forked from OSchip/llvm-project
87 lines
3.6 KiB
C++
87 lines
3.6 KiB
C++
// RUN: %check_clang_tidy %s bugprone-incorrect-roundings %t
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void b(int x) {}
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void f1() {
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float f;
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double d;
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long double ld;
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int x;
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x = (d + 0.5);
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// CHECK-MESSAGES: [[@LINE-1]]:7: warning: casting (double + 0.5) to integer leads to incorrect rounding; consider using lround (#include <cmath>) instead [bugprone-incorrect-roundings]
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x = (d + 0.5f);
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// CHECK-MESSAGES: [[@LINE-1]]:7: warning: casting (double + 0.5)
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x = (f + 0.5);
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// CHECK-MESSAGES: [[@LINE-1]]:7: warning: casting (double + 0.5)
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x = (f + 0.5f);
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// CHECK-MESSAGES: [[@LINE-1]]:7: warning: casting (double + 0.5)
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x = (0.5 + d);
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// CHECK-MESSAGES: [[@LINE-1]]:7: warning: casting (double + 0.5)
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x = (0.5f + d);
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// CHECK-MESSAGES: [[@LINE-1]]:7: warning: casting (double + 0.5)
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x = (0.5 + ld);
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// CHECK-MESSAGES: [[@LINE-1]]:7: warning: casting (double + 0.5)
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x = (0.5f + ld);
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// CHECK-MESSAGES: [[@LINE-1]]:7: warning: casting (double + 0.5)
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x = (0.5 + f);
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// CHECK-MESSAGES: [[@LINE-1]]:7: warning: casting (double + 0.5)
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x = (0.5f + f);
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// CHECK-MESSAGES: [[@LINE-1]]:7: warning: casting (double + 0.5)
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x = (int)(d + 0.5);
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// CHECK-MESSAGES: [[@LINE-1]]:12: warning: casting (double + 0.5)
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x = (int)(d + 0.5f);
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// CHECK-MESSAGES: [[@LINE-1]]:12: warning: casting (double + 0.5)
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x = (int)(ld + 0.5);
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// CHECK-MESSAGES: [[@LINE-1]]:12: warning: casting (double + 0.5)
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x = (int)(ld + 0.5f);
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// CHECK-MESSAGES: [[@LINE-1]]:12: warning: casting (double + 0.5)
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x = (int)(f + 0.5);
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// CHECK-MESSAGES: [[@LINE-1]]:12: warning: casting (double + 0.5)
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x = (int)(f + 0.5f);
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// CHECK-MESSAGES: [[@LINE-1]]:12: warning: casting (double + 0.5)
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x = (int)(0.5 + d);
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// CHECK-MESSAGES: [[@LINE-1]]:12: warning: casting (double + 0.5)
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x = (int)(0.5f + d);
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// CHECK-MESSAGES: [[@LINE-1]]:12: warning: casting (double + 0.5)
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x = (int)(0.5 + ld);
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// CHECK-MESSAGES: [[@LINE-1]]:12: warning: casting (double + 0.5)
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x = (int)(0.5f + ld);
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// CHECK-MESSAGES: [[@LINE-1]]:12: warning: casting (double + 0.5)
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x = (int)(0.5 + f);
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// CHECK-MESSAGES: [[@LINE-1]]:12: warning: casting (double + 0.5)
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x = (int)(0.5f + f);
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// CHECK-MESSAGES: [[@LINE-1]]:12: warning: casting (double + 0.5)
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x = static_cast<int>(d + 0.5);
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// CHECK-MESSAGES: [[@LINE-1]]:24: warning: casting (double + 0.5)
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x = static_cast<int>(d + 0.5f);
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// CHECK-MESSAGES: [[@LINE-1]]:24: warning: casting (double + 0.5)
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x = static_cast<int>(ld + 0.5);
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// CHECK-MESSAGES: [[@LINE-1]]:24: warning: casting (double + 0.5)
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x = static_cast<int>(ld + 0.5f);
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// CHECK-MESSAGES: [[@LINE-1]]:24: warning: casting (double + 0.5)
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x = static_cast<int>(f + 0.5);
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// CHECK-MESSAGES: [[@LINE-1]]:24: warning: casting (double + 0.5)
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x = static_cast<int>(f + 0.5f);
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// CHECK-MESSAGES: [[@LINE-1]]:24: warning: casting (double + 0.5)
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x = static_cast<int>(0.5 + d);
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// CHECK-MESSAGES: [[@LINE-1]]:24: warning: casting (double + 0.5)
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x = static_cast<int>(0.5f + d);
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// CHECK-MESSAGES: [[@LINE-1]]:24: warning: casting (double + 0.5)
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x = static_cast<int>(0.5 + ld);
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// CHECK-MESSAGES: [[@LINE-1]]:24: warning: casting (double + 0.5)
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x = static_cast<int>(0.5f + ld);
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// CHECK-MESSAGES: [[@LINE-1]]:24: warning: casting (double + 0.5)
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x = static_cast<int>(0.5 + f);
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// CHECK-MESSAGES: [[@LINE-1]]:24: warning: casting (double + 0.5)
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x = static_cast<int>(0.5f + f);
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// CHECK-MESSAGES: [[@LINE-1]]:24: warning: casting (double + 0.5)
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// Don't warn if constant is not 0.5.
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x = (int)(d + 0.6);
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x = (int)(0.6 + d);
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// Don't warn if binary operator is not directly beneath cast.
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x = (int)(1 + (0.5 + f));
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}
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