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Prevent some macro pitfalls (#17956)

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Co-authored-by: espr14 <espr14@users.noreply.github.com>
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espr14 2020-05-12 08:01:16 +02:00 committed by GitHub
parent 181739d0d1
commit ab19a27f63
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1 changed files with 3 additions and 5 deletions
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8
Marlin/src/core/macros.h
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@ -102,7 +102,7 @@
#define SBI32(n,b) (n |= _BV32(b)) #define SBI32(n,b) (n |= _BV32(b))
#define CBI32(n,b) (n &= ~_BV32(b)) #define CBI32(n,b) (n &= ~_BV32(b))
#define cu(x) ((x)*(x)*(x)) #define cu(x) ({__typeof__(x) _x = (x); (_x)*(_x)*(_x);})
#define RADIANS(d) ((d)*float(M_PI)/180.0f) #define RADIANS(d) ((d)*float(M_PI)/180.0f)
#define DEGREES(r) ((r)*180.0f/float(M_PI)) #define DEGREES(r) ((r)*180.0f/float(M_PI))
#define HYPOT2(x,y) (sq(x)+sq(y)) #define HYPOT2(x,y) (sq(x)+sq(y))
@ -110,7 +110,7 @@
#define CIRCLE_AREA(R) (float(M_PI) * sq(float(R))) #define CIRCLE_AREA(R) (float(M_PI) * sq(float(R)))
#define CIRCLE_CIRC(R) (2 * float(M_PI) * float(R)) #define CIRCLE_CIRC(R) (2 * float(M_PI) * float(R))
#define SIGN(a) ((a>0)-(a<0)) #define SIGN(a) ({__typeof__(a) _a = (a); (_a>0)-(_a<0);})
#define IS_POWER_OF_2(x) ((x) && !((x) & ((x) - 1))) #define IS_POWER_OF_2(x) ((x) && !((x) & ((x) - 1)))
// Macros to constrain values // Macros to constrain values
@ -130,8 +130,6 @@
#else #else
// Using GCC extensions, but Travis GCC version does not like it and gives
// "error: statement-expressions are not allowed outside functions nor in template-argument lists"
#define NOLESS(v, n) \ #define NOLESS(v, n) \
do{ \ do{ \
__typeof__(n) _n = (n); \ __typeof__(n) _n = (n); \
@ -269,7 +267,7 @@
#define NEAR(x,y) NEAR_ZERO((x)-(y)) #define NEAR(x,y) NEAR_ZERO((x)-(y))
#define RECIPROCAL(x) (NEAR_ZERO(x) ? 0 : (1 / float(x))) #define RECIPROCAL(x) (NEAR_ZERO(x) ? 0 : (1 / float(x)))
#define FIXFLOAT(f) (f + (f < 0 ? -0.00005f : 0.00005f)) #define FIXFLOAT(f) ({__typeof__(f) _f = (f); _f + (_f < 0 ? -0.00005f : 0.00005f);})
// //
// Maths macros that can be overridden by HAL // Maths macros that can be overridden by HAL