.  */
  32 #define TEST_VEC_LOOP(vec, len)                                 \
  33   do                                                            \
  34     {                                                           \
  35       for (i = 1; i < len; i++)                                 \
  36         {                                                       \
  37           if ((FLOAT) vec[0] != (FLOAT) vec[i])                 \
  38             {                                                   \
  39               vec[0] = (FLOAT) vec[0] + 0.1;                    \
  40               break;                                            \
  41             }                                                   \
  42         }                                                       \
  43     }                                                           \
  44   while (0)
  45
  46 #define INIT_VEC_LOOP(vec, val, len)                            \
  47   do                                                            \
  48     {                                                           \
  49       for (i = 0; i < len; i++)                                 \
  50         {                                                       \
  51           vec[i] = val;                                         \
  52         }                                                       \
  53     }                                                           \
  54   while (0)
  55
  56 #define WRAPPER_DECL_f(function) extern FLOAT function (FLOAT);
  57 #define WRAPPER_DECL_ff(function) extern FLOAT function (FLOAT, FLOAT);
  58 #define WRAPPER_DECL_fFF(function) extern void function (FLOAT, FLOAT *, FLOAT *);
  59
  60 /* Wrapper from scalar to vector function.  */
  61 #define VECTOR_WRAPPER(scalar_func, vector_func) \
  62 extern VEC_TYPE vector_func (VEC_TYPE);         \
  63 FLOAT scalar_func (FLOAT x)                     \
  64 {                                               \
  65   int i;                                        \
  66   VEC_TYPE mx;                                  \
  67   INIT_VEC_LOOP (mx, x, VEC_LEN);               \
  68   VEC_TYPE mr = vector_func (mx);               \
  69   TEST_VEC_LOOP (mr, VEC_LEN);                  \
  70   return ((FLOAT) mr[0]);                       \
  71 }
  72
  73 /* Wrapper from scalar 2 argument function to vector one.  */
  74 #define VECTOR_WRAPPER_ff(scalar_func, vector_func)     \
  75 extern VEC_TYPE vector_func (VEC_TYPE, VEC_TYPE);       \
  76 FLOAT scalar_func (FLOAT x, FLOAT y)            \
  77 {                                               \
  78   int i;                                        \
  79   VEC_TYPE mx, my;                              \
  80   INIT_VEC_LOOP (mx, x, VEC_LEN);               \
  81   INIT_VEC_LOOP (my, y, VEC_LEN);               \
  82   VEC_TYPE mr = vector_func (mx, my);           \
  83   TEST_VEC_LOOP (mr, VEC_LEN);                  \
  84   return ((FLOAT) mr[0]);                       \
  85 }
  86
  87 /* Wrapper from scalar 3 argument function to vector one.  */
  88 #define VECTOR_WRAPPER_fFF(scalar_func, vector_func)    \
  89 extern void vector_func (VEC_TYPE, VEC_TYPE *, VEC_TYPE *);     \
  90 void scalar_func (FLOAT x, FLOAT * r, FLOAT * r1)               \
  91 {                                               \
  92   int i;                                        \
  93   VEC_TYPE mx, mr, mr1;                         \
  94   INIT_VEC_LOOP (mx, x, VEC_LEN);               \
  95   vector_func (mx, &mr, &mr1);                  \
  96   TEST_VEC_LOOP (mr, VEC_LEN);                  \
  97   TEST_VEC_LOOP (mr1, VEC_LEN);                 \
  98   *r = (FLOAT) mr[0];                           \
  99   *r1 = (FLOAT) mr1[0];                         \
 100   return;                                       \
 101 }