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/* Common header for complex arithmetic sign tests.  */
 
#ifdef __cplusplus
extern "C" {
#endif
extern void abort (void);
extern void exit (int);
#ifdef __cplusplus
}
#endif
 
#define CHECK_RES(VALUE, COPY, SIGN_REAL, SIGN_IMAG)		\
  do {								\
    if ((VALUE) != 0						\
	|| COPY (1.0, __real__ (VALUE)) != SIGN_REAL 1.0	\
	|| COPY (1.0, __imag__ (VALUE)) != SIGN_IMAG 1.0)	\
      abort ();							\
  } while (0)
 
/* This definition is intended to work with or without imaginary
   types, as long as mixed real/complex arithmetic is handled
   correctly.  */
#define ENCODE(ZERO, ZEROI, SA, SB)			\
  (SA 1 == 1						\
   ? SB 1 == 1 ? ZERO + ZEROI : ZERO - ZEROI		\
   : SB 1 == 1 ? -(ZERO - ZEROI) : -(ZERO + ZEROI))
 
#define CHECK_ARITH(TYPE, COPY, ZERO, ZEROI, OP, S1, S2, S3, S4, 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 = ENCODE(ZERO, ZEROI, S3, S4);					\
    CHECK_RES (b1, COPY, S3, S4);					\
    c1 = a1 OP b1;							\
    CHECK_RES (c1, COPY, SR, SI);					\
    a2 = ENCODE(ZERO, ZEROI, S1, S2);					\
    CHECK_RES (a2, COPY, S1, S2);					\
    b2 = ENCODE(ZERO, ZEROI, S3, S4);					\
    CHECK_RES (b2, COPY, S3, S4);					\
    c2 = a2 OP b2;							\
    CHECK_RES (c2, COPY, SR, SI);					\
  } while (0)
 
#define CHECK_ARITH_RC(TYPE, COPY, ZERO, ZEROI, OP, S1, S3, S4, SR, SI) \
  do {									\
    TYPE a1;								\
    _Complex TYPE b1, c1;						\
    volatile TYPE a2;							\
    volatile _Complex TYPE b2, c2;					\
    a1 = S1 ZERO;							\
    b1 = ENCODE(ZERO, ZEROI, S3, S4);					\
    CHECK_RES (b1, COPY, S3, S4);					\
    c1 = a1 OP b1;							\
    CHECK_RES (c1, COPY, SR, SI);					\
    a2 = S1 ZERO;							\
    b2 = ENCODE(ZERO, ZEROI, S3, S4);					\
    CHECK_RES (b2, COPY, S3, S4);					\
    c2 = a2 OP b2;							\
    CHECK_RES (c2, COPY, SR, SI);					\
  } while (0)
 
#define CHECK_ARITH_CR(TYPE, COPY, ZERO, ZEROI, OP, S1, S2, S3, V3, SR, SI) \
  do {									\
    _Complex TYPE a1, c1;						\
    TYPE b1;								\
    volatile _Complex TYPE a2, c2;					\
    volatile TYPE b2;							\
    a1 = ENCODE(ZERO, ZEROI, S1, S2);					\
    CHECK_RES (a1, COPY, S1, S2);					\
    b1 = S3 V3;								\
    c1 = a1 OP b1;							\
    CHECK_RES (c1, COPY, SR, SI);					\
    a2 = ENCODE(ZERO, ZEROI, S1, S2);					\
    CHECK_RES (a2, COPY, S1, S2);					\
    b2 = S3 V3;								\
    c2 = a2 OP b2;							\
    CHECK_RES (c2, COPY, SR, SI);					\
  } while (0)