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/* Test complex arithmetic with signed zeros.  Pure complex

   multiplication with -1.0 + 0.0i.  */

/* { dg-do run } */

/* { dg-options "-std=gnu99" { target c } } */

#include "complex-sign.h"

#define CHECK_MUL_INT(TYPE, COPY, ZERO, ZEROI, ONE, S1, S2, SR, SI)     \

  do {                                                                  \

    _Complex TYPE a1, b1, c1;                                           \

    volatile _Complex TYPE a2, b2, c2;                                  \

    a1 = ENCODE(ZERO, ZEROI, S1, S2);                                   \

    CHECK_RES (a1, COPY, S1, S2);                                       \

    b1 = -ONE + ZEROI;                                                  \

    c1 = a1 * b1;                                                       \

    CHECK_RES (c1, COPY, SR, SI);                                       \

    c1 = a1 * (-ONE + ZEROI);                                           \

    CHECK_RES (c1, COPY, SR, SI);                                       \

    a2 = ENCODE(ZERO, ZEROI, S1, S2);                                   \

    CHECK_RES (a2, COPY, S1, S2);                                       \

    b2 = -ONE + ZEROI;                                                  \

    c2 = a2 * b2;                                                       \

    CHECK_RES (c2, COPY, SR, SI);                                       \

    c2 = a2 * (-ONE + ZEROI);                                           \

    CHECK_RES (c2, COPY, SR, SI);                                       \

  } while (0)

#define CHECK_MUL(TYPE, COPY, ZERO, ZEROI, ONE)                 \

  do {                                                          \

    CHECK_MUL_INT (TYPE, COPY, ZERO, ZEROI, ONE, +, +, -, +);   \

    CHECK_MUL_INT (TYPE, COPY, ZERO, ZEROI, ONE, +, -, +, +);   \

    CHECK_MUL_INT (TYPE, COPY, ZERO, ZEROI, ONE, -, +, +, -);   \

    CHECK_MUL_INT (TYPE, COPY, ZERO, ZEROI, ONE, -, -, +, +);   \

  } while (0)

void

check_mul_float (void)

{

#ifndef __SPU__

  CHECK_MUL (float, __builtin_copysignf, 0.0f, 0.0if, 1.0f);

#endif

}

void

check_mul_double (void)

{

  CHECK_MUL (double, __builtin_copysign, 0.0, 0.0i, 1.0);

}

void

check_mul_long_double (void)

{

  CHECK_MUL (long double, __builtin_copysignl, 0.0l, 0.0il, 1.0l);

}

int

main (void)

{

  check_mul_float ();

  check_mul_double ();

  check_mul_long_double ();

  exit (0);

}