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Contribution to add optional double precision floating point support. Define BT_USE_DOUBLE_PRECISION for all involved libraries/apps.

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This commit is contained in:
ejcoumans
2006-12-16 05:51:30 +00:00
parent 39f223fd65
commit df9230327c
141 changed files with 1091 additions and 1042 deletions
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33
src/LinearMath/btScalar.h
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@@ -50,14 +50,23 @@ subject to the following restrictions:
#define btAssert assert
#endif
typedef float btScalar;
///older compilers (gcc 3.x) and Sun needs double versions of srqt etc.
///exclude Apple Intel (it's assumed to be a Macbook or newer Intel Dual Core processor)
/// older compilers (gcc 3.x) and Sun needs double version of sqrt etc.
/// exclude Apple Intel (i's assumed to be a Macbook or new Intel Dual Core Processor)
#if defined (__sun) || defined (__sun__) || defined (__sparc) || (defined (__APPLE__) && ! defined (__i386__))
//use slow double float precision operation on those platforms
#ifndef BT_USE_DOUBLE_PRECISION
#define BT_FORCE_DOUBLE_FUNCTIONS
#endif
#endif
#if defined(BT_USE_DOUBLE_PRECISION)
typedef double btScalar;
#else
typedef float btScalar;
#endif
#if defined(BT_USE_DOUBLE_PRECISION) || defined(BT_FORCE_DOUBLE_FUNCTIONS)
SIMD_FORCE_INLINE btScalar btSqrt(btScalar x) { return sqrt(x); }
SIMD_FORCE_INLINE btScalar btFabs(btScalar x) { return fabs(x); }
@@ -90,11 +99,11 @@ SIMD_FORCE_INLINE btScalar btPow(btScalar x,btScalar y) { return powf(x,y); }
#endif
#define SIMD_2_PI 6.283185307179586232f
#define SIMD_PI (SIMD_2_PI * btScalar(0.5f))
#define SIMD_HALF_PI (SIMD_2_PI * btScalar(0.25f))
#define SIMD_RADS_PER_DEG (SIMD_2_PI / btScalar(360.0f))
#define SIMD_DEGS_PER_RAD (btScalar(360.0f) / SIMD_2_PI)
#define SIMD_2_PI btScalar(6.283185307179586232)
#define SIMD_PI (SIMD_2_PI * btScalar(0.5))
#define SIMD_HALF_PI (SIMD_2_PI * btScalar(0.25))
#define SIMD_RADS_PER_DEG (SIMD_2_PI / btScalar(360.0))
#define SIMD_DEGS_PER_RAD (btScalar(360.0) / SIMD_2_PI)
#define SIMD_EPSILON FLT_EPSILON
#define SIMD_INFINITY FLT_MAX
@@ -117,7 +126,7 @@ SIMD_FORCE_INLINE btScalar btAtan2(btScalar x, btScalar y) { return atan2f(x, y)
*/
SIMD_FORCE_INLINE int btIsNegative(btScalar x) {
return x < 0.0f ? 1 : 0;
return x < btScalar(0.0) ? 1 : 0;
}
SIMD_FORCE_INLINE btScalar btRadians(btScalar x) { return x * SIMD_RADS_PER_DEG; }