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Refs #95 cblas: compatibility for compilers without C99 complex number support (e.g. Visual Studio)

This commit is contained in:
Zaheer Chothia 2012-04-22 21:16:03 +02:00 committed by Zhang Xianyi
parent 001c2c322b
commit f93318a6c8
4 changed files with 62 additions and 9 deletions
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2
Makefile.install
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@ -23,7 +23,7 @@ install : lib.grd
@cat config_last.h >> $(OPENBLAS_INCLUDE_DIR)/openblas_config.h
@echo \#define VERSION \" OpenBLAS $(VERSION) \" >> $(OPENBLAS_INCLUDE_DIR)/openblas_config.h
@cat openblas_config_template.h >> $(OPENBLAS_INCLUDE_DIR)/openblas_config.h
@echo \#endif >> $(OPENBLAS_INCLUDE_DIR)/openblas_config.h
@echo \#endif \/\* OPENBLAS_CONFIG_H \*\/ >> $(OPENBLAS_INCLUDE_DIR)/openblas_config.h
@echo Generating f77blas.h in $(OPENBLAS_INCLUDE_DIR)
@echo \#ifndef OPENBLAS_F77BLAS_H > $(OPENBLAS_INCLUDE_DIR)/f77blas.h

16
cblas.h
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@ -22,15 +22,15 @@ double cblas_dsdot (blasint n, float *x, blasint incx, float *y, blasint incy);
float cblas_sdot(blasint n, float *x, blasint incx, float *y, blasint incy);
double cblas_ddot(blasint n, double *x, blasint incx, double *y, blasint incy);
float _Complex cblas_cdotu(blasint n, float *x, blasint incx, float *y, blasint incy);
float _Complex cblas_cdotc(blasint n, float *x, blasint incx, float *y, blasint incy);
double _Complex cblas_zdotu(blasint n, double *x, blasint incx, double *y, blasint incy);
double _Complex cblas_zdotc(blasint n, double *x, blasint incx, double *y, blasint incy);
openblas_complex_float cblas_cdotu(blasint n, float *x, blasint incx, float *y, blasint incy);
openblas_complex_float cblas_cdotc(blasint n, float *x, blasint incx, float *y, blasint incy);
openblas_complex_double cblas_zdotu(blasint n, double *x, blasint incx, double *y, blasint incy);
openblas_complex_double cblas_zdotc(blasint n, double *x, blasint incx, double *y, blasint incy);
void cblas_cdotu_sub(blasint n, float *x, blasint incx, float *y, blasint incy, float _Complex *ret);
void cblas_cdotc_sub(blasint n, float *x, blasint incx, float *y, blasint incy, float _Complex *ret);
void cblas_zdotu_sub(blasint n, double *x, blasint incx, double *y, blasint incy, double _Complex *ret);
void cblas_zdotc_sub(blasint n, double *x, blasint incx, double *y, blasint incy, double _Complex *ret);
void cblas_cdotu_sub(blasint n, float *x, blasint incx, float *y, blasint incy, openblas_complex_float *ret);
void cblas_cdotc_sub(blasint n, float *x, blasint incx, float *y, blasint incy, openblas_complex_float *ret);
void cblas_zdotu_sub(blasint n, double *x, blasint incx, double *y, blasint incy, openblas_complex_double *ret);
void cblas_zdotc_sub(blasint n, double *x, blasint incx, double *y, blasint incy, openblas_complex_double *ret);
float cblas_sasum (blasint n, float *x, blasint incx);
double cblas_dasum (blasint n, double *x, blasint incx);

22
common.h
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@ -374,6 +374,28 @@ typedef int blasint;
#endif
#endif
#ifndef ASSEMBLER
#ifndef NOINCLUDE
/* Inclusion of a standard header file is needed for definition of __STDC_*
predefined macros with some compilers (e.g. GCC 4.7 on Linux). This occurs
as a side effect of including either <features.h> or <stdc-predef.h>. */
#include <stdio.h>
#endif // NOINCLUDE
/* C99 supports complex floating numbers natively, which GCC also offers as an
extension since version 3.0. If neither are available, use a compatible
structure as fallback (see Clause 6.2.5.13 of the C99 standard). */
#if defined(__STDC_IEC_559_COMPLEX__) || __STDC_VERSION__ >= 199901L || __GNUC__ >= 3
#define OPENBLAS_COMPLEX_C99
typedef float _Complex openblas_complex_float;
typedef double _Complex openblas_complex_double;
#else
#define OPENBLAS_COMPLEX_STRUCT
typedef struct { float real, imag; } openblas_complex_float;
typedef struct { double real, imag; } openblas_complex_double;
#endif
#endif // ASSEMBLER
#ifndef IFLUSH
#define IFLUSH
#endif

31
openblas_config_template.h
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@ -39,3 +39,34 @@ typedef int blasint;
#define FLOATRET float
#endif
#endif
/* Inclusion of a standard header file is needed for definition of __STDC_*
predefined macros with some compilers (e.g. GCC 4.7 on Linux). This occurs
as a side effect of including either <features.h> or <stdc-predef.h>. */
#include <stdio.h>
/* C99 supports complex floating numbers natively, which GCC also offers as an
extension since version 3.0. If neither are available, use a compatible
structure as fallback (see Clause 6.2.5.13 of the C99 standard). */
#if defined(__STDC_IEC_559_COMPLEX__) || __STDC_VERSION__ >= 199901L || __GNUC__ >= 3
#define OPENBLAS_COMPLEX_C99
#include <complex.h>
typedef float _Complex openblas_complex_float;
typedef double _Complex openblas_complex_double;
#define openblas_make_complex_float(real, imag) ((real) + ((imag) * _Complex_I))
#define openblas_make_complex_double(real, imag) ((real) + ((imag) * _Complex_I))
#define openblas_complex_float_real(z) (creal(z))
#define openblas_complex_float_imag(z) (cimag(z))
#define openblas_complex_double_real(z) (creal(z))
#define openblas_complex_double_imag(z) (cimag(z))
#else
#define OPENBLAS_COMPLEX_STRUCT
typedef struct { float real, imag; } openblas_complex_float;
typedef struct { double real, imag; } openblas_complex_double;
#define openblas_make_complex_float(real, imag) {(real), (imag)}
#define openblas_make_complex_double(real, imag) {(real), (imag)}
#define openblas_complex_float_real(z) ((z).real)
#define openblas_complex_float_imag(z) ((z).imag)
#define openblas_complex_double_real(z) ((z).real)
#define openblas_complex_double_imag(z) ((z).imag)
#endif