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-rw-r--r--include/ruby/assert.h2
-rw-r--r--include/ruby/internal/attr/const.h2
-rw-r--r--include/ruby/internal/attr/constexpr.h2
-rw-r--r--include/ruby/internal/attr/pure.h2
-rw-r--r--lib/mkmf.rb2
-rw-r--r--signal.c2
-rw-r--r--spec/ruby/core/gc/disable_spec.rb2
-rw-r--r--spec/ruby/core/gc/enable_spec.rb2
-rw-r--r--spec/ruby/core/hash/shared/eql.rb2
-rw-r--r--spec/ruby/core/integer/allbits_spec.rb2
-rw-r--r--spec/ruby/core/integer/anybits_spec.rb2
-rw-r--r--spec/ruby/core/integer/nobits_spec.rb2
-rw-r--r--st.c2
-rw-r--r--thread.c2
-rw-r--r--variable.c2
-rw-r--r--vm_trace.c2
-rw-r--r--vsnprintf.c4
17 files changed, 18 insertions, 18 deletions
diff --git a/include/ruby/assert.h b/include/ruby/assert.h
index 9b70d7103e..b0bbdd2c14 100644
--- a/include/ruby/assert.h
+++ b/include/ruby/assert.h
@@ -167,7 +167,7 @@ RBIMPL_SYMBOL_EXPORT_END()
#define RUBY_ASSERT_ALWAYS(expr) RUBY_ASSERT_MESG((expr), #expr)
/**
- * Asserts that the given expression is truthy iff #RUBY_DEBUG is truthy.
+ * Asserts that the given expression is truthy if and only if #RUBY_DEBUG is truthy.
*
* @param expr What supposedly evaluates to true.
*/
diff --git a/include/ruby/internal/attr/const.h b/include/ruby/internal/attr/const.h
index d5b8da0c2d..b1f27e2606 100644
--- a/include/ruby/internal/attr/const.h
+++ b/include/ruby/internal/attr/const.h
@@ -36,7 +36,7 @@
# define RBIMPL_ATTR_CONST() /* void */
#endif
-/** Enables #RBIMPL_ATTR_CONST iff. ! #RUBY_DEBUG. */
+/** Enables #RBIMPL_ATTR_CONST if and only if. ! #RUBY_DEBUG. */
#if !RUBY_DEBUG
# define RBIMPL_ATTR_CONST_UNLESS_DEBUG() RBIMPL_ATTR_CONST()
#else
diff --git a/include/ruby/internal/attr/constexpr.h b/include/ruby/internal/attr/constexpr.h
index 96b010ce6f..dabb72434b 100644
--- a/include/ruby/internal/attr/constexpr.h
+++ b/include/ruby/internal/attr/constexpr.h
@@ -75,7 +75,7 @@
# define RBIMPL_ATTR_CONSTEXPR(_) /* void */
#endif
-/** Enables #RBIMPL_ATTR_CONSTEXPR iff. ! #RUBY_DEBUG. */
+/** Enables #RBIMPL_ATTR_CONSTEXPR if and only if. ! #RUBY_DEBUG. */
#if !RUBY_DEBUG
# define RBIMPL_ATTR_CONSTEXPR_UNLESS_DEBUG(_) RBIMPL_ATTR_CONSTEXPR(_)
#else
diff --git a/include/ruby/internal/attr/pure.h b/include/ruby/internal/attr/pure.h
index 1a10540ef3..4416c25aa0 100644
--- a/include/ruby/internal/attr/pure.h
+++ b/include/ruby/internal/attr/pure.h
@@ -33,7 +33,7 @@
# define RBIMPL_ATTR_PURE() /* void */
#endif
-/** Enables #RBIMPL_ATTR_PURE iff. ! #RUBY_DEBUG. */
+/** Enables #RBIMPL_ATTR_PURE if and only if. ! #RUBY_DEBUG. */
#if !RUBY_DEBUG
# define RBIMPL_ATTR_PURE_UNLESS_DEBUG() RBIMPL_ATTR_PURE()
#else
diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 9d25cc6d93..57f656642d 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -1821,7 +1821,7 @@ SRC
# without modifying any of the global values mentioned above.
def pkg_config(pkg, option=nil)
if pkgconfig = with_config("#{pkg}-config") and find_executable0(pkgconfig)
- # iff package specific config command is given
+ # if and only if package specific config command is given
elsif ($PKGCONFIG ||=
(pkgconfig = with_config("pkg-config", ("pkg-config" unless CROSS_COMPILING))) &&
find_executable0(pkgconfig) && pkgconfig) and
diff --git a/signal.c b/signal.c
index 6eea6aabe2..2ebd1196fa 100644
--- a/signal.c
+++ b/signal.c
@@ -723,7 +723,7 @@ sighandler(int sig)
rb_vm_t *vm = GET_VM();
ATOMIC_EXCHANGE(sigchld_hit, 1);
- /* avoid spurious wakeup in main thread iff nobody uses trap(:CHLD) */
+ /* avoid spurious wakeup in main thread if and only if nobody uses trap(:CHLD) */
if (vm && ACCESS_ONCE(VALUE, vm->trap_list.cmd[sig])) {
signal_enque(sig);
}
diff --git a/spec/ruby/core/gc/disable_spec.rb b/spec/ruby/core/gc/disable_spec.rb
index b0221d8520..f89a9d2768 100644
--- a/spec/ruby/core/gc/disable_spec.rb
+++ b/spec/ruby/core/gc/disable_spec.rb
@@ -5,7 +5,7 @@ describe "GC.disable" do
GC.enable
end
- it "returns true iff the garbage collection was previously disabled" do
+ it "returns true if and only if the garbage collection was previously disabled" do
GC.enable
GC.disable.should == false
GC.disable.should == true
diff --git a/spec/ruby/core/gc/enable_spec.rb b/spec/ruby/core/gc/enable_spec.rb
index eb8d572f46..ca4488547a 100644
--- a/spec/ruby/core/gc/enable_spec.rb
+++ b/spec/ruby/core/gc/enable_spec.rb
@@ -2,7 +2,7 @@ require_relative '../../spec_helper'
describe "GC.enable" do
- it "returns true iff the garbage collection was already disabled" do
+ it "returns true if and only if the garbage collection was already disabled" do
GC.enable
GC.enable.should == false
GC.disable
diff --git a/spec/ruby/core/hash/shared/eql.rb b/spec/ruby/core/hash/shared/eql.rb
index d8c33179fc..e294edd764 100644
--- a/spec/ruby/core/hash/shared/eql.rb
+++ b/spec/ruby/core/hash/shared/eql.rb
@@ -118,7 +118,7 @@ describe :hash_eql_additional, shared: true do
{ 1.0 => "x" }.send(@method, { 1 => "x" }).should be_false
end
- it "returns true iff other Hash has the same number of keys and each key-value pair matches" do
+ it "returns true if and only if other Hash has the same number of keys and each key-value pair matches" do
a = { a: 5 }
b = {}
a.send(@method, b).should be_false
diff --git a/spec/ruby/core/integer/allbits_spec.rb b/spec/ruby/core/integer/allbits_spec.rb
index 11acb52e1f..edce4b15e7 100644
--- a/spec/ruby/core/integer/allbits_spec.rb
+++ b/spec/ruby/core/integer/allbits_spec.rb
@@ -1,7 +1,7 @@
require_relative '../../spec_helper'
describe "Integer#allbits?" do
- it "returns true iff all the bits of the argument are set in the receiver" do
+ it "returns true if and only if all the bits of the argument are set in the receiver" do
42.allbits?(42).should == true
0b1010_1010.allbits?(0b1000_0010).should == true
0b1010_1010.allbits?(0b1000_0001).should == false
diff --git a/spec/ruby/core/integer/anybits_spec.rb b/spec/ruby/core/integer/anybits_spec.rb
index 7e510fd00b..e0449074a2 100644
--- a/spec/ruby/core/integer/anybits_spec.rb
+++ b/spec/ruby/core/integer/anybits_spec.rb
@@ -1,7 +1,7 @@
require_relative '../../spec_helper'
describe "Integer#anybits?" do
- it "returns true iff all the bits of the argument are set in the receiver" do
+ it "returns true if and only if all the bits of the argument are set in the receiver" do
42.anybits?(42).should == true
0b1010_1010.anybits?(0b1000_0010).should == true
0b1010_1010.anybits?(0b1000_0001).should == true
diff --git a/spec/ruby/core/integer/nobits_spec.rb b/spec/ruby/core/integer/nobits_spec.rb
index b132a4a724..685759ffa3 100644
--- a/spec/ruby/core/integer/nobits_spec.rb
+++ b/spec/ruby/core/integer/nobits_spec.rb
@@ -1,7 +1,7 @@
require_relative '../../spec_helper'
describe "Integer#nobits?" do
- it "returns true iff all no bits of the argument are set in the receiver" do
+ it "returns true if and only if all no bits of the argument are set in the receiver" do
42.nobits?(42).should == false
0b1010_1010.nobits?(0b1000_0010).should == false
0b1010_1010.nobits?(0b1000_0001).should == false
diff --git a/st.c b/st.c
index dd7870562e..5b178f6b69 100644
--- a/st.c
+++ b/st.c
@@ -768,7 +768,7 @@ rebuild_table(st_table *tab)
guarantees traversing all table bins in extreme case.
According the Hull-Dobell theorem a generator
- "Xnext = (a*Xprev + c) mod m" is a full cycle generator iff
+ "Xnext = (a*Xprev + c) mod m" is a full cycle generator if and only if
o m and c are relatively prime
o a-1 is divisible by all prime factors of m
o a-1 is divisible by 4 if m is divisible by 4.
diff --git a/thread.c b/thread.c
index 22b77b7f13..dce181d24e 100644
--- a/thread.c
+++ b/thread.c
@@ -5149,7 +5149,7 @@ recursive_list_access(VALUE sym)
}
/*
- * Returns Qtrue iff obj (or the pair <obj, paired_obj>) is already
+ * Returns Qtrue if and only if obj (or the pair <obj, paired_obj>) is already
* in the recursion list.
* Assumes the recursion list is valid.
*/
diff --git a/variable.c b/variable.c
index 74a7f59790..52da16f0df 100644
--- a/variable.c
+++ b/variable.c
@@ -2481,7 +2481,7 @@ rb_autoload_load(VALUE mod, ID id)
/*
* autoload_reset will wake up any threads added to this
- * iff the GVL is released during autoload_require
+ * if and only if the GVL is released during autoload_require
*/
list_head_init((struct list_head *)&state.waitq);
}
diff --git a/vm_trace.c b/vm_trace.c
index 06879812b3..383f255799 100644
--- a/vm_trace.c
+++ b/vm_trace.c
@@ -86,7 +86,7 @@ update_global_event_hook(rb_event_flag_t vm_events)
mjit_call_p = FALSE;
#endif
- /* write all ISeqs iff new events are added */
+ /* write all ISeqs if and only if new events are added */
rb_iseq_trace_set_all(new_iseq_events | enabled_iseq_events);
}
diff --git a/vsnprintf.c b/vsnprintf.c
index 3efef20cd8..90c827f6a0 100644
--- a/vsnprintf.c
+++ b/vsnprintf.c
@@ -161,7 +161,7 @@ struct __sbuf {
* _ub, _up, and _ur are used when ungetc() pushes back more characters
* than fit in the current _bf, or when ungetc() pushes back a character
* that does not match the previous one in _bf. When this happens,
- * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff
+ * _ub._base becomes non-nil (i.e., a stream has ungetc() data if and only if
* _ub._base!=NULL) and _up and _ur save the current values of _p and _r.
*
* NB: see WARNING above before changing the layout of this structure!
@@ -196,7 +196,7 @@ typedef struct __sFILE {
#define __SSTR 0x0200 /* this is an sprintf/snprintf string */
#define __SOPT 0x0400 /* do fseek() optimisation */
#define __SNPT 0x0800 /* do not do fseek() optimisation */
-#define __SOFF 0x1000 /* set iff _offset is in fact correct */
+#define __SOFF 0x1000 /* set if and only if _offset is in fact correct */
#define __SMOD 0x2000 /* true => fgetln modified _p text */